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<?php
/**
* WordPress Query API
*
* The query API attempts to get which part of WordPress the user is on. It
* also provides functionality for getting URL query information.
*
* @link https://codex.wordpress.org/The_Loop More information on The Loop.
*
* @package WordPress
* @subpackage Query
*/
/**
* Retrieve variable in the WP_Query class.
*
* @since 1.5.0
* @since 3.9.0 The `$default` argument was introduced.
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param string $var The variable key to retrieve.
* @param mixed $default Optional. Value to return if the query variable is not set. Default empty.
* @return mixed Contents of the query variable.
*/
function get_query_var( $var, $default = '' ) {
global $wp_query;
return $wp_query->get( $var, $default );
}
/**
* Retrieve the currently-queried object.
*
* Wrapper for WP_Query::get_queried_object().
*
* @since 3.1.0
* @access public
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return object Queried object.
*/
function get_queried_object() {
global $wp_query;
return $wp_query->get_queried_object();
}
/**
* Retrieve ID of the current queried object.
*
* Wrapper for WP_Query::get_queried_object_id().
*
* @since 3.1.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return int ID of the queried object.
*/
function get_queried_object_id() {
global $wp_query;
return $wp_query->get_queried_object_id();
}
/**
* Set query variable.
*
* @since 2.2.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param string $var Query variable key.
* @param mixed $value Query variable value.
*/
function set_query_var( $var, $value ) {
global $wp_query;
$wp_query->set( $var, $value );
}
/**
* Set up The Loop with query parameters.
*
* This will override the current WordPress Loop and shouldn't be used more than
* once. This must not be used within the WordPress Loop.
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param string $query
* @return array List of posts
*/
function query_posts($query) {
$GLOBALS['wp_query'] = new WP_Query();
return $GLOBALS['wp_query']->query($query);
}
/**
* Destroy the previous query and set up a new query.
*
* This should be used after {@link query_posts()} and before another {@link
* query_posts()}. This will remove obscure bugs that occur when the previous
* wp_query object is not destroyed properly before another is set up.
*
* @since 2.3.0
*
* @global WP_Query $wp_query Global WP_Query instance.
* @global WP_Query $wp_the_query Copy of the global WP_Query instance created during wp_reset_query().
*/
function wp_reset_query() {
$GLOBALS['wp_query'] = $GLOBALS['wp_the_query'];
wp_reset_postdata();
}
/**
* After looping through a separate query, this function restores
* the $post global to the current post in the main query.
*
* @since 3.0.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*/
function wp_reset_postdata() {
global $wp_query;
if ( isset( $wp_query ) ) {
$wp_query->reset_postdata();
}
}
/*
* Query type checks.
*/
/**
* Is the query for an existing archive page?
*
* Month, Year, Category, Author, Post Type archive...
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_archive() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_archive();
}
/**
* Is the query for an existing post type archive page?
*
* @since 3.1.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param string|array $post_types Optional. Post type or array of posts types to check against.
* @return bool
*/
function is_post_type_archive( $post_types = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_post_type_archive( $post_types );
}
/**
* Is the query for an existing attachment page?
*
* @since 2.0.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param int|string|array|object $attachment Attachment ID, title, slug, or array of such.
* @return bool
*/
function is_attachment( $attachment = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_attachment( $attachment );
}
/**
* Is the query for an existing author archive page?
*
* If the $author parameter is specified, this function will additionally
* check if the query is for one of the authors specified.
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
* @return bool
*/
function is_author( $author = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_author( $author );
}
/**
* Is the query for an existing category archive page?
*
* If the $category parameter is specified, this function will additionally
* check if the query is for one of the categories specified.
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
* @return bool
*/
function is_category( $category = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_category( $category );
}
/**
* Is the query for an existing tag archive page?
*
* If the $tag parameter is specified, this function will additionally
* check if the query is for one of the tags specified.
*
* @since 2.3.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
* @return bool
*/
function is_tag( $tag = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_tag( $tag );
}
/**
* Is the query for an existing taxonomy archive page?
*
* If the $taxonomy parameter is specified, this function will additionally
* check if the query is for that specific $taxonomy.
*
* If the $term parameter is specified in addition to the $taxonomy parameter,
* this function will additionally check if the query is for one of the terms
* specified.
*
* @since 2.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param string|array $taxonomy Optional. Taxonomy slug or slugs.
* @param int|string|array $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
* @return bool
*/
function is_tax( $taxonomy = '', $term = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_tax( $taxonomy, $term );
}
/**
* Is the query for an existing date archive?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_date() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_date();
}
/**
* Is the query for an existing day archive?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_day() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_day();
}
/**
* Is the query for a feed?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param string|array $feeds Optional feed types to check.
* @return bool
*/
function is_feed( $feeds = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_feed( $feeds );
}
/**
* Is the query for a comments feed?
*
* @since 3.0.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_comment_feed() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_comment_feed();
}
/**
* Is the query for the front page of the site?
*
* This is for what is displayed at your site's main URL.
*
* Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
*
* If you set a static page for the front page of your site, this function will return
* true when viewing that page.
*
* Otherwise the same as @see is_home()
*
* @since 2.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool True, if front of site.
*/
function is_front_page() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_front_page();
}
/**
* Is the query for the blog homepage?
*
* This is the page which shows the time based blog content of your site.
*
* Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
*
* If you set a static page for the front page of your site, this function will return
* true only on the page you set as the "Posts page".
*
* @see is_front_page()
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool True if blog view homepage.
*/
function is_home() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_home();
}
/**
* Is the query for an existing month archive?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_month() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_month();
}
/**
* Is the query for an existing single page?
*
* If the $page parameter is specified, this function will additionally
* check if the query is for one of the pages specified.
*
* @see is_single()
* @see is_singular()
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param int|string|array $page Optional. Page ID, title, slug, or array of such. Default empty.
* @return bool Whether the query is for an existing single page.
*/
function is_page( $page = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_page( $page );
}
/**
* Is the query for paged result and not for the first page?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_paged() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_paged();
}
/**
* Is the query for a post or page preview?
*
* @since 2.0.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_preview() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_preview();
}
/**
* Is the query for the robots file?
*
* @since 2.1.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_robots() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_robots();
}
/**
* Is the query for a search?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_search() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_search();
}
/**
* Is the query for an existing single post?
*
* Works for any post type, except attachments and pages
*
* If the $post parameter is specified, this function will additionally
* check if the query is for one of the Posts specified.
*
* @see is_page()
* @see is_singular()
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param int|string|array $post Optional. Post ID, title, slug, or array of such. Default empty.
* @return bool Whether the query is for an existing single post.
*/
function is_single( $post = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_single( $post );
}
/**
* Is the query for an existing single post of any post type (post, attachment, page, ... )?
*
* If the $post_types parameter is specified, this function will additionally
* check if the query is for one of the Posts Types specified.
*
* @see is_page()
* @see is_single()
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param string|array $post_types Optional. Post type or array of post types. Default empty.
* @return bool Whether the query is for an existing single post of any of the given post types.
*/
function is_singular( $post_types = '' ) {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_singular( $post_types );
}
/**
* Is the query for a specific time?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_time() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_time();
}
/**
* Is the query for a trackback endpoint call?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_trackback() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_trackback();
}
/**
* Is the query for an existing year archive?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_year() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_year();
}
/**
* Is the query a 404 (returns no results)?
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_404() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_404();
}
/**
* Is the query for an embedded post?
*
* @since 4.4.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool Whether we're in an embedded post or not.
*/
function is_embed() {
global $wp_query;
if ( ! isset( $wp_query ) ) {
_doing_it_wrong( __FUNCTION__, __( 'Conditional query tags do not work before the query is run. Before then, they always return false.' ), '3.1' );
return false;
}
return $wp_query->is_embed();
}
/**
* Is the query the main query?
*
* @since 3.3.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function is_main_query() {
if ( 'pre_get_posts' === current_filter() ) {
$message = sprintf(
/* translators: 1: pre_get_posts 2: WP_Query->is_main_query() 3: is_main_query() 4: link to codex is_main_query() page. */
__( 'In %1$s, use the %2$s method, not the %3$s function. See %4$s.' ),
'<code>pre_get_posts</code>',
'<code>WP_Query->is_main_query()</code>',
'<code>is_main_query()</code>',
__( 'https://codex.wordpress.org/Function_Reference/is_main_query' )
);
_doing_it_wrong( __FUNCTION__, $message, '3.7' );
}
global $wp_query;
return $wp_query->is_main_query();
}
/*
* The Loop. Post loop control.
*/
/**
* Whether current WordPress query has results to loop over.
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function have_posts() {
global $wp_query;
return $wp_query->have_posts();
}
/**
* Whether the caller is in the Loop.
*
* @since 2.0.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool True if caller is within loop, false if loop hasn't started or ended.
*/
function in_the_loop() {
global $wp_query;
return $wp_query->in_the_loop;
}
/**
* Rewind the loop posts.
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*/
function rewind_posts() {
global $wp_query;
$wp_query->rewind_posts();
}
/**
* Iterate the post index in the loop.
*
* @since 1.5.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*/
function the_post() {
global $wp_query;
$wp_query->the_post();
}
/*
* Comments loop.
*/
/**
* Whether there are comments to loop over.
*
* @since 2.2.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
function have_comments() {
global $wp_query;
return $wp_query->have_comments();
}
/**
* Iterate comment index in the comment loop.
*
* @since 2.2.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return object
*/
function the_comment() {
global $wp_query;
return $wp_query->the_comment();
}
/*
* WP_Query
*/
/**
* The WordPress Query class.
*
* @link https://codex.wordpress.org/Function_Reference/WP_Query Codex page.
*
* @since 1.5.0
* @since 4.5.0 Removed the `$comments_popup` property.
*/
class WP_Query {
/**
* Query vars set by the user
*
* @since 1.5.0
* @access public
* @var array
*/
public $query;
/**
* Query vars, after parsing
*
* @since 1.5.0
* @access public
* @var array
*/
public $query_vars = array();
/**
* Taxonomy query, as passed to get_tax_sql()
*
* @since 3.1.0
* @access public
* @var object WP_Tax_Query
*/
public $tax_query;
/**
* Metadata query container
*
* @since 3.2.0
* @access public
* @var object WP_Meta_Query
*/
public $meta_query = false;
/**
* Date query container
*
* @since 3.7.0
* @access public
* @var object WP_Date_Query
*/
public $date_query = false;
/**
* Holds the data for a single object that is queried.
*
* Holds the contents of a post, page, category, attachment.
*
* @since 1.5.0
* @access public
* @var object|array
*/
public $queried_object;
/**
* The ID of the queried object.
*
* @since 1.5.0
* @access public
* @var int
*/
public $queried_object_id;
/**
* Get post database query.
*
* @since 2.0.1
* @access public
* @var string
*/
public $request;
/**
* List of posts.
*
* @since 1.5.0
* @access public
* @var array
*/
public $posts;
/**
* The amount of posts for the current query.
*
* @since 1.5.0
* @access public
* @var int
*/
public $post_count = 0;
/**
* Index of the current item in the loop.
*
* @since 1.5.0
* @access public
* @var int
*/
public $current_post = -1;
/**
* Whether the loop has started and the caller is in the loop.
*
* @since 2.0.0
* @access public
* @var bool
*/
public $in_the_loop = false;
/**
* The current post.
*
* @since 1.5.0
* @access public
* @var WP_Post
*/
public $post;
/**
* The list of comments for current post.
*
* @since 2.2.0
* @access public
* @var array
*/
public $comments;
/**
* The amount of comments for the posts.
*
* @since 2.2.0
* @access public
* @var int
*/
public $comment_count = 0;
/**
* The index of the comment in the comment loop.
*
* @since 2.2.0
* @access public
* @var int
*/
public $current_comment = -1;
/**
* Current comment ID.
*
* @since 2.2.0
* @access public
* @var int
*/
public $comment;
/**
* The amount of found posts for the current query.
*
* If limit clause was not used, equals $post_count.
*
* @since 2.1.0
* @access public
* @var int
*/
public $found_posts = 0;
/**
* The amount of pages.
*
* @since 2.1.0
* @access public
* @var int
*/
public $max_num_pages = 0;
/**
* The amount of comment pages.
*
* @since 2.7.0
* @access public
* @var int
*/
public $max_num_comment_pages = 0;
/**
* Set if query is single post.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_single = false;
/**
* Set if query is preview of blog.
*
* @since 2.0.0
* @access public
* @var bool
*/
public $is_preview = false;
/**
* Set if query returns a page.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_page = false;
/**
* Set if query is an archive list.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_archive = false;
/**
* Set if query is part of a date.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_date = false;
/**
* Set if query contains a year.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_year = false;
/**
* Set if query contains a month.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_month = false;
/**
* Set if query contains a day.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_day = false;
/**
* Set if query contains time.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_time = false;
/**
* Set if query contains an author.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_author = false;
/**
* Set if query contains category.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_category = false;
/**
* Set if query contains tag.
*
* @since 2.3.0
* @access public
* @var bool
*/
public $is_tag = false;
/**
* Set if query contains taxonomy.
*
* @since 2.5.0
* @access public
* @var bool
*/
public $is_tax = false;
/**
* Set if query was part of a search result.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_search = false;
/**
* Set if query is feed display.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_feed = false;
/**
* Set if query is comment feed display.
*
* @since 2.2.0
* @access public
* @var bool
*/
public $is_comment_feed = false;
/**
* Set if query is trackback.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_trackback = false;
/**
* Set if query is blog homepage.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_home = false;
/**
* Set if query couldn't found anything.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_404 = false;
/**
* Set if query is embed.
*
* @since 4.4.0
* @access public
* @var bool
*/
public $is_embed = false;
/**
* Set if query is paged
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_paged = false;
/**
* Set if query is part of administration page.
*
* @since 1.5.0
* @access public
* @var bool
*/
public $is_admin = false;
/**
* Set if query is an attachment.
*
* @since 2.0.0
* @access public
* @var bool
*/
public $is_attachment = false;
/**
* Set if is single, is a page, or is an attachment.
*
* @since 2.1.0
* @access public
* @var bool
*/
public $is_singular = false;
/**
* Set if query is for robots.
*
* @since 2.1.0
* @access public
* @var bool
*/
public $is_robots = false;
/**
* Set if query contains posts.
*
* Basically, the homepage if the option isn't set for the static homepage.
*
* @since 2.1.0
* @access public
* @var bool
*/
public $is_posts_page = false;
/**
* Set if query is for a post type archive.
*
* @since 3.1.0
* @access public
* @var bool
*/
public $is_post_type_archive = false;
/**
* Stores the ->query_vars state like md5(serialize( $this->query_vars ) ) so we know
* whether we have to re-parse because something has changed
*
* @since 3.1.0
* @access private
* @var bool|string
*/
private $query_vars_hash = false;
/**
* Whether query vars have changed since the initial parse_query() call. Used to catch modifications to query vars made
* via pre_get_posts hooks.
*
* @since 3.1.1
* @access private
*/
private $query_vars_changed = true;
/**
* Set if post thumbnails are cached
*
* @since 3.2.0
* @access public
* @var bool
*/
public $thumbnails_cached = false;
/**
* Cached list of search stopwords.
*
* @since 3.7.0
* @var array
*/
private $stopwords;
private $compat_fields = array( 'query_vars_hash', 'query_vars_changed' );
private $compat_methods = array( 'init_query_flags', 'parse_tax_query' );
/**
* Resets query flags to false.
*
* The query flags are what page info WordPress was able to figure out.
