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<?php
/**
* WordPress Plugin Administration API
*
* @package WordPress
* @subpackage Administration
*/
/**
* Parses the plugin contents to retrieve plugin's metadata.
*
* The metadata of the plugin's data searches for the following in the plugin's
* header. All plugin data must be on its own line. For plugin description, it
* must not have any newlines or only parts of the description will be displayed
* and the same goes for the plugin data. The below is formatted for printing.
*
* /*
* Plugin Name: Name of Plugin
* Plugin URI: Link to plugin information
* Description: Plugin Description
* Author: Plugin author's name
* Author URI: Link to the author's web site
* Version: Must be set in the plugin for WordPress 2.3+
* Text Domain: Optional. Unique identifier, should be same as the one used in
* load_plugin_textdomain()
* Domain Path: Optional. Only useful if the translations are located in a
* folder above the plugin's base path. For example, if .mo files are
* located in the locale folder then Domain Path will be "/locale/" and
* must have the first slash. Defaults to the base folder the plugin is
* located in.
* Network: Optional. Specify "Network: true" to require that a plugin is activated
* across all sites in an installation. This will prevent a plugin from being
* activated on a single site when Multisite is enabled.
* * / # Remove the space to close comment
*
* Some users have issues with opening large files and manipulating the contents
* for want is usually the first 1kiB or 2kiB. This function stops pulling in
* the plugin contents when it has all of the required plugin data.
*
* The first 8kiB of the file will be pulled in and if the plugin data is not
* within that first 8kiB, then the plugin author should correct their plugin
* and move the plugin data headers to the top.
*
* The plugin file is assumed to have permissions to allow for scripts to read
* the file. This is not checked however and the file is only opened for
* reading.
*
* @since 1.5.0
*
* @param string $plugin_file Absolute path to the main plugin file.
* @param bool $markup Optional. If the returned data should have HTML markup applied.
* Default true.
* @param bool $translate Optional. If the returned data should be translated. Default true.
* @return array {
* Plugin data. Values will be empty if not supplied by the plugin.
*
* @type string $Name Name of the plugin. Should be unique.
* @type string $Title Title of the plugin and link to the plugin's site (if set).
* @type string $Description Plugin description.
* @type string $Author Author's name.
* @type string $AuthorURI Author's website address (if set).
* @type string $Version Plugin version.
* @type string $TextDomain Plugin textdomain.
* @type string $DomainPath Plugins relative directory path to .mo files.
* @type bool $Network Whether the plugin can only be activated network-wide.
* }
*/
function get_plugin_data( $plugin_file, $markup = true, $translate = true ) {
$default_headers = array(
'Name' => 'Plugin Name',
'PluginURI' => 'Plugin URI',
'Version' => 'Version',
'Description' => 'Description',
'Author' => 'Author',
'AuthorURI' => 'Author URI',
'TextDomain' => 'Text Domain',
'DomainPath' => 'Domain Path',
'Network' => 'Network',
// Site Wide Only is deprecated in favor of Network.
'_sitewide' => 'Site Wide Only',
);
$plugin_data = get_file_data( $plugin_file, $default_headers, 'plugin' );
// Site Wide Only is the old header for Network
if ( ! $plugin_data['Network'] && $plugin_data['_sitewide'] ) {
/* translators: 1: Site Wide Only: true, 2: Network: true */
_deprecated_argument( __FUNCTION__, '3.0.0', sprintf( __( 'The %1$s plugin header is deprecated. Use %2$s instead.' ), '<code>Site Wide Only: true</code>', '<code>Network: true</code>' ) );
$plugin_data['Network'] = $plugin_data['_sitewide'];
}
$plugin_data['Network'] = ( 'true' == strtolower( $plugin_data['Network'] ) );
unset( $plugin_data['_sitewide'] );
// If no text domain is defined fall back to the plugin slug.
if ( ! $plugin_data['TextDomain'] ) {
$plugin_slug = dirname( plugin_basename( $plugin_file ) );
if ( '.' !== $plugin_slug && false === strpos( $plugin_slug, '/' ) ) {
$plugin_data['TextDomain'] = $plugin_slug;
}
}
if ( $markup || $translate ) {
$plugin_data = _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup, $translate );
} else {
$plugin_data['Title'] = $plugin_data['Name'];
$plugin_data['AuthorName'] = $plugin_data['Author'];
}
return $plugin_data;
}
/**
* Sanitizes plugin data, optionally adds markup, optionally translates.