*
* @since 2.0.0
* @access private
*/
private function init_query_flags() {
$this->is_single = false;
$this->is_preview = false;
$this->is_page = false;
$this->is_archive = false;
$this->is_date = false;
$this->is_year = false;
$this->is_month = false;
$this->is_day = false;
$this->is_time = false;
$this->is_author = false;
$this->is_category = false;
$this->is_tag = false;
$this->is_tax = false;
$this->is_search = false;
$this->is_feed = false;
$this->is_comment_feed = false;
$this->is_trackback = false;
$this->is_home = false;
$this->is_404 = false;
$this->is_paged = false;
$this->is_admin = false;
$this->is_attachment = false;
$this->is_singular = false;
$this->is_robots = false;
$this->is_posts_page = false;
$this->is_post_type_archive = false;
}
/**
* Initiates object properties and sets default values.
*
* @since 1.5.0
* @access public
*/
public function init() {
unset($this->posts);
unset($this->query);
$this->query_vars = array();
unset($this->queried_object);
unset($this->queried_object_id);
$this->post_count = 0;
$this->current_post = -1;
$this->in_the_loop = false;
unset( $this->request );
unset( $this->post );
unset( $this->comments );
unset( $this->comment );
$this->comment_count = 0;
$this->current_comment = -1;
$this->found_posts = 0;
$this->max_num_pages = 0;
$this->max_num_comment_pages = 0;
$this->init_query_flags();
}
/**
* Reparse the query vars.
*
* @since 1.5.0
* @access public
*/
public function parse_query_vars() {
$this->parse_query();
}
/**
* Fills in the query variables, which do not exist within the parameter.
*
* @since 2.1.0
* @since 4.4.0 Removed the `comments_popup` public query variable.
* @access public
*
* @param array $array Defined query variables.
* @return array Complete query variables with undefined ones filled in empty.
*/
public function fill_query_vars($array) {
$keys = array(
'error'
, 'm'
, 'p'
, 'post_parent'
, 'subpost'
, 'subpost_id'
, 'attachment'
, 'attachment_id'
, 'name'
, 'pagename'
, 'page_id'
, 'second'
, 'minute'
, 'hour'
, 'day'
, 'monthnum'
, 'year'
, 'w'
, 'category_name'
, 'tag'
, 'cat'
, 'tag_id'
, 'author'
, 'author_name'
, 'feed'
, 'tb'
, 'paged'
, 'meta_key'
, 'meta_value'
, 'preview'
, 's'
, 'sentence'
, 'title'
, 'fields'
, 'menu_order'
, 'embed'
);
foreach ( $keys as $key ) {
if ( !isset($array[$key]) )
$array[$key] = '';
}
$array_keys = array( 'category__in', 'category__not_in', 'category__and', 'post__in', 'post__not_in', 'post_name__in',
'tag__in', 'tag__not_in', 'tag__and', 'tag_slug__in', 'tag_slug__and', 'post_parent__in', 'post_parent__not_in',
'author__in', 'author__not_in' );
foreach ( $array_keys as $key ) {
if ( !isset($array[$key]) )
$array[$key] = array();
}
return $array;
}
/**
* Parse a query string and set query type booleans.
*
* @since 1.5.0
* @since 4.2.0 Introduced the ability to order by specific clauses of a `$meta_query`, by passing the clause's
* array key to `$orderby`.
* @since 4.4.0 Introduced `$post_name__in` and `$title` parameters. `$s` was updated to support excluded
* search terms, by prepending a hyphen.
* @since 4.5.0 Removed the `$comments_popup` parameter.
* Introduced the `$comment_status` and `$ping_status` parameters.
* Introduced `RAND(x)` syntax for `$orderby`, which allows an integer seed value to random sorts.
* @access public
*
* @param string|array $query {
* Optional. Array or string of Query parameters.
*
* @type int $attachment_id Attachment post ID. Used for 'attachment' post_type.
* @type int|string $author Author ID, or comma-separated list of IDs.
* @type string $author_name User 'user_nicename'.
* @type array $author__in An array of author IDs to query from.
* @type array $author__not_in An array of author IDs not to query from.
* @type bool $cache_results Whether to cache post information. Default true.
* @type int|string $cat Category ID or comma-separated list of IDs (this or any children).
* @type array $category__and An array of category IDs (AND in).
* @type array $category__in An array of category IDs (OR in, no children).
* @type array $category__not_in An array of category IDs (NOT in).
* @type string $category_name Use category slug (not name, this or any children).
* @type string $comment_status Comment status.
* @type int $comments_per_page The number of comments to return per page.
* Default 'comments_per_page' option.
* @type array $date_query An associative array of WP_Date_Query arguments.
* {@see WP_Date_Query::__construct()}
* @type int $day Day of the month. Default empty. Accepts numbers 1-31.
* @type bool $exact Whether to search by exact keyword. Default false.
* @type string|array $fields Which fields to return. Single field or all fields (string),
* or array of fields. 'id=>parent' uses 'id' and 'post_parent'.
* Default all fields. Accepts 'ids', 'id=>parent'.
* @type int $hour Hour of the day. Default empty. Accepts numbers 0-23.
* @type int|bool $ignore_sticky_posts Whether to ignore sticky posts or not. Setting this to false
* excludes stickies from 'post__in'. Accepts 1|true, 0|false.
* Default 0|false.
* @type int $m Combination YearMonth. Accepts any four-digit year and month
* numbers 1-12. Default empty.
* @type string $meta_compare Comparison operator to test the 'meta_value'.
* @type string $meta_key Custom field key.
* @type array $meta_query An associative array of WP_Meta_Query arguments.
* {@see WP_Meta_Query}
* @type string $meta_value Custom field value.
* @type int $meta_value_num Custom field value number.
* @type int $menu_order The menu order of the posts.
* @type int $monthnum The two-digit month. Default empty. Accepts numbers 1-12.
* @type string $name Post slug.
* @type bool $nopaging Show all posts (true) or paginate (false). Default false.
* @type bool $no_found_rows Whether to skip counting the total rows found. Enabling can improve
* performance. Default false.
* @type int $offset The number of posts to offset before retrieval.
* @type string $order Designates ascending or descending order of posts. Default 'DESC'.
* Accepts 'ASC', 'DESC'.
* @type string|array $orderby Sort retrieved posts by parameter. One or more options may be
* passed. To use 'meta_value', or 'meta_value_num',
* 'meta_key=keyname' must be also be defined. To sort by a
* specific `$meta_query` clause, use that clause's array key.
* Default 'date'. Accepts 'none', 'name', 'author', 'date',
* 'title', 'modified', 'menu_order', 'parent', 'ID', 'rand',
* 'RAND(x)' (where 'x' is an integer seed value),
* 'comment_count', 'meta_value', 'meta_value_num', 'post__in',
* and the array keys of `$meta_query`.
* @type int $p Post ID.
* @type int $page Show the number of posts that would show up on page X of a
* static front page.
* @type int $paged The number of the current page.
* @type int $page_id Page ID.
* @type string $pagename Page slug.
* @type string $perm Show posts if user has the appropriate capability.
* @type string $ping_status Ping status.
* @type array $post__in An array of post IDs to retrieve, sticky posts will be included
* @type string $post_mime_type The mime type of the post. Used for 'attachment' post_type.
* @type array $post__not_in An array of post IDs not to retrieve. Note: a string of comma-
* separated IDs will NOT work.
* @type int $post_parent Page ID to retrieve child pages for. Use 0 to only retrieve
* top-level pages.
* @type array $post_parent__in An array containing parent page IDs to query child pages from.
* @type array $post_parent__not_in An array containing parent page IDs not to query child pages from.
* @type string|array $post_type A post type slug (string) or array of post type slugs.
* Default 'any' if using 'tax_query'.
* @type string|array $post_status A post status (string) or array of post statuses.
* @type int $posts_per_page The number of posts to query for. Use -1 to request all posts.
* @type int $posts_per_archive_page The number of posts to query for by archive page. Overrides
* 'posts_per_page' when is_archive(), or is_search() are true.
* @type array $post_name__in An array of post slugs that results must match.
* @type string $s Search keyword(s). Prepending a term with a hyphen will
* exclude posts matching that term. Eg, 'pillow -sofa' will
* return posts containing 'pillow' but not 'sofa'.
* @type int $second Second of the minute. Default empty. Accepts numbers 0-60.
* @type bool $sentence Whether to search by phrase. Default false.
* @type bool $suppress_filters Whether to suppress filters. Default false.
* @type string $tag Tag slug. Comma-separated (either), Plus-separated (all).
* @type array $tag__and An array of tag ids (AND in).
* @type array $tag__in An array of tag ids (OR in).
* @type array $tag__not_in An array of tag ids (NOT in).
* @type int $tag_id Tag id or comma-separated list of IDs.
* @type array $tag_slug__and An array of tag slugs (AND in).
* @type array $tag_slug__in An array of tag slugs (OR in). unless 'ignore_sticky_posts' is
* true. Note: a string of comma-separated IDs will NOT work.
* @type array $tax_query An associative array of WP_Tax_Query arguments.
* {@see WP_Tax_Query->queries}
* @type string $title Post title.
* @type bool $update_post_meta_cache Whether to update the post meta cache. Default true.
* @type bool $update_post_term_cache Whether to update the post term cache. Default true.
* @type int $w The week number of the year. Default empty. Accepts numbers 0-53.
* @type int $year The four-digit year. Default empty. Accepts any four-digit year.
* }
*/
public function parse_query( $query = '' ) {
if ( ! empty( $query ) ) {
$this->init();
$this->query = $this->query_vars = wp_parse_args( $query );
} elseif ( ! isset( $this->query ) ) {
$this->query = $this->query_vars;
}
$this->query_vars = $this->fill_query_vars($this->query_vars);
$qv = &$this->query_vars;
$this->query_vars_changed = true;
if ( ! empty($qv['robots']) )
$this->is_robots = true;
$qv['p'] = absint($qv['p']);
$qv['page_id'] = absint($qv['page_id']);
$qv['year'] = absint($qv['year']);
$qv['monthnum'] = absint($qv['monthnum']);
$qv['day'] = absint($qv['day']);
$qv['w'] = absint($qv['w']);
$qv['m'] = preg_replace( '|[^0-9]|', '', $qv['m'] );
$qv['paged'] = absint($qv['paged']);
$qv['cat'] = preg_replace( '|[^0-9,-]|', '', $qv['cat'] ); // comma separated list of positive or negative integers
$qv['author'] = preg_replace( '|[^0-9,-]|', '', $qv['author'] ); // comma separated list of positive or negative integers
$qv['pagename'] = trim( $qv['pagename'] );
$qv['name'] = trim( $qv['name'] );
$qv['title'] = trim( $qv['title'] );
if ( '' !== $qv['hour'] ) $qv['hour'] = absint($qv['hour']);
if ( '' !== $qv['minute'] ) $qv['minute'] = absint($qv['minute']);
if ( '' !== $qv['second'] ) $qv['second'] = absint($qv['second']);
if ( '' !== $qv['menu_order'] ) $qv['menu_order'] = absint($qv['menu_order']);
// Fairly insane upper bound for search string lengths.
if ( ! is_scalar( $qv['s'] ) || ( ! empty( $qv['s'] ) && strlen( $qv['s'] ) > 1600 ) ) {
$qv['s'] = '';
}
// Compat. Map subpost to attachment.
if ( '' != $qv['subpost'] )
$qv['attachment'] = $qv['subpost'];
if ( '' != $qv['subpost_id'] )
$qv['attachment_id'] = $qv['subpost_id'];
$qv['attachment_id'] = absint($qv['attachment_id']);
if ( ('' != $qv['attachment']) || !empty($qv['attachment_id']) ) {
$this->is_single = true;
$this->is_attachment = true;
} elseif ( '' != $qv['name'] ) {
$this->is_single = true;
} elseif ( $qv['p'] ) {
$this->is_single = true;
} elseif ( '' != $qv['pagename'] || !empty($qv['page_id']) ) {
$this->is_page = true;
$this->is_single = false;
} else {
// Look for archive queries. Dates, categories, authors, search, post type archives.
if ( isset( $this->query['s'] ) ) {
$this->is_search = true;
}
if ( '' !== $qv['second'] ) {
$this->is_time = true;
$this->is_date = true;
}
if ( '' !== $qv['minute'] ) {
$this->is_time = true;
$this->is_date = true;
}
if ( '' !== $qv['hour'] ) {
$this->is_time = true;
$this->is_date = true;
}
if ( $qv['day'] ) {
if ( ! $this->is_date ) {
$date = sprintf( '%04d-%02d-%02d', $qv['year'], $qv['monthnum'], $qv['day'] );
if ( $qv['monthnum'] && $qv['year'] && ! wp_checkdate( $qv['monthnum'], $qv['day'], $qv['year'], $date ) ) {
$qv['error'] = '404';
} else {
$this->is_day = true;
$this->is_date = true;
}
}
}
if ( $qv['monthnum'] ) {
if ( ! $this->is_date ) {
if ( 12 < $qv['monthnum'] ) {
$qv['error'] = '404';
} else {
$this->is_month = true;
$this->is_date = true;
}
}
}
if ( $qv['year'] ) {
if ( ! $this->is_date ) {
$this->is_year = true;
$this->is_date = true;
}
}
if ( $qv['m'] ) {
$this->is_date = true;
if ( strlen($qv['m']) > 9 ) {
$this->is_time = true;
} elseif ( strlen( $qv['m'] ) > 7 ) {
$this->is_day = true;
} elseif ( strlen( $qv['m'] ) > 5 ) {
$this->is_month = true;
} else {
$this->is_year = true;
}
}
if ( '' != $qv['w'] ) {
$this->is_date = true;
}
$this->query_vars_hash = false;
$this->parse_tax_query( $qv );
foreach ( $this->tax_query->queries as $tax_query ) {
if ( ! is_array( $tax_query ) ) {
continue;
}
if ( isset( $tax_query['operator'] ) && 'NOT IN' != $tax_query['operator'] ) {
switch ( $tax_query['taxonomy'] ) {
case 'category':
$this->is_category = true;
break;
case 'post_tag':
$this->is_tag = true;
break;
default:
$this->is_tax = true;
}
}
}
unset( $tax_query );
if ( empty($qv['author']) || ($qv['author'] == '0') ) {
$this->is_author = false;
} else {
$this->is_author = true;
}
if ( '' != $qv['author_name'] )
$this->is_author = true;
if ( !empty( $qv['post_type'] ) && ! is_array( $qv['post_type'] ) ) {
$post_type_obj = get_post_type_object( $qv['post_type'] );
if ( ! empty( $post_type_obj->has_archive ) )
$this->is_post_type_archive = true;
}
if ( $this->is_post_type_archive || $this->is_date || $this->is_author || $this->is_category || $this->is_tag || $this->is_tax )
$this->is_archive = true;
}
if ( '' != $qv['feed'] )
$this->is_feed = true;
if ( '' != $qv['embed'] ) {
$this->is_embed = true;
}
if ( '' != $qv['tb'] )
$this->is_trackback = true;
if ( '' != $qv['paged'] && ( intval($qv['paged']) > 1 ) )
$this->is_paged = true;
// if we're previewing inside the write screen
if ( '' != $qv['preview'] )
$this->is_preview = true;
if ( is_admin() )
$this->is_admin = true;
if ( false !== strpos($qv['feed'], 'comments-') ) {
$qv['feed'] = str_replace('comments-', '', $qv['feed']);
$qv['withcomments'] = 1;
}
$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
if ( $this->is_feed && ( !empty($qv['withcomments']) || ( empty($qv['withoutcomments']) && $this->is_singular ) ) )
$this->is_comment_feed = true;
if ( !( $this->is_singular || $this->is_archive || $this->is_search || $this->is_feed || ( defined( 'REST_REQUEST' ) && REST_REQUEST ) || $this->is_trackback || $this->is_404 || $this->is_admin || $this->is_robots ) )
$this->is_home = true;
// Correct is_* for page_on_front and page_for_posts
if ( $this->is_home && 'page' == get_option('show_on_front') && get_option('page_on_front') ) {
$_query = wp_parse_args($this->query);
// pagename can be set and empty depending on matched rewrite rules. Ignore an empty pagename.
if ( isset($_query['pagename']) && '' == $_query['pagename'] )
unset($_query['pagename']);
unset( $_query['embed'] );
if ( empty($_query) || !array_diff( array_keys($_query), array('preview', 'page', 'paged', 'cpage') ) ) {
$this->is_page = true;
$this->is_home = false;
$qv['page_id'] = get_option('page_on_front');
// Correct <!--nextpage--> for page_on_front
if ( !empty($qv['paged']) ) {
$qv['page'] = $qv['paged'];
unset($qv['paged']);
}
}
}
if ( '' != $qv['pagename'] ) {
$this->queried_object = get_page_by_path( $qv['pagename'] );
if ( $this->queried_object && 'attachment' == $this->queried_object->post_type ) {
if ( preg_match( "/^[^%]*%(?:postname)%/", get_option( 'permalink_structure' ) ) ) {
// See if we also have a post with the same slug
$post = get_page_by_path( $qv['pagename'], OBJECT, 'post' );
if ( $post ) {
$this->queried_object = $post;
$this->is_page = false;
$this->is_single = true;
}
}
}
if ( ! empty( $this->queried_object ) ) {
$this->queried_object_id = (int) $this->queried_object->ID;
} else {
unset( $this->queried_object );
}
if ( 'page' == get_option('show_on_front') && isset($this->queried_object_id) && $this->queried_object_id == get_option('page_for_posts') ) {
$this->is_page = false;
$this->is_home = true;
$this->is_posts_page = true;
}
}
if ( $qv['page_id'] ) {
if ( 'page' == get_option('show_on_front') && $qv['page_id'] == get_option('page_for_posts') ) {
$this->is_page = false;
$this->is_home = true;
$this->is_posts_page = true;
}
}
if ( !empty($qv['post_type']) ) {
if ( is_array($qv['post_type']) )
$qv['post_type'] = array_map('sanitize_key', $qv['post_type']);
else
$qv['post_type'] = sanitize_key($qv['post_type']);
}
if ( ! empty( $qv['post_status'] ) ) {
if ( is_array( $qv['post_status'] ) )
$qv['post_status'] = array_map('sanitize_key', $qv['post_status']);
else
$qv['post_status'] = preg_replace('|[^a-z0-9_,-]|', '', $qv['post_status']);
}
if ( $this->is_posts_page && ( ! isset($qv['withcomments']) || ! $qv['withcomments'] ) )
$this->is_comment_feed = false;
$this->is_singular = $this->is_single || $this->is_page || $this->is_attachment;
// Done correcting is_* for page_on_front and page_for_posts
if ( '404' == $qv['error'] )
$this->set_404();
$this->is_embed = $this->is_embed && ( $this->is_singular || $this->is_404 );
$this->query_vars_hash = md5( serialize( $this->query_vars ) );
$this->query_vars_changed = false;
/**
* Fires after the main query vars have been parsed.
*
* @since 1.5.0
*
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
do_action_ref_array( 'parse_query', array( &$this ) );
}
/**
* Parses various taxonomy related query vars.
*
* For BC, this method is not marked as protected. See [28987].
*
* @access protected
* @since 3.1.0
*
* @param array $q The query variables. Passed by reference.
*/
public function parse_tax_query( &$q ) {
if ( ! empty( $q['tax_query'] ) && is_array( $q['tax_query'] ) ) {
$tax_query = $q['tax_query'];
} else {
$tax_query = array();
}
if ( !empty($q['taxonomy']) && !empty($q['term']) ) {
$tax_query[] = array(
'taxonomy' => $q['taxonomy'],
'terms' => array( $q['term'] ),
'field' => 'slug',
);
}
foreach ( get_taxonomies( array() , 'objects' ) as $taxonomy => $t ) {
if ( 'post_tag' == $taxonomy )
continue; // Handled further down in the $q['tag'] block
if ( $t->query_var && !empty( $q[$t->query_var] ) ) {
$tax_query_defaults = array(
'taxonomy' => $taxonomy,
'field' => 'slug',
);
if ( isset( $t->rewrite['hierarchical'] ) && $t->rewrite['hierarchical'] ) {
$q[$t->query_var] = wp_basename( $q[$t->query_var] );
}
$term = $q[$t->query_var];
if ( is_array( $term ) ) {
$term = implode( ',', $term );
}
if ( strpos($term, '+') !== false ) {
$terms = preg_split( '/[+]+/', $term );
foreach ( $terms as $term ) {
$tax_query[] = array_merge( $tax_query_defaults, array(
'terms' => array( $term )
) );
}
} else {
$tax_query[] = array_merge( $tax_query_defaults, array(
'terms' => preg_split( '/[,]+/', $term )
) );
}
}
}
// If querystring 'cat' is an array, implode it.
if ( is_array( $q['cat'] ) ) {
$q['cat'] = implode( ',', $q['cat'] );
}
// Category stuff
if ( ! empty( $q['cat'] ) && ! $this->is_singular ) {
$cat_in = $cat_not_in = array();
$cat_array = preg_split( '/[,\s]+/', urldecode( $q['cat'] ) );
$cat_array = array_map( 'intval', $cat_array );
$q['cat'] = implode( ',', $cat_array );
foreach ( $cat_array as $cat ) {
if ( $cat > 0 )
$cat_in[] = $cat;
elseif ( $cat < 0 )
$cat_not_in[] = abs( $cat );
}
if ( ! empty( $cat_in ) ) {
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $cat_in,
'field' => 'term_id',
'include_children' => true
);
}
if ( ! empty( $cat_not_in ) ) {
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $cat_not_in,
'field' => 'term_id',
'operator' => 'NOT IN',
'include_children' => true
);
}
unset( $cat_array, $cat_in, $cat_not_in );
}
if ( ! empty( $q['category__and'] ) && 1 === count( (array) $q['category__and'] ) ) {
$q['category__and'] = (array) $q['category__and'];
if ( ! isset( $q['category__in'] ) )
$q['category__in'] = array();
$q['category__in'][] = absint( reset( $q['category__and'] ) );
unset( $q['category__and'] );
}
if ( ! empty( $q['category__in'] ) ) {
$q['category__in'] = array_map( 'absint', array_unique( (array) $q['category__in'] ) );
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $q['category__in'],
'field' => 'term_id',
'include_children' => false
);
}
if ( ! empty($q['category__not_in']) ) {
$q['category__not_in'] = array_map( 'absint', array_unique( (array) $q['category__not_in'] ) );
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $q['category__not_in'],
'operator' => 'NOT IN',
'include_children' => false
);
}
if ( ! empty($q['category__and']) ) {
$q['category__and'] = array_map( 'absint', array_unique( (array) $q['category__and'] ) );
$tax_query[] = array(
'taxonomy' => 'category',
'terms' => $q['category__and'],
'field' => 'term_id',
'operator' => 'AND',
'include_children' => false
);
}
// If querystring 'tag' is array, implode it.
if ( is_array( $q['tag'] ) ) {
$q['tag'] = implode( ',', $q['tag'] );
}
// Tag stuff
if ( '' != $q['tag'] && !$this->is_singular && $this->query_vars_changed ) {
if ( strpos($q['tag'], ',') !== false ) {
$tags = preg_split('/[,\r\n\t ]+/', $q['tag']);
foreach ( (array) $tags as $tag ) {
$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
$q['tag_slug__in'][] = $tag;
}
} elseif ( preg_match('/[+\r\n\t ]+/', $q['tag'] ) || ! empty( $q['cat'] ) ) {
$tags = preg_split('/[+\r\n\t ]+/', $q['tag']);
foreach ( (array) $tags as $tag ) {
$tag = sanitize_term_field('slug', $tag, 0, 'post_tag', 'db');
$q['tag_slug__and'][] = $tag;
}
} else {
$q['tag'] = sanitize_term_field('slug', $q['tag'], 0, 'post_tag', 'db');
$q['tag_slug__in'][] = $q['tag'];
}
}
if ( !empty($q['tag_id']) ) {
$q['tag_id'] = absint( $q['tag_id'] );
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => $q['tag_id']
);
}
if ( !empty($q['tag__in']) ) {
$q['tag__in'] = array_map('absint', array_unique( (array) $q['tag__in'] ) );
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => $q['tag__in']
);
}
if ( !empty($q['tag__not_in']) ) {
$q['tag__not_in'] = array_map('absint', array_unique( (array) $q['tag__not_in'] ) );
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => $q['tag__not_in'],
'operator' => 'NOT IN'
);
}
if ( !empty($q['tag__and']) ) {
$q['tag__and'] = array_map('absint', array_unique( (array) $q['tag__and'] ) );
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => $q['tag__and'],
'operator' => 'AND'
);
}
if ( !empty($q['tag_slug__in']) ) {
$q['tag_slug__in'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__in'] ) );
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => $q['tag_slug__in'],
'field' => 'slug'
);
}
if ( !empty($q['tag_slug__and']) ) {
$q['tag_slug__and'] = array_map('sanitize_title_for_query', array_unique( (array) $q['tag_slug__and'] ) );
$tax_query[] = array(
'taxonomy' => 'post_tag',
'terms' => $q['tag_slug__and'],
'field' => 'slug',
'operator' => 'AND'
);
}
$this->tax_query = new WP_Tax_Query( $tax_query );
/**
* Fires after taxonomy-related query vars have been parsed.
*
* @since 3.7.0
*
* @param WP_Query $this The WP_Query instance.
*/
do_action( 'parse_tax_query', $this );
}
/**
* Generate SQL for the WHERE clause based on passed search terms.
*
* @since 3.7.0
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $q Query variables.
* @return string WHERE clause.
*/
protected function parse_search( &$q ) {
global $wpdb;
$search = '';
// added slashes screw with quote grouping when done early, so done later
$q['s'] = stripslashes( $q['s'] );
if ( empty( $_GET['s'] ) && $this->is_main_query() )
$q['s'] = urldecode( $q['s'] );
// there are no line breaks in <input /> fields
$q['s'] = str_replace( array( "\r", "\n" ), '', $q['s'] );
$q['search_terms_count'] = 1;
if ( ! empty( $q['sentence'] ) ) {
$q['search_terms'] = array( $q['s'] );
} else {
if ( preg_match_all( '/".*?("|$)|((?<=[\t ",+])|^)[^\t ",+]+/', $q['s'], $matches ) ) {
$q['search_terms_count'] = count( $matches[0] );
$q['search_terms'] = $this->parse_search_terms( $matches[0] );
// if the search string has only short terms or stopwords, or is 10+ terms long, match it as sentence
if ( empty( $q['search_terms'] ) || count( $q['search_terms'] ) > 9 )
$q['search_terms'] = array( $q['s'] );
} else {
$q['search_terms'] = array( $q['s'] );
}
}
$n = ! empty( $q['exact'] ) ? '' : '%';
$searchand = '';
$q['search_orderby_title'] = array();
foreach ( $q['search_terms'] as $term ) {
// Terms prefixed with '-' should be excluded.
$include = '-' !== substr( $term, 0, 1 );
if ( $include ) {
$like_op = 'LIKE';
$andor_op = 'OR';
} else {
$like_op = 'NOT LIKE';
$andor_op = 'AND';
$term = substr( $term, 1 );
}
if ( $n && $include ) {
$like = '%' . $wpdb->esc_like( $term ) . '%';
$q['search_orderby_title'][] = $wpdb->prepare( "$wpdb->posts.post_title LIKE %s", $like );
}
$like = $n . $wpdb->esc_like( $term ) . $n;
$search .= $wpdb->prepare( "{$searchand}(($wpdb->posts.post_title $like_op %s) $andor_op ($wpdb->posts.post_excerpt $like_op %s) $andor_op ($wpdb->posts.post_content $like_op %s))", $like, $like, $like );
$searchand = ' AND ';
}
if ( ! empty( $search ) ) {
$search = " AND ({$search}) ";
if ( ! is_user_logged_in() )
$search .= " AND ($wpdb->posts.post_password = '') ";
}
return $search;
}
/**
* Check if the terms are suitable for searching.
*
* Uses an array of stopwords (terms) that are excluded from the separate
* term matching when searching for posts. The list of English stopwords is
* the approximate search engines list, and is translatable.
*
* @since 3.7.0
*
* @param array $terms Terms to check.
* @return array Terms that are not stopwords.
*/
protected function parse_search_terms( $terms ) {
$strtolower = function_exists( 'mb_strtolower' ) ? 'mb_strtolower' : 'strtolower';
$checked = array();
$stopwords = $this->get_search_stopwords();
foreach ( $terms as $term ) {
// keep before/after spaces when term is for exact match
if ( preg_match( '/^".+"$/', $term ) )
$term = trim( $term, "\"'" );
else
$term = trim( $term, "\"' " );
// Avoid single A-Z and single dashes.
if ( ! $term || ( 1 === strlen( $term ) && preg_match( '/^[a-z\-]$/i', $term ) ) )
continue;
if ( in_array( call_user_func( $strtolower, $term ), $stopwords, true ) )
continue;
$checked[] = $term;
}
return $checked;
}
/**
* Retrieve stopwords used when parsing search terms.
*
* @since 3.7.0
*
* @return array Stopwords.
*/
protected function get_search_stopwords() {
if ( isset( $this->stopwords ) )
return $this->stopwords;
/* translators: This is a comma-separated list of very common words that should be excluded from a search,
* like a, an, and the. These are usually called "stopwords". You should not simply translate these individual
* words into your language. Instead, look for and provide commonly accepted stopwords in your language.
*/
$words = explode( ',', _x( 'about,an,are,as,at,be,by,com,for,from,how,in,is,it,of,on,or,that,the,this,to,was,what,when,where,who,will,with,www',
'Comma-separated list of search stopwords in your language' ) );
$stopwords = array();
foreach ( $words as $word ) {
$word = trim( $word, "\r\n\t " );
if ( $word )
$stopwords[] = $word;
}
/**
* Filter stopwords used when parsing search terms.
*
* @since 3.7.0
*
* @param array $stopwords Stopwords.
*/
$this->stopwords = apply_filters( 'wp_search_stopwords', $stopwords );
return $this->stopwords;
}
/**
* Generate SQL for the ORDER BY condition based on passed search terms.
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $q Query variables.
* @return string ORDER BY clause.
*/
protected function parse_search_order( &$q ) {
global $wpdb;
if ( $q['search_terms_count'] > 1 ) {
$num_terms = count( $q['search_orderby_title'] );
// If the search terms contain negative queries, don't bother ordering by sentence matches.