*
* @since 2.7.0
*
* @see get_plugin_data()
*
* @access private
*
* @param string $plugin_file Path to the main plugin file.
* @param array $plugin_data An array of plugin data. See `get_plugin_data()`.
* @param bool $markup Optional. If the returned data should have HTML markup applied.
* Default true.
* @param bool $translate Optional. If the returned data should be translated. Default true.
* @return array {
* Plugin data. Values will be empty if not supplied by the plugin.
*
* @type string $Name Name of the plugin. Should be unique.
* @type string $Title Title of the plugin and link to the plugin's site (if set).
* @type string $Description Plugin description.
* @type string $Author Author's name.
* @type string $AuthorURI Author's website address (if set).
* @type string $Version Plugin version.
* @type string $TextDomain Plugin textdomain.
* @type string $DomainPath Plugins relative directory path to .mo files.
* @type bool $Network Whether the plugin can only be activated network-wide.
* }
*/
function _get_plugin_data_markup_translate( $plugin_file, $plugin_data, $markup = true, $translate = true ) {
// Sanitize the plugin filename to a WP_PLUGIN_DIR relative path
$plugin_file = plugin_basename( $plugin_file );
// Translate fields
if ( $translate ) {
if ( $textdomain = $plugin_data['TextDomain'] ) {
if ( ! is_textdomain_loaded( $textdomain ) ) {
if ( $plugin_data['DomainPath'] ) {
load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) . $plugin_data['DomainPath'] );
} else {
load_plugin_textdomain( $textdomain, false, dirname( $plugin_file ) );
}
}
} elseif ( 'hello.php' == basename( $plugin_file ) ) {
$textdomain = 'default';
}
if ( $textdomain ) {
foreach ( array( 'Name', 'PluginURI', 'Description', 'Author', 'AuthorURI', 'Version' ) as $field ) {
// phpcs:ignore WordPress.WP.I18n.LowLevelTranslationFunction,WordPress.WP.I18n.NonSingularStringLiteralText,WordPress.WP.I18n.NonSingularStringLiteralDomain
$plugin_data[ $field ] = translate( $plugin_data[ $field ], $textdomain );
}
}
}
// Sanitize fields
$allowed_tags_in_links = array(
'abbr' => array( 'title' => true ),
'acronym' => array( 'title' => true ),
'code' => true,
'em' => true,
'strong' => true,
);
$allowed_tags = $allowed_tags_in_links;
$allowed_tags['a'] = array(
'href' => true,
'title' => true,
);
// Name is marked up inside <a> tags. Don't allow these.
// Author is too, but some plugins have used <a> here (omitting Author URI).
$plugin_data['Name'] = wp_kses( $plugin_data['Name'], $allowed_tags_in_links );
$plugin_data['Author'] = wp_kses( $plugin_data['Author'], $allowed_tags );
$plugin_data['Description'] = wp_kses( $plugin_data['Description'], $allowed_tags );
$plugin_data['Version'] = wp_kses( $plugin_data['Version'], $allowed_tags );
$plugin_data['PluginURI'] = esc_url( $plugin_data['PluginURI'] );
$plugin_data['AuthorURI'] = esc_url( $plugin_data['AuthorURI'] );
$plugin_data['Title'] = $plugin_data['Name'];
$plugin_data['AuthorName'] = $plugin_data['Author'];
// Apply markup
if ( $markup ) {
if ( $plugin_data['PluginURI'] && $plugin_data['Name'] ) {
$plugin_data['Title'] = '<a href="' . $plugin_data['PluginURI'] . '">' . $plugin_data['Name'] . '</a>';
}
if ( $plugin_data['AuthorURI'] && $plugin_data['Author'] ) {
$plugin_data['Author'] = '<a href="' . $plugin_data['AuthorURI'] . '">' . $plugin_data['Author'] . '</a>';
}
$plugin_data['Description'] = wptexturize( $plugin_data['Description'] );
if ( $plugin_data['Author'] ) {
$plugin_data['Description'] .= ' <cite>' . sprintf( __( 'By %s.' ), $plugin_data['Author'] ) . '</cite>';
}
}
return $plugin_data;
}
/**
* Get a list of a plugin's files.
*
* @since 2.8.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return array List of files relative to the plugin root.