$like = '';
if ( ! preg_match( '/(?:\s|^)\-/', $q['s'] ) ) {
$like = '%' . $wpdb->esc_like( $q['s'] ) . '%';
}
$search_orderby = '';
// sentence match in 'post_title'
if ( $like ) {
$search_orderby .= $wpdb->prepare( "WHEN $wpdb->posts.post_title LIKE %s THEN 1 ", $like );
}
// sanity limit, sort as sentence when more than 6 terms
// (few searches are longer than 6 terms and most titles are not)
if ( $num_terms < 7 ) {
// all words in title
$search_orderby .= 'WHEN ' . implode( ' AND ', $q['search_orderby_title'] ) . ' THEN 2 ';
// any word in title, not needed when $num_terms == 1
if ( $num_terms > 1 )
$search_orderby .= 'WHEN ' . implode( ' OR ', $q['search_orderby_title'] ) . ' THEN 3 ';
}
// Sentence match in 'post_content' and 'post_excerpt'.
if ( $like ) {
$search_orderby .= $wpdb->prepare( "WHEN $wpdb->posts.post_excerpt LIKE %s THEN 4 ", $like );
$search_orderby .= $wpdb->prepare( "WHEN $wpdb->posts.post_content LIKE %s THEN 5 ", $like );
}
if ( $search_orderby ) {
$search_orderby = '(CASE ' . $search_orderby . 'ELSE 6 END)';
}
} else {
// single word or sentence search
$search_orderby = reset( $q['search_orderby_title'] ) . ' DESC';
}
return $search_orderby;
}
/**
* If the passed orderby value is allowed, convert the alias to a
* properly-prefixed orderby value.
*
* @since 4.0.0
* @access protected
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param string $orderby Alias for the field to order by.
* @return string|false Table-prefixed value to used in the ORDER clause. False otherwise.
*/
protected function parse_orderby( $orderby ) {
global $wpdb;
// Used to filter values.
$allowed_keys = array(
'post_name', 'post_author', 'post_date', 'post_title', 'post_modified',
'post_parent', 'post_type', 'name', 'author', 'date', 'title', 'modified',
'parent', 'type', 'ID', 'menu_order', 'comment_count', 'rand',
);
$primary_meta_key = '';
$primary_meta_query = false;
$meta_clauses = $this->meta_query->get_clauses();
if ( ! empty( $meta_clauses ) ) {
$primary_meta_query = reset( $meta_clauses );
if ( ! empty( $primary_meta_query['key'] ) ) {
$primary_meta_key = $primary_meta_query['key'];
$allowed_keys[] = $primary_meta_key;
}
$allowed_keys[] = 'meta_value';
$allowed_keys[] = 'meta_value_num';
$allowed_keys = array_merge( $allowed_keys, array_keys( $meta_clauses ) );
}
// If RAND() contains a seed value, sanitize and add to allowed keys.
$rand_with_seed = false;
if ( preg_match( '/RAND\(([0-9]+)\)/i', $orderby, $matches ) ) {
$orderby = sprintf( 'RAND(%s)', intval( $matches[1] ) );
$allowed_keys[] = $orderby;
$rand_with_seed = true;
}
if ( ! in_array( $orderby, $allowed_keys, true ) ) {
return false;
}
switch ( $orderby ) {
case 'post_name':
case 'post_author':
case 'post_date':
case 'post_title':
case 'post_modified':
case 'post_parent':
case 'post_type':
case 'ID':
case 'menu_order':
case 'comment_count':
$orderby_clause = "$wpdb->posts.{$orderby}";
break;
case 'rand':
$orderby_clause = 'RAND()';
break;
case $primary_meta_key:
case 'meta_value':
if ( ! empty( $primary_meta_query['type'] ) ) {
$orderby_clause = "CAST({$primary_meta_query['alias']}.meta_value AS {$primary_meta_query['cast']})";
} else {
$orderby_clause = "{$primary_meta_query['alias']}.meta_value";
}
break;
case 'meta_value_num':
$orderby_clause = "{$primary_meta_query['alias']}.meta_value+0";
break;
default:
if ( array_key_exists( $orderby, $meta_clauses ) ) {
// $orderby corresponds to a meta_query clause.
$meta_clause = $meta_clauses[ $orderby ];
$orderby_clause = "CAST({$meta_clause['alias']}.meta_value AS {$meta_clause['cast']})";
} elseif ( $rand_with_seed ) {
$orderby_clause = $orderby;
} else {
// Default: order by post field.
$orderby_clause = "$wpdb->posts.post_" . sanitize_key( $orderby );
}
break;
}
return $orderby_clause;
}
/**
* Parse an 'order' query variable and cast it to ASC or DESC as necessary.
*
* @since 4.0.0
* @access protected
*
* @param string $order The 'order' query variable.
* @return string The sanitized 'order' query variable.
*/
protected function parse_order( $order ) {
if ( ! is_string( $order ) || empty( $order ) ) {
return 'DESC';
}
if ( 'ASC' === strtoupper( $order ) ) {
return 'ASC';
} else {
return 'DESC';
}
}
/**
* Sets the 404 property and saves whether query is feed.
*
* @since 2.0.0
* @access public
*/
public function set_404() {
$is_feed = $this->is_feed;
$this->init_query_flags();
$this->is_404 = true;
$this->is_feed = $is_feed;
}
/**
* Retrieve query variable.
*
* @since 1.5.0
* @since 3.9.0 The `$default` argument was introduced.
*
* @access public
*
* @param string $query_var Query variable key.
* @param mixed $default Optional. Value to return if the query variable is not set. Default empty.
* @return mixed Contents of the query variable.
*/
public function get( $query_var, $default = '' ) {
if ( isset( $this->query_vars[ $query_var ] ) ) {
return $this->query_vars[ $query_var ];
}
return $default;
}
/**
* Set query variable.
*
* @since 1.5.0
* @access public
*
* @param string $query_var Query variable key.
* @param mixed $value Query variable value.
*/
public function set($query_var, $value) {
$this->query_vars[$query_var] = $value;
}
/**
* Retrieve the posts based on query variables.
*
* There are a few filters and actions that can be used to modify the post
* database query.
*
* @since 1.5.0
* @access public
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @return array List of posts.
*/
public function get_posts() {
global $wpdb;
$this->parse_query();
/**
* Fires after the query variable object is created, but before the actual query is run.
*
* Note: If using conditional tags, use the method versions within the passed instance
* (e.g. $this->is_main_query() instead of is_main_query()). This is because the functions
* like is_main_query() test against the global $wp_query instance, not the passed one.
*
* @since 2.0.0
*
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
do_action_ref_array( 'pre_get_posts', array( &$this ) );
// Shorthand.
$q = &$this->query_vars;
// Fill again in case pre_get_posts unset some vars.
$q = $this->fill_query_vars($q);
// Parse meta query
$this->meta_query = new WP_Meta_Query();
$this->meta_query->parse_query_vars( $q );
// Set a flag if a pre_get_posts hook changed the query vars.
$hash = md5( serialize( $this->query_vars ) );
if ( $hash != $this->query_vars_hash ) {
$this->query_vars_changed = true;
$this->query_vars_hash = $hash;
}
unset($hash);
// First let's clear some variables
$distinct = '';
$whichauthor = '';
$whichmimetype = '';
$where = '';
$limits = '';
$join = '';
$search = '';
$groupby = '';
$post_status_join = false;
$page = 1;
if ( isset( $q['caller_get_posts'] ) ) {
_deprecated_argument( 'WP_Query', '3.1', __( '"caller_get_posts" is deprecated. Use "ignore_sticky_posts" instead.' ) );
if ( !isset( $q['ignore_sticky_posts'] ) )
$q['ignore_sticky_posts'] = $q['caller_get_posts'];
}
if ( !isset( $q['ignore_sticky_posts'] ) )
$q['ignore_sticky_posts'] = false;
if ( !isset($q['suppress_filters']) )
$q['suppress_filters'] = false;
if ( !isset($q['cache_results']) ) {
if ( wp_using_ext_object_cache() )
$q['cache_results'] = false;
else
$q['cache_results'] = true;
}
if ( !isset($q['update_post_term_cache']) )
$q['update_post_term_cache'] = true;
if ( !isset($q['update_post_meta_cache']) )
$q['update_post_meta_cache'] = true;
if ( !isset($q['post_type']) ) {
if ( $this->is_search )
$q['post_type'] = 'any';
else
$q['post_type'] = '';
}
$post_type = $q['post_type'];
if ( empty( $q['posts_per_page'] ) ) {
$q['posts_per_page'] = get_option( 'posts_per_page' );
}
if ( isset($q['showposts']) && $q['showposts'] ) {
$q['showposts'] = (int) $q['showposts'];
$q['posts_per_page'] = $q['showposts'];
}
if ( (isset($q['posts_per_archive_page']) && $q['posts_per_archive_page'] != 0) && ($this->is_archive || $this->is_search) )
$q['posts_per_page'] = $q['posts_per_archive_page'];
if ( !isset($q['nopaging']) ) {
if ( $q['posts_per_page'] == -1 ) {
$q['nopaging'] = true;
} else {
$q['nopaging'] = false;
}
}
if ( $this->is_feed ) {
// This overrides posts_per_page.
if ( ! empty( $q['posts_per_rss'] ) ) {
$q['posts_per_page'] = $q['posts_per_rss'];
} else {
$q['posts_per_page'] = get_option( 'posts_per_rss' );
}
$q['nopaging'] = false;
}
$q['posts_per_page'] = (int) $q['posts_per_page'];
if ( $q['posts_per_page'] < -1 )
$q['posts_per_page'] = abs($q['posts_per_page']);
elseif ( $q['posts_per_page'] == 0 )
$q['posts_per_page'] = 1;
if ( !isset($q['comments_per_page']) || $q['comments_per_page'] == 0 )
$q['comments_per_page'] = get_option('comments_per_page');
if ( $this->is_home && (empty($this->query) || $q['preview'] == 'true') && ( 'page' == get_option('show_on_front') ) && get_option('page_on_front') ) {
$this->is_page = true;
$this->is_home = false;
$q['page_id'] = get_option('page_on_front');
}
if ( isset($q['page']) ) {
$q['page'] = trim($q['page'], '/');
$q['page'] = absint($q['page']);
}
// If true, forcibly turns off SQL_CALC_FOUND_ROWS even when limits are present.
if ( isset($q['no_found_rows']) )
$q['no_found_rows'] = (bool) $q['no_found_rows'];
else
$q['no_found_rows'] = false;
switch ( $q['fields'] ) {
case 'ids':
$fields = "$wpdb->posts.ID";
break;
case 'id=>parent':
$fields = "$wpdb->posts.ID, $wpdb->posts.post_parent";
break;
default:
$fields = "$wpdb->posts.*";
}
if ( '' !== $q['menu_order'] )
$where .= " AND $wpdb->posts.menu_order = " . $q['menu_order'];
// The "m" parameter is meant for months but accepts datetimes of varying specificity
if ( $q['m'] ) {
$where .= " AND YEAR($wpdb->posts.post_date)=" . substr($q['m'], 0, 4);
if ( strlen($q['m']) > 5 )
$where .= " AND MONTH($wpdb->posts.post_date)=" . substr($q['m'], 4, 2);
if ( strlen($q['m']) > 7 )
$where .= " AND DAYOFMONTH($wpdb->posts.post_date)=" . substr($q['m'], 6, 2);
if ( strlen($q['m']) > 9 )
$where .= " AND HOUR($wpdb->posts.post_date)=" . substr($q['m'], 8, 2);
if ( strlen($q['m']) > 11 )
$where .= " AND MINUTE($wpdb->posts.post_date)=" . substr($q['m'], 10, 2);
if ( strlen($q['m']) > 13 )
$where .= " AND SECOND($wpdb->posts.post_date)=" . substr($q['m'], 12, 2);
}
// Handle the other individual date parameters
$date_parameters = array();
if ( '' !== $q['hour'] )
$date_parameters['hour'] = $q['hour'];
if ( '' !== $q['minute'] )
$date_parameters['minute'] = $q['minute'];
if ( '' !== $q['second'] )
$date_parameters['second'] = $q['second'];
if ( $q['year'] )
$date_parameters['year'] = $q['year'];
if ( $q['monthnum'] )
$date_parameters['monthnum'] = $q['monthnum'];
if ( $q['w'] )
$date_parameters['week'] = $q['w'];
if ( $q['day'] )
$date_parameters['day'] = $q['day'];
if ( $date_parameters ) {
$date_query = new WP_Date_Query( array( $date_parameters ) );
$where .= $date_query->get_sql();
}
unset( $date_parameters, $date_query );
// Handle complex date queries
if ( ! empty( $q['date_query'] ) ) {
$this->date_query = new WP_Date_Query( $q['date_query'] );
$where .= $this->date_query->get_sql();
}
// If we've got a post_type AND it's not "any" post_type.
if ( !empty($q['post_type']) && 'any' != $q['post_type'] ) {
foreach ( (array)$q['post_type'] as $_post_type ) {
$ptype_obj = get_post_type_object($_post_type);
if ( !$ptype_obj || !$ptype_obj->query_var || empty($q[ $ptype_obj->query_var ]) )
continue;
if ( ! $ptype_obj->hierarchical ) {
// Non-hierarchical post types can directly use 'name'.
$q['name'] = $q[ $ptype_obj->query_var ];
} else {
// Hierarchical post types will operate through 'pagename'.
$q['pagename'] = $q[ $ptype_obj->query_var ];
$q['name'] = '';
}
// Only one request for a slug is possible, this is why name & pagename are overwritten above.
break;
} //end foreach
unset($ptype_obj);
}
if ( '' !== $q['title'] ) {
$where .= $wpdb->prepare( " AND $wpdb->posts.post_title = %s", stripslashes( $q['title'] ) );
}
// Parameters related to 'post_name'.
if ( '' != $q['name'] ) {
$q['name'] = sanitize_title_for_query( $q['name'] );
$where .= " AND $wpdb->posts.post_name = '" . $q['name'] . "'";
} elseif ( '' != $q['pagename'] ) {
if ( isset($this->queried_object_id) ) {
$reqpage = $this->queried_object_id;
} else {
if ( 'page' != $q['post_type'] ) {
foreach ( (array)$q['post_type'] as $_post_type ) {
$ptype_obj = get_post_type_object($_post_type);
if ( !$ptype_obj || !$ptype_obj->hierarchical )
continue;
$reqpage = get_page_by_path($q['pagename'], OBJECT, $_post_type);
if ( $reqpage )
break;
}
unset($ptype_obj);
} else {
$reqpage = get_page_by_path($q['pagename']);
}
if ( !empty($reqpage) )
$reqpage = $reqpage->ID;
else
$reqpage = 0;
}
$page_for_posts = get_option('page_for_posts');
if ( ('page' != get_option('show_on_front') ) || empty($page_for_posts) || ( $reqpage != $page_for_posts ) ) {
$q['pagename'] = sanitize_title_for_query( wp_basename( $q['pagename'] ) );
$q['name'] = $q['pagename'];
$where .= " AND ($wpdb->posts.ID = '$reqpage')";
$reqpage_obj = get_post( $reqpage );
if ( is_object($reqpage_obj) && 'attachment' == $reqpage_obj->post_type ) {
$this->is_attachment = true;
$post_type = $q['post_type'] = 'attachment';
$this->is_page = true;
$q['attachment_id'] = $reqpage;
}
}
} elseif ( '' != $q['attachment'] ) {
$q['attachment'] = sanitize_title_for_query( wp_basename( $q['attachment'] ) );
$q['name'] = $q['attachment'];
$where .= " AND $wpdb->posts.post_name = '" . $q['attachment'] . "'";
} elseif ( is_array( $q['post_name__in'] ) && ! empty( $q['post_name__in'] ) ) {
$q['post_name__in'] = array_map( 'sanitize_title_for_query', $q['post_name__in'] );
$where .= " AND $wpdb->posts.post_name IN ('" . implode( "' ,'", $q['post_name__in'] ) . "')";
}
// If an attachment is requested by number, let it supersede any post number.
if ( $q['attachment_id'] )
$q['p'] = absint($q['attachment_id']);
// If a post number is specified, load that post
if ( $q['p'] ) {
$where .= " AND {$wpdb->posts}.ID = " . $q['p'];
} elseif ( $q['post__in'] ) {
$post__in = implode(',', array_map( 'absint', $q['post__in'] ));
$where .= " AND {$wpdb->posts}.ID IN ($post__in)";
} elseif ( $q['post__not_in'] ) {
$post__not_in = implode(',', array_map( 'absint', $q['post__not_in'] ));
$where .= " AND {$wpdb->posts}.ID NOT IN ($post__not_in)";
}
if ( is_numeric( $q['post_parent'] ) ) {
$where .= $wpdb->prepare( " AND $wpdb->posts.post_parent = %d ", $q['post_parent'] );
} elseif ( $q['post_parent__in'] ) {
$post_parent__in = implode( ',', array_map( 'absint', $q['post_parent__in'] ) );
$where .= " AND {$wpdb->posts}.post_parent IN ($post_parent__in)";
} elseif ( $q['post_parent__not_in'] ) {
$post_parent__not_in = implode( ',', array_map( 'absint', $q['post_parent__not_in'] ) );
$where .= " AND {$wpdb->posts}.post_parent NOT IN ($post_parent__not_in)";
}
if ( $q['page_id'] ) {
if ( ('page' != get_option('show_on_front') ) || ( $q['page_id'] != get_option('page_for_posts') ) ) {
$q['p'] = $q['page_id'];
$where = " AND {$wpdb->posts}.ID = " . $q['page_id'];
}
}
// If a search pattern is specified, load the posts that match.
if ( strlen( $q['s'] ) ) {
$search = $this->parse_search( $q );
}
if ( ! $q['suppress_filters'] ) {
/**
* Filter the search SQL that is used in the WHERE clause of WP_Query.
*
* @since 3.0.0
*
* @param string $search Search SQL for WHERE clause.
* @param WP_Query $this The current WP_Query object.
*/
$search = apply_filters_ref_array( 'posts_search', array( $search, &$this ) );
}
// Taxonomies
if ( !$this->is_singular ) {
$this->parse_tax_query( $q );
$clauses = $this->tax_query->get_sql( $wpdb->posts, 'ID' );
$join .= $clauses['join'];
$where .= $clauses['where'];
}
if ( $this->is_tax ) {
if ( empty($post_type) ) {
// Do a fully inclusive search for currently registered post types of queried taxonomies
$post_type = array();
$taxonomies = array_keys( $this->tax_query->queried_terms );
foreach ( get_post_types( array( 'exclude_from_search' => false ) ) as $pt ) {
$object_taxonomies = $pt === 'attachment' ? get_taxonomies_for_attachments() : get_object_taxonomies( $pt );
if ( array_intersect( $taxonomies, $object_taxonomies ) )
$post_type[] = $pt;
}
if ( ! $post_type )
$post_type = 'any';
elseif ( count( $post_type ) == 1 )
$post_type = $post_type[0];
$post_status_join = true;
} elseif ( in_array('attachment', (array) $post_type) ) {
$post_status_join = true;
}
}
/*
* Ensure that 'taxonomy', 'term', 'term_id', 'cat', and
* 'category_name' vars are set for backward compatibility.
*/
if ( ! empty( $this->tax_query->queried_terms ) ) {
/*
* Set 'taxonomy', 'term', and 'term_id' to the
* first taxonomy other than 'post_tag' or 'category'.
*/
if ( ! isset( $q['taxonomy'] ) ) {
foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
if ( empty( $queried_items['terms'][0] ) ) {
continue;
}
if ( ! in_array( $queried_taxonomy, array( 'category', 'post_tag' ) ) ) {
$q['taxonomy'] = $queried_taxonomy;
if ( 'slug' === $queried_items['field'] ) {
$q['term'] = $queried_items['terms'][0];
} else {
$q['term_id'] = $queried_items['terms'][0];
}
// Take the first one we find.
break;
}
}
}
// 'cat', 'category_name', 'tag_id'
foreach ( $this->tax_query->queried_terms as $queried_taxonomy => $queried_items ) {
if ( empty( $queried_items['terms'][0] ) ) {
continue;
}
if ( 'category' === $queried_taxonomy ) {
$the_cat = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'category' );
if ( $the_cat ) {
$this->set( 'cat', $the_cat->term_id );
$this->set( 'category_name', $the_cat->slug );
}
unset( $the_cat );
}
if ( 'post_tag' === $queried_taxonomy ) {
$the_tag = get_term_by( $queried_items['field'], $queried_items['terms'][0], 'post_tag' );
if ( $the_tag ) {
$this->set( 'tag_id', $the_tag->term_id );
}
unset( $the_tag );
}
}
}
if ( !empty( $this->tax_query->queries ) || !empty( $this->meta_query->queries ) ) {
$groupby = "{$wpdb->posts}.ID";
}
// Author/user stuff
if ( ! empty( $q['author'] ) && $q['author'] != '0' ) {
$q['author'] = addslashes_gpc( '' . urldecode( $q['author'] ) );
$authors = array_unique( array_map( 'intval', preg_split( '/[,\s]+/', $q['author'] ) ) );
foreach ( $authors as $author ) {
$key = $author > 0 ? 'author__in' : 'author__not_in';
$q[$key][] = abs( $author );
}
$q['author'] = implode( ',', $authors );
}
if ( ! empty( $q['author__not_in'] ) ) {
$author__not_in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__not_in'] ) ) );
$where .= " AND {$wpdb->posts}.post_author NOT IN ($author__not_in) ";
} elseif ( ! empty( $q['author__in'] ) ) {
$author__in = implode( ',', array_map( 'absint', array_unique( (array) $q['author__in'] ) ) );
$where .= " AND {$wpdb->posts}.post_author IN ($author__in) ";
}
// Author stuff for nice URLs
if ( '' != $q['author_name'] ) {
if ( strpos($q['author_name'], '/') !== false ) {
$q['author_name'] = explode('/', $q['author_name']);
if ( $q['author_name'][ count($q['author_name'])-1 ] ) {
$q['author_name'] = $q['author_name'][count($q['author_name'])-1]; // no trailing slash
} else {
$q['author_name'] = $q['author_name'][count($q['author_name'])-2]; // there was a trailing slash
}
}
$q['author_name'] = sanitize_title_for_query( $q['author_name'] );
$q['author'] = get_user_by('slug', $q['author_name']);
if ( $q['author'] )
$q['author'] = $q['author']->ID;
$whichauthor .= " AND ($wpdb->posts.post_author = " . absint($q['author']) . ')';
}
// MIME-Type stuff for attachment browsing
if ( isset( $q['post_mime_type'] ) && '' != $q['post_mime_type'] )
$whichmimetype = wp_post_mime_type_where( $q['post_mime_type'], $wpdb->posts );
$where .= $search . $whichauthor . $whichmimetype;
if ( ! empty( $this->meta_query->queries ) ) {
$clauses = $this->meta_query->get_sql( 'post', $wpdb->posts, 'ID', $this );
$join .= $clauses['join'];
$where .= $clauses['where'];
}
$rand = ( isset( $q['orderby'] ) && 'rand' === $q['orderby'] );
if ( ! isset( $q['order'] ) ) {
$q['order'] = $rand ? '' : 'DESC';
} else {
$q['order'] = $rand ? '' : $this->parse_order( $q['order'] );
}
// Order by.
if ( empty( $q['orderby'] ) ) {
/*
* Boolean false or empty array blanks out ORDER BY,
* while leaving the value unset or otherwise empty sets the default.
*/
if ( isset( $q['orderby'] ) && ( is_array( $q['orderby'] ) || false === $q['orderby'] ) ) {
$orderby = '';
} else {
$orderby = "$wpdb->posts.post_date " . $q['order'];
}
} elseif ( 'none' == $q['orderby'] ) {
$orderby = '';
} elseif ( $q['orderby'] == 'post__in' && ! empty( $post__in ) ) {
$orderby = "FIELD( {$wpdb->posts}.ID, $post__in )";
} elseif ( $q['orderby'] == 'post_parent__in' && ! empty( $post_parent__in ) ) {
$orderby = "FIELD( {$wpdb->posts}.post_parent, $post_parent__in )";
} else {
$orderby_array = array();
if ( is_array( $q['orderby'] ) ) {
foreach ( $q['orderby'] as $_orderby => $order ) {
$orderby = addslashes_gpc( urldecode( $_orderby ) );
$parsed = $this->parse_orderby( $orderby );
if ( ! $parsed ) {
continue;
}
$orderby_array[] = $parsed . ' ' . $this->parse_order( $order );
}
$orderby = implode( ', ', $orderby_array );
} else {
$q['orderby'] = urldecode( $q['orderby'] );
$q['orderby'] = addslashes_gpc( $q['orderby'] );
foreach ( explode( ' ', $q['orderby'] ) as $i => $orderby ) {
$parsed = $this->parse_orderby( $orderby );
// Only allow certain values for safety.
if ( ! $parsed ) {
continue;
}
$orderby_array[] = $parsed;
}
$orderby = implode( ' ' . $q['order'] . ', ', $orderby_array );
if ( empty( $orderby ) ) {
$orderby = "$wpdb->posts.post_date " . $q['order'];
} elseif ( ! empty( $q['order'] ) ) {
$orderby .= " {$q['order']}";
}
}
}
// Order search results by relevance only when another "orderby" is not specified in the query.
if ( ! empty( $q['s'] ) ) {
$search_orderby = '';
if ( ! empty( $q['search_orderby_title'] ) && ( empty( $q['orderby'] ) && ! $this->is_feed ) || ( isset( $q['orderby'] ) && 'relevance' === $q['orderby'] ) )
$search_orderby = $this->parse_search_order( $q );
if ( ! $q['suppress_filters'] ) {
/**
* Filter the ORDER BY used when ordering search results.
*
* @since 3.7.0
*
* @param string $search_orderby The ORDER BY clause.
* @param WP_Query $this The current WP_Query instance.
*/
$search_orderby = apply_filters( 'posts_search_orderby', $search_orderby, $this );
}
if ( $search_orderby )
$orderby = $orderby ? $search_orderby . ', ' . $orderby : $search_orderby;
}
if ( is_array( $post_type ) && count( $post_type ) > 1 ) {
$post_type_cap = 'multiple_post_type';
} else {
if ( is_array( $post_type ) )
$post_type = reset( $post_type );
$post_type_object = get_post_type_object( $post_type );
if ( empty( $post_type_object ) )
$post_type_cap = $post_type;
}
if ( isset( $q['post_password'] ) ) {
$where .= $wpdb->prepare( " AND $wpdb->posts.post_password = %s", $q['post_password'] );
if ( empty( $q['perm'] ) ) {
$q['perm'] = 'readable';
}
} elseif ( isset( $q['has_password'] ) ) {
$where .= sprintf( " AND $wpdb->posts.post_password %s ''", $q['has_password'] ? '!=' : '=' );
}
if ( ! empty( $q['comment_status'] ) ) {
$where .= $wpdb->prepare( " AND $wpdb->posts.comment_status = %s ", $q['comment_status'] );
}
if ( ! empty( $q['ping_status'] ) ) {
$where .= $wpdb->prepare( " AND $wpdb->posts.ping_status = %s ", $q['ping_status'] );
}
if ( 'any' == $post_type ) {
$in_search_post_types = get_post_types( array('exclude_from_search' => false) );
if ( empty( $in_search_post_types ) ) {
$where .= ' AND 1=0 ';
} else {
$where .= " AND {$wpdb->posts}.post_type IN ('" . join( "', '", array_map( 'esc_sql', $in_search_post_types ) ) . "')";
}
} elseif ( !empty( $post_type ) && is_array( $post_type ) ) {
$where .= " AND {$wpdb->posts}.post_type IN ('" . join("', '", esc_sql( $post_type ) ) . "')";
} elseif ( ! empty( $post_type ) ) {
$where .= $wpdb->prepare( " AND {$wpdb->posts}.post_type = %s", $post_type );
$post_type_object = get_post_type_object ( $post_type );
} elseif ( $this->is_attachment ) {
$where .= " AND $wpdb->posts.post_type = 'attachment'";
$post_type_object = get_post_type_object ( 'attachment' );
} elseif ( $this->is_page ) {
$where .= " AND $wpdb->posts.post_type = 'page'";
$post_type_object = get_post_type_object ( 'page' );
} else {
$where .= " AND $wpdb->posts.post_type = 'post'";
$post_type_object = get_post_type_object ( 'post' );
}
$edit_cap = 'edit_post';
$read_cap = 'read_post';
if ( ! empty( $post_type_object ) ) {
$edit_others_cap = $post_type_object->cap->edit_others_posts;
$read_private_cap = $post_type_object->cap->read_private_posts;
} else {
$edit_others_cap = 'edit_others_' . $post_type_cap . 's';
$read_private_cap = 'read_private_' . $post_type_cap . 's';
}
$user_id = get_current_user_id();
$q_status = array();
if ( ! empty( $q['post_status'] ) ) {
$statuswheres = array();
$q_status = $q['post_status'];
if ( ! is_array( $q_status ) )
$q_status = explode(',', $q_status);
$r_status = array();
$p_status = array();
$e_status = array();
if ( in_array( 'any', $q_status ) ) {
foreach ( get_post_stati( array( 'exclude_from_search' => true ) ) as $status ) {
if ( ! in_array( $status, $q_status ) ) {
$e_status[] = "$wpdb->posts.post_status <> '$status'";
}
}
} else {
foreach ( get_post_stati() as $status ) {
if ( in_array( $status, $q_status ) ) {
if ( 'private' == $status )
$p_status[] = "$wpdb->posts.post_status = '$status'";
else
$r_status[] = "$wpdb->posts.post_status = '$status'";
}
}
}
if ( empty($q['perm'] ) || 'readable' != $q['perm'] ) {
$r_status = array_merge($r_status, $p_status);
unset($p_status);
}
if ( !empty($e_status) ) {
$statuswheres[] = "(" . join( ' AND ', $e_status ) . ")";
}
if ( !empty($r_status) ) {
if ( !empty($q['perm'] ) && 'editable' == $q['perm'] && !current_user_can($edit_others_cap) )
$statuswheres[] = "($wpdb->posts.post_author = $user_id " . "AND (" . join( ' OR ', $r_status ) . "))";
else
$statuswheres[] = "(" . join( ' OR ', $r_status ) . ")";
}
if ( !empty($p_status) ) {
if ( !empty($q['perm'] ) && 'readable' == $q['perm'] && !current_user_can($read_private_cap) )
$statuswheres[] = "($wpdb->posts.post_author = $user_id " . "AND (" . join( ' OR ', $p_status ) . "))";
else
$statuswheres[] = "(" . join( ' OR ', $p_status ) . ")";
}
if ( $post_status_join ) {
$join .= " LEFT JOIN $wpdb->posts AS p2 ON ($wpdb->posts.post_parent = p2.ID) ";
foreach ( $statuswheres as $index => $statuswhere )
$statuswheres[$index] = "($statuswhere OR ($wpdb->posts.post_status = 'inherit' AND " . str_replace($wpdb->posts, 'p2', $statuswhere) . "))";
}
$where_status = implode( ' OR ', $statuswheres );
if ( ! empty( $where_status ) ) {
$where .= " AND ($where_status)";
}
} elseif ( !$this->is_singular ) {
$where .= " AND ($wpdb->posts.post_status = 'publish'";
// Add public states.
$public_states = get_post_stati( array('public' => true) );
foreach ( (array) $public_states as $state ) {
if ( 'publish' == $state ) // Publish is hard-coded above.
continue;
$where .= " OR $wpdb->posts.post_status = '$state'";
}
if ( $this->is_admin ) {
// Add protected states that should show in the admin all list.
$admin_all_states = get_post_stati( array('protected' => true, 'show_in_admin_all_list' => true) );
foreach ( (array) $admin_all_states as $state )
$where .= " OR $wpdb->posts.post_status = '$state'";
}
if ( is_user_logged_in() ) {
// Add private states that are limited to viewing by the author of a post or someone who has caps to read private states.
$private_states = get_post_stati( array('private' => true) );
foreach ( (array) $private_states as $state )
$where .= current_user_can( $read_private_cap ) ? " OR $wpdb->posts.post_status = '$state'" : " OR $wpdb->posts.post_author = $user_id AND $wpdb->posts.post_status = '$state'";
}
$where .= ')';
}
/*
* Apply filters on where and join prior to paging so that any
* manipulations to them are reflected in the paging by day queries.
*/
if ( !$q['suppress_filters'] ) {
/**
* Filter the WHERE clause of the query.
*
* @since 1.5.0
*
* @param string $where The WHERE clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$where = apply_filters_ref_array( 'posts_where', array( $where, &$this ) );
/**
* Filter the JOIN clause of the query.
*
* @since 1.5.0
*
* @param string $where The JOIN clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$join = apply_filters_ref_array( 'posts_join', array( $join, &$this ) );
}
// Paging
if ( empty($q['nopaging']) && !$this->is_singular ) {
$page = absint($q['paged']);
if ( !$page )
$page = 1;
// If 'offset' is provided, it takes precedence over 'paged'.
if ( isset( $q['offset'] ) && is_numeric( $q['offset'] ) ) {
$q['offset'] = absint( $q['offset'] );
$pgstrt = $q['offset'] . ', ';
} else {
$pgstrt = absint( ( $page - 1 ) * $q['posts_per_page'] ) . ', ';
}
$limits = 'LIMIT ' . $pgstrt . $q['posts_per_page'];
}
// Comments feeds
if ( $this->is_comment_feed && ! $this->is_singular ) {
if ( $this->is_archive || $this->is_search ) {
$cjoin = "JOIN $wpdb->posts ON ($wpdb->comments.comment_post_ID = $wpdb->posts.ID) $join ";
$cwhere = "WHERE comment_approved = '1' $where";
$cgroupby = "$wpdb->comments.comment_id";
} else { // Other non singular e.g. front
$cjoin = "JOIN $wpdb->posts ON ( $wpdb->comments.comment_post_ID = $wpdb->posts.ID )";
$cwhere = "WHERE ( post_status = 'publish' OR ( post_status = 'inherit' && post_type = 'attachment' ) ) AND comment_approved = '1'";
$cgroupby = '';
}
if ( !$q['suppress_filters'] ) {
/**
* Filter the JOIN clause of the comments feed query before sending.
*
* @since 2.2.0
*
* @param string $cjoin The JOIN clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$cjoin = apply_filters_ref_array( 'comment_feed_join', array( $cjoin, &$this ) );
/**
* Filter the WHERE clause of the comments feed query before sending.
*
* @since 2.2.0
*
* @param string $cwhere The WHERE clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$cwhere = apply_filters_ref_array( 'comment_feed_where', array( $cwhere, &$this ) );
/**
* Filter the GROUP BY clause of the comments feed query before sending.
*
* @since 2.2.0
*
* @param string $cgroupby The GROUP BY clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( $cgroupby, &$this ) );
/**
* Filter the ORDER BY clause of the comments feed query before sending.
*
* @since 2.8.0
*
* @param string $corderby The ORDER BY clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
/**
* Filter the LIMIT clause of the comments feed query before sending.
*
* @since 2.8.0
*
* @param string $climits The JOIN clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
}
$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
$comments = (array) $wpdb->get_results("SELECT $distinct $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits");
// Convert to WP_Comment
$this->comments = array_map( 'get_comment', $comments );
$this->comment_count = count($this->comments);
$post_ids = array();
foreach ( $this->comments as $comment )
$post_ids[] = (int) $comment->comment_post_ID;
$post_ids = join(',', $post_ids);
$join = '';
if ( $post_ids )
$where = "AND $wpdb->posts.ID IN ($post_ids) ";
else
$where = "AND 0";
}
$pieces = array( 'where', 'groupby', 'join', 'orderby', 'distinct', 'fields', 'limits' );
/*
* Apply post-paging filters on where and join. Only plugins that
* manipulate paging queries should use these hooks.
*/
if ( !$q['suppress_filters'] ) {
/**
* Filter the WHERE clause of the query.
*
* Specifically for manipulating paging queries.
*
* @since 1.5.0
*
* @param string $where The WHERE clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$where = apply_filters_ref_array( 'posts_where_paged', array( $where, &$this ) );
/**
* Filter the GROUP BY clause of the query.
*
* @since 2.0.0
*
* @param string $groupby The GROUP BY clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$groupby = apply_filters_ref_array( 'posts_groupby', array( $groupby, &$this ) );
/**
* Filter the JOIN clause of the query.
*
* Specifically for manipulating paging queries.
*
* @since 1.5.0
*
* @param string $join The JOIN clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$join = apply_filters_ref_array( 'posts_join_paged', array( $join, &$this ) );
/**
* Filter the ORDER BY clause of the query.
*
* @since 1.5.1
*
* @param string $orderby The ORDER BY clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$orderby = apply_filters_ref_array( 'posts_orderby', array( $orderby, &$this ) );
/**
* Filter the DISTINCT clause of the query.
*
* @since 2.1.0
*
* @param string $distinct The DISTINCT clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$distinct = apply_filters_ref_array( 'posts_distinct', array( $distinct, &$this ) );
/**
* Filter the LIMIT clause of the query.
*
* @since 2.1.0
*
* @param string $limits The LIMIT clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$limits = apply_filters_ref_array( 'post_limits', array( $limits, &$this ) );
/**
* Filter the SELECT clause of the query.
*
* @since 2.1.0
*
* @param string $fields The SELECT clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$fields = apply_filters_ref_array( 'posts_fields', array( $fields, &$this ) );
/**
* Filter all query clauses at once, for convenience.
*
* Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
* fields (SELECT), and LIMITS clauses.
*
* @since 3.1.0
*
* @param array $clauses The list of clauses for the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$clauses = (array) apply_filters_ref_array( 'posts_clauses', array( compact( $pieces ), &$this ) );
$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
$groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
$join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
$orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
$distinct = isset( $clauses[ 'distinct' ] ) ? $clauses[ 'distinct' ] : '';
$fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
$limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
}
/**
* Fires to announce the query's current selection parameters.
*
* For use by caching plugins.
*
* @since 2.3.0
*
* @param string $selection The assembled selection query.
*/
do_action( 'posts_selection', $where . $groupby . $orderby . $limits . $join );
/*
* Filter again for the benefit of caching plugins.
* Regular plugins should use the hooks above.
*/
if ( !$q['suppress_filters'] ) {
/**
* Filter the WHERE clause of the query.
*
* For use by caching plugins.
*
* @since 2.5.0
*
* @param string $where The WHERE clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$where = apply_filters_ref_array( 'posts_where_request', array( $where, &$this ) );
/**
* Filter the GROUP BY clause of the query.
*
* For use by caching plugins.
*
* @since 2.5.0
*
* @param string $groupby The GROUP BY clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$groupby = apply_filters_ref_array( 'posts_groupby_request', array( $groupby, &$this ) );
/**
* Filter the JOIN clause of the query.
*
* For use by caching plugins.
*
* @since 2.5.0
*
* @param string $join The JOIN clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$join = apply_filters_ref_array( 'posts_join_request', array( $join, &$this ) );
/**
* Filter the ORDER BY clause of the query.
*
* For use by caching plugins.
*
* @since 2.5.0
*
* @param string $orderby The ORDER BY clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$orderby = apply_filters_ref_array( 'posts_orderby_request', array( $orderby, &$this ) );
/**
* Filter the DISTINCT clause of the query.
*
* For use by caching plugins.
*
* @since 2.5.0
*
* @param string $distinct The DISTINCT clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$distinct = apply_filters_ref_array( 'posts_distinct_request', array( $distinct, &$this ) );
/**
* Filter the SELECT clause of the query.
*
* For use by caching plugins.
*
* @since 2.5.0
*
* @param string $fields The SELECT clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$fields = apply_filters_ref_array( 'posts_fields_request', array( $fields, &$this ) );
/**
* Filter the LIMIT clause of the query.
*
* For use by caching plugins.
*
* @since 2.5.0
*
* @param string $limits The LIMIT clause of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$limits = apply_filters_ref_array( 'post_limits_request', array( $limits, &$this ) );
/**
* Filter all query clauses at once, for convenience.
*
* For use by caching plugins.
*
* Covers the WHERE, GROUP BY, JOIN, ORDER BY, DISTINCT,
* fields (SELECT), and LIMITS clauses.
*
* @since 3.1.0
*
* @param array $pieces The pieces of the query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$clauses = (array) apply_filters_ref_array( 'posts_clauses_request', array( compact( $pieces ), &$this ) );
$where = isset( $clauses[ 'where' ] ) ? $clauses[ 'where' ] : '';
$groupby = isset( $clauses[ 'groupby' ] ) ? $clauses[ 'groupby' ] : '';
$join = isset( $clauses[ 'join' ] ) ? $clauses[ 'join' ] : '';
$orderby = isset( $clauses[ 'orderby' ] ) ? $clauses[ 'orderby' ] : '';
$distinct = isset( $clauses[ 'distinct' ] ) ? $clauses[ 'distinct' ] : '';
$fields = isset( $clauses[ 'fields' ] ) ? $clauses[ 'fields' ] : '';
$limits = isset( $clauses[ 'limits' ] ) ? $clauses[ 'limits' ] : '';
}
if ( ! empty($groupby) )
$groupby = 'GROUP BY ' . $groupby;
if ( !empty( $orderby ) )
$orderby = 'ORDER BY ' . $orderby;
$found_rows = '';
if ( !$q['no_found_rows'] && !empty($limits) )
$found_rows = 'SQL_CALC_FOUND_ROWS';
$this->request = $old_request = "SELECT $found_rows $distinct $fields FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
if ( !$q['suppress_filters'] ) {
/**
* Filter the completed SQL query before sending.
*
* @since 2.0.0
*
* @param array $request The complete SQL query.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$this->request = apply_filters_ref_array( 'posts_request', array( $this->request, &$this ) );
}
if ( 'ids' == $q['fields'] ) {
$this->posts = $wpdb->get_col( $this->request );
$this->posts = array_map( 'intval', $this->posts );
$this->post_count = count( $this->posts );
$this->set_found_posts( $q, $limits );
return $this->posts;
}
if ( 'id=>parent' == $q['fields'] ) {
$this->posts = $wpdb->get_results( $this->request );
$this->post_count = count( $this->posts );
$this->set_found_posts( $q, $limits );
$r = array();
foreach ( $this->posts as $key => $post ) {
$this->posts[ $key ]->ID = (int) $post->ID;
$this->posts[ $key ]->post_parent = (int) $post->post_parent;
$r[ (int) $post->ID ] = (int) $post->post_parent;
}
return $r;
}
$split_the_query = ( $old_request == $this->request && "$wpdb->posts.*" == $fields && !empty( $limits ) && $q['posts_per_page'] < 500 );
/**
* Filter whether to split the query.
*
* Splitting the query will cause it to fetch just the IDs of the found posts
* (and then individually fetch each post by ID), rather than fetching every
* complete row at once. One massive result vs. many small results.
*
* @since 3.4.0
*
* @param bool $split_the_query Whether or not to split the query.
* @param WP_Query $this The WP_Query instance.
*/
$split_the_query = apply_filters( 'split_the_query', $split_the_query, $this );
if ( $split_the_query ) {
// First get the IDs and then fill in the objects
$this->request = "SELECT $found_rows $distinct $wpdb->posts.ID FROM $wpdb->posts $join WHERE 1=1 $where $groupby $orderby $limits";
/**
* Filter the Post IDs SQL request before sending.
*
* @since 3.4.0
*
* @param string $request The post ID request.
* @param WP_Query $this The WP_Query instance.
*/
$this->request = apply_filters( 'posts_request_ids', $this->request, $this );
$ids = $wpdb->get_col( $this->request );
if ( $ids ) {
$this->posts = $ids;
$this->set_found_posts( $q, $limits );
_prime_post_caches( $ids, $q['update_post_term_cache'], $q['update_post_meta_cache'] );
} else {
$this->posts = array();
}
} else {
$this->posts = $wpdb->get_results( $this->request );
$this->set_found_posts( $q, $limits );
}
// Convert to WP_Post objects
if ( $this->posts )
$this->posts = array_map( 'get_post', $this->posts );
if ( ! $q['suppress_filters'] ) {
/**
* Filter the raw post results array, prior to status checks.
*
* @since 2.3.0
*
* @param array $posts The post results array.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$this->posts = apply_filters_ref_array( 'posts_results', array( $this->posts, &$this ) );
}
if ( !empty($this->posts) && $this->is_comment_feed && $this->is_singular ) {
/** This filter is documented in wp-includes/query.php */
$cjoin = apply_filters_ref_array( 'comment_feed_join', array( '', &$this ) );
/** This filter is documented in wp-includes/query.php */
$cwhere = apply_filters_ref_array( 'comment_feed_where', array( "WHERE comment_post_ID = '{$this->posts[0]->ID}' AND comment_approved = '1'", &$this ) );
/** This filter is documented in wp-includes/query.php */
$cgroupby = apply_filters_ref_array( 'comment_feed_groupby', array( '', &$this ) );
$cgroupby = ( ! empty( $cgroupby ) ) ? 'GROUP BY ' . $cgroupby : '';
/** This filter is documented in wp-includes/query.php */
$corderby = apply_filters_ref_array( 'comment_feed_orderby', array( 'comment_date_gmt DESC', &$this ) );
$corderby = ( ! empty( $corderby ) ) ? 'ORDER BY ' . $corderby : '';
/** This filter is documented in wp-includes/query.php */
$climits = apply_filters_ref_array( 'comment_feed_limits', array( 'LIMIT ' . get_option('posts_per_rss'), &$this ) );
$comments_request = "SELECT $wpdb->comments.* FROM $wpdb->comments $cjoin $cwhere $cgroupby $corderby $climits";
$comments = $wpdb->get_results($comments_request);
// Convert to WP_Comment
$this->comments = array_map( 'get_comment', $comments );
$this->comment_count = count($this->comments);
}
// Check post status to determine if post should be displayed.
if ( !empty($this->posts) && ($this->is_single || $this->is_page) ) {
$status = get_post_status($this->posts[0]);
if ( 'attachment' === $this->posts[0]->post_type && 0 === (int) $this->posts[0]->post_parent ) {
$this->is_page = false;
$this->is_single = true;
$this->is_attachment = true;
}
$post_status_obj = get_post_status_object($status);
// If the post_status was specifically requested, let it pass through.
if ( !$post_status_obj->public && ! in_array( $status, $q_status ) ) {
if ( ! is_user_logged_in() ) {
// User must be logged in to view unpublished posts.
$this->posts = array();
} else {
if ( $post_status_obj->protected ) {
// User must have edit permissions on the draft to preview.
if ( ! current_user_can($edit_cap, $this->posts[0]->ID) ) {
$this->posts = array();
} else {
$this->is_preview = true;
if ( 'future' != $status )
$this->posts[0]->post_date = current_time('mysql');
}
} elseif ( $post_status_obj->private ) {
if ( ! current_user_can($read_cap, $this->posts[0]->ID) )
$this->posts = array();
} else {
$this->posts = array();
}
}
}
if ( $this->is_preview && $this->posts && current_user_can( $edit_cap, $this->posts[0]->ID ) ) {
/**
* Filter the single post for preview mode.
*
* @since 2.7.0
*
* @param WP_Post $post_preview The Post object.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$this->posts[0] = get_post( apply_filters_ref_array( 'the_preview', array( $this->posts[0], &$this ) ) );
}
}
// Put sticky posts at the top of the posts array
$sticky_posts = get_option('sticky_posts');
if ( $this->is_home && $page <= 1 && is_array($sticky_posts) && !empty($sticky_posts) && !$q['ignore_sticky_posts'] ) {
$num_posts = count($this->posts);
$sticky_offset = 0;
// Loop over posts and relocate stickies to the front.
for ( $i = 0; $i < $num_posts; $i++ ) {
if ( in_array($this->posts[$i]->ID, $sticky_posts) ) {
$sticky_post = $this->posts[$i];
// Remove sticky from current position
array_splice($this->posts, $i, 1);
// Move to front, after other stickies
array_splice($this->posts, $sticky_offset, 0, array($sticky_post));
// Increment the sticky offset. The next sticky will be placed at this offset.
$sticky_offset++;
// Remove post from sticky posts array
$offset = array_search($sticky_post->ID, $sticky_posts);
unset( $sticky_posts[$offset] );
}
}
// If any posts have been excluded specifically, Ignore those that are sticky.
if ( !empty($sticky_posts) && !empty($q['post__not_in']) )
$sticky_posts = array_diff($sticky_posts, $q['post__not_in']);
// Fetch sticky posts that weren't in the query results
if ( !empty($sticky_posts) ) {
$stickies = get_posts( array(
'post__in' => $sticky_posts,
'post_type' => $post_type,
'post_status' => 'publish',
'nopaging' => true
) );
foreach ( $stickies as $sticky_post ) {
array_splice( $this->posts, $sticky_offset, 0, array( $sticky_post ) );
$sticky_offset++;
}
}
}
// If comments have been fetched as part of the query, make sure comment meta lazy-loading is set up.
if ( ! empty( $this->comments ) ) {
wp_queue_comments_for_comment_meta_lazyload( $this->comments );
}
if ( ! $q['suppress_filters'] ) {
/**
* Filter the array of retrieved posts after they've been fetched and
* internally processed.
*
* @since 1.5.0
*
* @param array $posts The array of retrieved posts.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$this->posts = apply_filters_ref_array( 'the_posts', array( $this->posts, &$this ) );
}
// Ensure that any posts added/modified via one of the filters above are
// of the type WP_Post and are filtered.
if ( $this->posts ) {
$this->post_count = count( $this->posts );
$this->posts = array_map( 'get_post', $this->posts );
if ( $q['cache_results'] )
update_post_caches($this->posts, $post_type, $q['update_post_term_cache'], $q['update_post_meta_cache']);
$this->post = reset( $this->posts );
} else {
$this->post_count = 0;
$this->posts = array();
}
if ( $q['update_post_term_cache'] ) {
wp_queue_posts_for_term_meta_lazyload( $this->posts );
}
return $this->posts;
}
/**
* Set up the amount of found posts and the number of pages (if limit clause was used)
* for the current query.
*
* @since 3.5.0
* @access private
*
* @global wpdb $wpdb WordPress database abstraction object.
*
* @param array $q Query variables.
* @param string $limits LIMIT clauses of the query.
*/
private function set_found_posts( $q, $limits ) {
global $wpdb;
// Bail if posts is an empty array. Continue if posts is an empty string,
// null, or false to accommodate caching plugins that fill posts later.
if ( $q['no_found_rows'] || ( is_array( $this->posts ) && ! $this->posts ) )
return;
if ( ! empty( $limits ) ) {
/**
* Filter the query to run for retrieving the found posts.
*
* @since 2.1.0
*
* @param string $found_posts The query to run to find the found posts.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$this->found_posts = $wpdb->get_var( apply_filters_ref_array( 'found_posts_query', array( 'SELECT FOUND_ROWS()', &$this ) ) );
} else {
$this->found_posts = count( $this->posts );
}
/**
* Filter the number of found posts for the query.
*
* @since 2.1.0
*
* @param int $found_posts The number of posts found.
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
$this->found_posts = apply_filters_ref_array( 'found_posts', array( $this->found_posts, &$this ) );
if ( ! empty( $limits ) )
$this->max_num_pages = ceil( $this->found_posts / $q['posts_per_page'] );
}
/**
* Set up the next post and iterate current post index.
*
* @since 1.5.0
* @access public
*
* @return WP_Post Next post.
*/
public function next_post() {
$this->current_post++;
$this->post = $this->posts[$this->current_post];
return $this->post;
}
/**
* Sets up the current post.
*
* Retrieves the next post, sets up the post, sets the 'in the loop'
* property to true.
*
* @since 1.5.0
* @access public
*
* @global WP_Post $post
*/
public function the_post() {
global $post;
$this->in_the_loop = true;
if ( $this->current_post == -1 ) // loop has just started
/**
* Fires once the loop is started.
*
* @since 2.0.0
*
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
do_action_ref_array( 'loop_start', array( &$this ) );
$post = $this->next_post();
$this->setup_postdata( $post );
}
/**
* Whether there are more posts available in the loop.
*
* Calls action 'loop_end', when the loop is complete.
*
* @since 1.5.0
* @access public
*
* @return bool True if posts are available, false if end of loop.
*/
public function have_posts() {
if ( $this->current_post + 1 < $this->post_count ) {
return true;
} elseif ( $this->current_post + 1 == $this->post_count && $this->post_count > 0 ) {
/**
* Fires once the loop has ended.
*
* @since 2.0.0
*
* @param WP_Query &$this The WP_Query instance (passed by reference).
*/
do_action_ref_array( 'loop_end', array( &$this ) );
// Do some cleaning up after the loop
$this->rewind_posts();
}
$this->in_the_loop = false;
return false;
}
/**
* Rewind the posts and reset post index.
*
* @since 1.5.0
* @access public
*/
public function rewind_posts() {
$this->current_post = -1;
if ( $this->post_count > 0 ) {
$this->post = $this->posts[0];
}
}
/**
* Iterate current comment index and return WP_Comment object.
*
* @since 2.2.0
* @access public
*
* @return WP_Comment Comment object.
*/
public function next_comment() {
$this->current_comment++;
$this->comment = $this->comments[$this->current_comment];
return $this->comment;
}
/**
* Sets up the current comment.
*
* @since 2.2.0
* @access public
* @global WP_Comment $comment Current comment.
*/
public function the_comment() {
global $comment;
$comment = $this->next_comment();
if ( $this->current_comment == 0 ) {
/**
* Fires once the comment loop is started.
*
* @since 2.2.0
*/
do_action( 'comment_loop_start' );
}
}
/**
* Whether there are more comments available.
*
* Automatically rewinds comments when finished.
*
* @since 2.2.0
* @access public
*
* @return bool True, if more comments. False, if no more posts.
*/
public function have_comments() {
if ( $this->current_comment + 1 < $this->comment_count ) {
return true;
} elseif ( $this->current_comment + 1 == $this->comment_count ) {
$this->rewind_comments();
}
return false;
}
/**
* Rewind the comments, resets the comment index and comment to first.
*
* @since 2.2.0
* @access public
*/
public function rewind_comments() {
$this->current_comment = -1;
if ( $this->comment_count > 0 ) {
$this->comment = $this->comments[0];
}
}
/**
* Sets up the WordPress query by parsing query string.
*
* @since 1.5.0
* @access public
*
* @param string $query URL query string.
* @return array List of posts.
*/
public function query( $query ) {
$this->init();
$this->query = $this->query_vars = wp_parse_args( $query );
return $this->get_posts();
}
/**
* Retrieve queried object.
*
* If queried object is not set, then the queried object will be set from
* the category, tag, taxonomy, posts page, single post, page, or author
* query variable. After it is set up, it will be returned.
*
* @since 1.5.0
* @access public
*
* @return object
*/
public function get_queried_object() {
if ( isset($this->queried_object) )
return $this->queried_object;
$this->queried_object = null;
$this->queried_object_id = null;
if ( $this->is_category || $this->is_tag || $this->is_tax ) {
if ( $this->is_category ) {
if ( $this->get( 'cat' ) ) {
$term = get_term( $this->get( 'cat' ), 'category' );
} elseif ( $this->get( 'category_name' ) ) {
$term = get_term_by( 'slug', $this->get( 'category_name' ), 'category' );
}
} elseif ( $this->is_tag ) {
if ( $this->get( 'tag_id' ) ) {
$term = get_term( $this->get( 'tag_id' ), 'post_tag' );
} elseif ( $this->get( 'tag' ) ) {
$term = get_term_by( 'slug', $this->get( 'tag' ), 'post_tag' );
}
} else {
// For other tax queries, grab the first term from the first clause.
$tax_query_in_and = wp_list_filter( $this->tax_query->queried_terms, array( 'operator' => 'NOT IN' ), 'NOT' );
if ( ! empty( $tax_query_in_and ) ) {
$queried_taxonomies = array_keys( $tax_query_in_and );
$matched_taxonomy = reset( $queried_taxonomies );
$query = $tax_query_in_and[ $matched_taxonomy ];
if ( $query['terms'] ) {
if ( 'term_id' == $query['field'] ) {
$term = get_term( reset( $query['terms'] ), $matched_taxonomy );
} else {
$term = get_term_by( $query['field'], reset( $query['terms'] ), $matched_taxonomy );
}
}
}
}
if ( ! empty( $term ) && ! is_wp_error( $term ) ) {
$this->queried_object = $term;
$this->queried_object_id = (int) $term->term_id;
if ( $this->is_category && 'category' === $this->queried_object->taxonomy )
_make_cat_compat( $this->queried_object );
}
} elseif ( $this->is_post_type_archive ) {
$post_type = $this->get( 'post_type' );
if ( is_array( $post_type ) )
$post_type = reset( $post_type );
$this->queried_object = get_post_type_object( $post_type );
} elseif ( $this->is_posts_page ) {
$page_for_posts = get_option('page_for_posts');
$this->queried_object = get_post( $page_for_posts );
$this->queried_object_id = (int) $this->queried_object->ID;
} elseif ( $this->is_singular && ! empty( $this->post ) ) {
$this->queried_object = $this->post;
$this->queried_object_id = (int) $this->post->ID;
} elseif ( $this->is_author ) {
$this->queried_object_id = (int) $this->get('author');
$this->queried_object = get_userdata( $this->queried_object_id );
}
return $this->queried_object;
}
/**
* Retrieve ID of the current queried object.
*
* @since 1.5.0
* @access public
*
* @return int
*/
public function get_queried_object_id() {
$this->get_queried_object();
if ( isset($this->queried_object_id) ) {
return $this->queried_object_id;
}
return 0;
}
/**
* Constructor.
*
* Sets up the WordPress query, if parameter is not empty.
*
* @since 1.5.0
* @access public
*
* @param string|array $query URL query string or array of vars.
*/
public function __construct($query = '') {
if ( ! empty($query) ) {
$this->query($query);
}
}
/**
* Make private properties readable for backwards compatibility.
*
* @since 4.0.0
* @access public
*
* @param string $name Property to get.
* @return mixed Property.
*/
public function __get( $name ) {
if ( in_array( $name, $this->compat_fields ) ) {
return $this->$name;
}
}
/**
* Make private properties checkable for backwards compatibility.
*
* @since 4.0.0
* @access public
*
* @param string $name Property to check if set.
* @return bool Whether the property is set.
*/
public function __isset( $name ) {
if ( in_array( $name, $this->compat_fields ) ) {
return isset( $this->$name );
}
}
/**
* Make private/protected methods readable for backwards compatibility.
*
* @since 4.0.0
* @access public
*
* @param callable $name Method to call.
* @param array $arguments Arguments to pass when calling.
* @return mixed|false Return value of the callback, false otherwise.
*/
public function __call( $name, $arguments ) {
if ( in_array( $name, $this->compat_methods ) ) {
return call_user_func_array( array( $this, $name ), $arguments );
}
return false;
}
/**
* Is the query for an existing archive page?
*
* Month, Year, Category, Author, Post Type archive...
*
* @since 3.1.0
*
* @return bool
*/
public function is_archive() {
return (bool) $this->is_archive;
}
/**
* Is the query for an existing post type archive page?
*
* @since 3.1.0
*
* @param mixed $post_types Optional. Post type or array of posts types to check against.
* @return bool
*/
public function is_post_type_archive( $post_types = '' ) {
if ( empty( $post_types ) || ! $this->is_post_type_archive )
return (bool) $this->is_post_type_archive;
$post_type = $this->get( 'post_type' );
if ( is_array( $post_type ) )
$post_type = reset( $post_type );
$post_type_object = get_post_type_object( $post_type );
return in_array( $post_type_object->name, (array) $post_types );
}
/**
* Is the query for an existing attachment page?
*
* @since 3.1.0
*
* @param mixed $attachment Attachment ID, title, slug, or array of such.
* @return bool
*/
public function is_attachment( $attachment = '' ) {
if ( ! $this->is_attachment ) {
return false;
}
if ( empty( $attachment ) ) {
return true;
}
$attachment = array_map( 'strval', (array) $attachment );
$post_obj = $this->get_queried_object();
if ( in_array( (string) $post_obj->ID, $attachment ) ) {
return true;
} elseif ( in_array( $post_obj->post_title, $attachment ) ) {
return true;
} elseif ( in_array( $post_obj->post_name, $attachment ) ) {
return true;
}
return false;
}
/**
* Is the query for an existing author archive page?
*
* If the $author parameter is specified, this function will additionally
* check if the query is for one of the authors specified.
*
* @since 3.1.0
*
* @param mixed $author Optional. User ID, nickname, nicename, or array of User IDs, nicknames, and nicenames
* @return bool
*/
public function is_author( $author = '' ) {
if ( !$this->is_author )
return false;
if ( empty($author) )
return true;
$author_obj = $this->get_queried_object();
$author = array_map( 'strval', (array) $author );
if ( in_array( (string) $author_obj->ID, $author ) )
return true;
elseif ( in_array( $author_obj->nickname, $author ) )
return true;
elseif ( in_array( $author_obj->user_nicename, $author ) )
return true;
return false;
}
/**
* Is the query for an existing category archive page?
*
* If the $category parameter is specified, this function will additionally
* check if the query is for one of the categories specified.
*
* @since 3.1.0
*
* @param mixed $category Optional. Category ID, name, slug, or array of Category IDs, names, and slugs.
* @return bool
*/
public function is_category( $category = '' ) {
if ( !$this->is_category )
return false;
if ( empty($category) )
return true;
$cat_obj = $this->get_queried_object();
$category = array_map( 'strval', (array) $category );
if ( in_array( (string) $cat_obj->term_id, $category ) )
return true;
elseif ( in_array( $cat_obj->name, $category ) )
return true;
elseif ( in_array( $cat_obj->slug, $category ) )
return true;
return false;
}
/**
* Is the query for an existing tag archive page?
*
* If the $tag parameter is specified, this function will additionally
* check if the query is for one of the tags specified.
*
* @since 3.1.0
*
* @param mixed $tag Optional. Tag ID, name, slug, or array of Tag IDs, names, and slugs.
* @return bool
*/
public function is_tag( $tag = '' ) {
if ( ! $this->is_tag )
return false;
if ( empty( $tag ) )
return true;
$tag_obj = $this->get_queried_object();
$tag = array_map( 'strval', (array) $tag );
if ( in_array( (string) $tag_obj->term_id, $tag ) )
return true;
elseif ( in_array( $tag_obj->name, $tag ) )
return true;
elseif ( in_array( $tag_obj->slug, $tag ) )
return true;
return false;
}
/**
* Is the query for an existing taxonomy archive page?
*
* If the $taxonomy parameter is specified, this function will additionally
* check if the query is for that specific $taxonomy.
*
* If the $term parameter is specified in addition to the $taxonomy parameter,
* this function will additionally check if the query is for one of the terms
* specified.
*
* @since 3.1.0
*
* @global array $wp_taxonomies
*
* @param mixed $taxonomy Optional. Taxonomy slug or slugs.
* @param mixed $term Optional. Term ID, name, slug or array of Term IDs, names, and slugs.
* @return bool
*/
public function is_tax( $taxonomy = '', $term = '' ) {
global $wp_taxonomies;
if ( !$this->is_tax )
return false;
if ( empty( $taxonomy ) )
return true;
$queried_object = $this->get_queried_object();
$tax_array = array_intersect( array_keys( $wp_taxonomies ), (array) $taxonomy );
$term_array = (array) $term;
// Check that the taxonomy matches.
if ( ! ( isset( $queried_object->taxonomy ) && count( $tax_array ) && in_array( $queried_object->taxonomy, $tax_array ) ) )
return false;
// Only a Taxonomy provided.
if ( empty( $term ) )
return true;
return isset( $queried_object->term_id ) &&
count( array_intersect(
array( $queried_object->term_id, $queried_object->name, $queried_object->slug ),
$term_array
) );
}
/**
* Whether the current URL is within the comments popup window.
*
* @since 3.1.0
* @deprecated 4.5.0
*
* @return bool
*/
public function is_comments_popup() {
_deprecated_function( __FUNCTION__, '4.5' );
return false;
}
/**
* Is the query for an existing date archive?
*
* @since 3.1.0
*
* @return bool
*/
public function is_date() {
return (bool) $this->is_date;
}
/**
* Is the query for an existing day archive?
*
* @since 3.1.0
*
* @return bool
*/
public function is_day() {
return (bool) $this->is_day;
}
/**
* Is the query for a feed?
*
* @since 3.1.0
*
* @param string|array $feeds Optional feed types to check.
* @return bool
*/
public function is_feed( $feeds = '' ) {
if ( empty( $feeds ) || ! $this->is_feed )
return (bool) $this->is_feed;
$qv = $this->get( 'feed' );
if ( 'feed' == $qv )
$qv = get_default_feed();
return in_array( $qv, (array) $feeds );
}
/**
* Is the query for a comments feed?
*
* @since 3.1.0
*
* @return bool
*/
public function is_comment_feed() {
return (bool) $this->is_comment_feed;
}
/**
* Is the query for the front page of the site?
*
* This is for what is displayed at your site's main URL.
*
* Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_on_front'.
*
* If you set a static page for the front page of your site, this function will return
* true when viewing that page.
*
* Otherwise the same as @see WP_Query::is_home()
*
* @since 3.1.0
*
* @return bool True, if front of site.
*/
public function is_front_page() {
// most likely case
if ( 'posts' == get_option( 'show_on_front') && $this->is_home() )
return true;
elseif ( 'page' == get_option( 'show_on_front') && get_option( 'page_on_front' ) && $this->is_page( get_option( 'page_on_front' ) ) )
return true;
else
return false;
}
/**
* Is the query for the blog homepage?
*
* This is the page which shows the time based blog content of your site.
*
* Depends on the site's "Front page displays" Reading Settings 'show_on_front' and 'page_for_posts'.
*
* If you set a static page for the front page of your site, this function will return
* true only on the page you set as the "Posts page".
*
* @see WP_Query::is_front_page()
*
* @since 3.1.0
*
* @return bool True if blog view homepage.
*/
public function is_home() {
return (bool) $this->is_home;
}
/**
* Is the query for an existing month archive?
*
* @since 3.1.0
*
* @return bool
*/
public function is_month() {
return (bool) $this->is_month;
}
/**
* Is the query for an existing single page?
*
* If the $page parameter is specified, this function will additionally
* check if the query is for one of the pages specified.
*
* @see WP_Query::is_single()
* @see WP_Query::is_singular()
*
* @since 3.1.0
*
* @param int|string|array $page Optional. Page ID, title, slug, path, or array of such. Default empty.
* @return bool Whether the query is for an existing single page.
*/
public function is_page( $page = '' ) {
if ( !$this->is_page )
return false;
if ( empty( $page ) )
return true;
$page_obj = $this->get_queried_object();
$page = array_map( 'strval', (array) $page );
if ( in_array( (string) $page_obj->ID, $page ) ) {
return true;
} elseif ( in_array( $page_obj->post_title, $page ) ) {
return true;
} elseif ( in_array( $page_obj->post_name, $page ) ) {
return true;
} else {
foreach ( $page as $pagepath ) {
if ( ! strpos( $pagepath, '/' ) ) {
continue;
}
$pagepath_obj = get_page_by_path( $pagepath );
if ( $pagepath_obj && ( $pagepath_obj->ID == $page_obj->ID ) ) {
return true;
}
}
}
return false;
}
/**
* Is the query for paged result and not for the first page?
*
* @since 3.1.0
*
* @return bool
*/
public function is_paged() {
return (bool) $this->is_paged;
}
/**
* Is the query for a post or page preview?
*
* @since 3.1.0
*
* @return bool
*/
public function is_preview() {
return (bool) $this->is_preview;
}
/**
* Is the query for the robots file?
*
* @since 3.1.0
*
* @return bool
*/
public function is_robots() {
return (bool) $this->is_robots;
}
/**
* Is the query for a search?
*
* @since 3.1.0
*
* @return bool
*/
public function is_search() {
return (bool) $this->is_search;
}
/**
* Is the query for an existing single post?
*
* Works for any post type, except attachments and pages
*
* If the $post parameter is specified, this function will additionally
* check if the query is for one of the Posts specified.
*
* @see WP_Query::is_page()
* @see WP_Query::is_singular()
*
* @since 3.1.0
*
* @param int|string|array $post Optional. Post ID, title, slug, path, or array of such. Default empty.
* @return bool Whether the query is for an existing single post.
*/
public function is_single( $post = '' ) {
if ( !$this->is_single )
return false;
if ( empty($post) )
return true;
$post_obj = $this->get_queried_object();
$post = array_map( 'strval', (array) $post );
if ( in_array( (string) $post_obj->ID, $post ) ) {
return true;
} elseif ( in_array( $post_obj->post_title, $post ) ) {
return true;
} elseif ( in_array( $post_obj->post_name, $post ) ) {
return true;
} else {
foreach ( $post as $postpath ) {
if ( ! strpos( $postpath, '/' ) ) {
continue;
}
$postpath_obj = get_page_by_path( $postpath, OBJECT, $post_obj->post_type );
if ( $postpath_obj && ( $postpath_obj->ID == $post_obj->ID ) ) {
return true;
}
}
}
return false;
}
/**
* Is the query for an existing single post of any post type (post, attachment, page, ... )?
*
* If the $post_types parameter is specified, this function will additionally
* check if the query is for one of the Posts Types specified.
*
* @see WP_Query::is_page()
* @see WP_Query::is_single()
*
* @since 3.1.0
*
* @param string|array $post_types Optional. Post type or array of post types. Default empty.
* @return bool Whether the query is for an existing single post of any of the given post types.
*/
public function is_singular( $post_types = '' ) {
if ( empty( $post_types ) || !$this->is_singular )
return (bool) $this->is_singular;
$post_obj = $this->get_queried_object();
return in_array( $post_obj->post_type, (array) $post_types );
}
/**
* Is the query for a specific time?
*
* @since 3.1.0
*
* @return bool
*/
public function is_time() {
return (bool) $this->is_time;
}
/**
* Is the query for a trackback endpoint call?
*
* @since 3.1.0
*
* @return bool
*/
public function is_trackback() {
return (bool) $this->is_trackback;
}
/**
* Is the query for an existing year archive?
*
* @since 3.1.0
*
* @return bool
*/
public function is_year() {
return (bool) $this->is_year;
}
/**
* Is the query a 404 (returns no results)?
*
* @since 3.1.0
*
* @return bool
*/
public function is_404() {
return (bool) $this->is_404;
}
/**
* Is the query for an embedded post?
*
* @since 4.4.0
*
* @return bool
*/
public function is_embed() {
return (bool) $this->is_embed;
}
/**
* Is the query the main query?
*
* @since 3.3.0
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @return bool
*/
public function is_main_query() {
global $wp_the_query;
return $wp_the_query === $this;
}
/**
* Set up global post data.
*
* @since 4.1.0
* @since 4.4.0 Added the ability to pass a post ID to `$post`.
*
* @global int $id
* @global WP_User $authordata
* @global string|int|bool $currentday
* @global string|int|bool $currentmonth
* @global int $page
* @global array $pages
* @global int $multipage
* @global int $more
* @global int $numpages
*
* @param WP_Post|object|int $post WP_Post instance or Post ID/object.
* @return true True when finished.
*/
public function setup_postdata( $post ) {
global $id, $authordata, $currentday, $currentmonth, $page, $pages, $multipage, $more, $numpages;
if ( ! ( $post instanceof WP_Post ) ) {
$post = get_post( $post );
}
if ( ! $post ) {
return;
}
$id = (int) $post->ID;
$authordata = get_userdata($post->post_author);
$currentday = mysql2date('d.m.y', $post->post_date, false);
$currentmonth = mysql2date('m', $post->post_date, false);
$numpages = 1;
$multipage = 0;
$page = $this->get( 'page' );
if ( ! $page )
$page = 1;
/*
* Force full post content when viewing the permalink for the $post,
* or when on an RSS feed. Otherwise respect the 'more' tag.
*/
if ( $post->ID === get_queried_object_id() && ( $this->is_page() || $this->is_single() ) ) {
$more = 1;
} elseif ( $this->is_feed() ) {
$more = 1;
} else {
$more = 0;
}
$content = $post->post_content;
if ( false !== strpos( $content, '<!--nextpage-->' ) ) {
$content = str_replace( "\n<!--nextpage-->\n", '<!--nextpage-->', $content );
$content = str_replace( "\n<!--nextpage-->", '<!--nextpage-->', $content );
$content = str_replace( "<!--nextpage-->\n", '<!--nextpage-->', $content );
// Ignore nextpage at the beginning of the content.
if ( 0 === strpos( $content, '<!--nextpage-->' ) )
$content = substr( $content, 15 );
$pages = explode('<!--nextpage-->', $content);
} else {
$pages = array( $post->post_content );
}
/**
* Filter the "pages" derived from splitting the post content.
*
* "Pages" are determined by splitting the post content based on the presence
* of `<!-- nextpage -->` tags.
*
* @since 4.4.0
*
* @param array $pages Array of "pages" derived from the post content.
* of `<!-- nextpage -->` tags..
* @param WP_Post $post Current post object.
*/
$pages = apply_filters( 'content_pagination', $pages, $post );
$numpages = count( $pages );
if ( $numpages > 1 ) {
if ( $page > 1 ) {
$more = 1;
}
$multipage = 1;
} else {
$multipage = 0;
}
/**
* Fires once the post data has been setup.
*
* @since 2.8.0
* @since 4.1.0 Introduced `$this` parameter.
*
* @param WP_Post &$post The Post object (passed by reference).
* @param WP_Query &$this The current Query object (passed by reference).
*/
do_action_ref_array( 'the_post', array( &$post, &$this ) );
return true;
}
/**
* After looping through a nested query, this function
* restores the $post global to the current post in this query.
*
* @since 3.7.0
*
* @global WP_Post $post
*/
public function reset_postdata() {
if ( ! empty( $this->post ) ) {
$GLOBALS['post'] = $this->post;
$this->setup_postdata( $this->post );
}
}
/**
* Lazyload term meta for posts in the loop.
*
* @since 4.4.0
* @deprecated 4.5.0 See wp_queue_posts_for_term_meta_lazyload().
*
* @param mixed $check
* @param int $term_id
* @return mixed
*/
public function lazyload_term_meta( $check, $term_id ) {
_deprecated_function( __METHOD__, '4.5.0' );
return $check;
}
/**
* Lazyload comment meta for comments in the loop.
*
* @since 4.4.0
* @deprecated 4.5.0 See wp_queue_comments_for_comment_meta_lazyload().
*
* @param mixed $check
* @param int $comment_id
* @return mixed
*/
public function lazyload_comment_meta( $check, $comment_id ) {
_deprecated_function( __METHOD__, '4.5.0' );
return $check;
}
}
/**
* Redirect old slugs to the correct permalink.
*
* Attempts to find the current slug from the past slugs.
*
* @since 2.1.0
*
* @global WP_Query $wp_query Global WP_Query instance.
* @global wpdb $wpdb WordPress database abstraction object.
*/
function wp_old_slug_redirect() {
global $wp_query;
if ( is_404() && '' !== $wp_query->query_vars['name'] ) :
global $wpdb;
// Guess the current post_type based on the query vars.
if ( get_query_var( 'post_type' ) ) {
$post_type = get_query_var( 'post_type' );
} elseif ( get_query_var( 'attachment' ) ) {
$post_type = 'attachment';
} elseif ( ! empty( $wp_query->query_vars['pagename'] ) ) {
$post_type = 'page';
} else {
$post_type = 'post';
}
if ( is_array( $post_type ) ) {
if ( count( $post_type ) > 1 )
return;
$post_type = reset( $post_type );
}
// Do not attempt redirect for hierarchical post types
if ( is_post_type_hierarchical( $post_type ) )
return;
$query = $wpdb->prepare("SELECT post_id FROM $wpdb->postmeta, $wpdb->posts WHERE ID = post_id AND post_type = %s AND meta_key = '_wp_old_slug' AND meta_value = %s", $post_type, $wp_query->query_vars['name']);
// if year, monthnum, or day have been specified, make our query more precise
// just in case there are multiple identical _wp_old_slug values
if ( '' != $wp_query->query_vars['year'] )
$query .= $wpdb->prepare(" AND YEAR(post_date) = %d", $wp_query->query_vars['year']);
if ( '' != $wp_query->query_vars['monthnum'] )
$query .= $wpdb->prepare(" AND MONTH(post_date) = %d", $wp_query->query_vars['monthnum']);
if ( '' != $wp_query->query_vars['day'] )
$query .= $wpdb->prepare(" AND DAYOFMONTH(post_date) = %d", $wp_query->query_vars['day']);
$id = (int) $wpdb->get_var($query);
if ( ! $id )
return;
$link = get_permalink( $id );
if ( isset( $GLOBALS['wp_query']->query_vars['paged'] ) && $GLOBALS['wp_query']->query_vars['paged'] > 1 ) {
$link = user_trailingslashit( trailingslashit( $link ) . 'page/' . $GLOBALS['wp_query']->query_vars['paged'] );
} elseif( is_embed() ) {
$link = user_trailingslashit( trailingslashit( $link ) . 'embed' );
}
/**
* Filter the old slug redirect URL.
*
* @since 4.4.0
*
* @param string $link The redirect URL.
*/
$link = apply_filters( 'old_slug_redirect_url', $link );
if ( ! $link ) {
return;
}
wp_redirect( $link, 301 ); // Permanent redirect
exit;
endif;
}
/**
* Set up global post data.
*
* @since 1.5.0
* @since 4.4.0 Added the ability to pass a post ID to `$post`.
*
* @global WP_Query $wp_query Global WP_Query instance.
*
* @param WP_Post|object|int $post WP_Post instance or Post ID/object.
* @return bool True when finished.
*/
function setup_postdata( $post ) {
global $wp_query;
if ( ! empty( $wp_query ) && $wp_query instanceof WP_Query ) {
return $wp_query->setup_postdata( $post );
}
return false;
}