*/
function get_plugin_files( $plugin ) {
$plugin_file = WP_PLUGIN_DIR . '/' . $plugin;
$dir = dirname( $plugin_file );
$plugin_files = array( plugin_basename( $plugin_file ) );
if ( is_dir( $dir ) && WP_PLUGIN_DIR !== $dir ) {
/**
* Filters the array of excluded directories and files while scanning the folder.
*
* @since 4.9.0
*
* @param string[] $exclusions Array of excluded directories and files.
*/
$exclusions = (array) apply_filters( 'plugin_files_exclusions', array( 'CVS', 'node_modules', 'vendor', 'bower_components' ) );
$list_files = list_files( $dir, 100, $exclusions );
$list_files = array_map( 'plugin_basename', $list_files );
$plugin_files = array_merge( $plugin_files, $list_files );
$plugin_files = array_values( array_unique( $plugin_files ) );
}
return $plugin_files;
}
/**
* Check the plugins directory and retrieve all plugin files with plugin data.
*
* WordPress only supports plugin files in the base plugins directory
* (wp-content/plugins) and in one directory above the plugins directory
* (wp-content/plugins/my-plugin). The file it looks for has the plugin data
* and must be found in those two locations. It is recommended to keep your
* plugin files in their own directories.
*
* The file with the plugin data is the file that will be included and therefore
* needs to have the main execution for the plugin. This does not mean
* everything must be contained in the file and it is recommended that the file
* be split for maintainability. Keep everything in one file for extreme
* optimization purposes.
*
* @since 1.5.0
*
* @param string $plugin_folder Optional. Relative path to single plugin folder.
* @return array Key is the plugin file path and the value is an array of the plugin data.
*/
function get_plugins( $plugin_folder = '' ) {
$cache_plugins = wp_cache_get( 'plugins', 'plugins' );
if ( ! $cache_plugins ) {
$cache_plugins = array();
}
if ( isset( $cache_plugins[ $plugin_folder ] ) ) {
return $cache_plugins[ $plugin_folder ];
}
$wp_plugins = array();
$plugin_roots = array(SP_PLUGIN_DIR, WP_PLUGIN_DIR);
foreach( $plugin_roots as $plugin_root) {
if ( ! empty( $plugin_folder ) ) {
$plugin_root .= $plugin_folder;
}
// Files in wp-content/plugins directory
$plugins_dir = @ opendir( $plugin_root );
$plugin_files = array();
if ( $plugins_dir ) {
while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
if ( substr( $file, 0, 1 ) == '.' ) {
continue;
}
if ( is_dir( $plugin_root . '/' . $file ) ) {
$plugins_subdir = @ opendir( $plugin_root . '/' . $file );
if ( $plugins_subdir ) {
while ( ( $subfile = readdir( $plugins_subdir ) ) !== false ) {
if ( substr( $subfile, 0, 1 ) == '.' ) {
continue;
}
if ( substr( $subfile, -4 ) == '.php' ) {
$plugin_files[] = "$file/$subfile";
}
}
closedir( $plugins_subdir );
}
} else {
if ( substr( $file, -4 ) == '.php' ) {
$plugin_files[] = $file;
}
}
}
closedir( $plugins_dir );
}
if ( empty( $plugin_files ) ) {
continue;
}
foreach ( $plugin_files as $plugin_file ) {
if ( ! is_readable( "$plugin_root/$plugin_file" ) ) {
continue;
}
$plugin_data = get_plugin_data( "$plugin_root/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached.
if ( empty( $plugin_data['Name'] ) ) {
continue;
}
$wp_plugins[ plugin_basename( $plugin_file ) ] = $plugin_data;
}
uasort( $wp_plugins, '_sort_uname_callback' );
$cache_plugins[ $plugin_folder ] = $wp_plugins;
wp_cache_set( 'plugins', $cache_plugins, 'plugins' );
}
return $wp_plugins;
}
/**
* Check the mu-plugins directory and retrieve all mu-plugin files with any plugin data.
*
* WordPress only includes mu-plugin files in the base mu-plugins directory (wp-content/mu-plugins).
*
* @since 3.0.0
* @return array Key is the mu-plugin file path and the value is an array of the mu-plugin data.
*/
function get_mu_plugins() {
$wp_plugins = array();
// Files in wp-content/mu-plugins directory
$plugin_files = array();
if ( ! is_dir( WPMU_PLUGIN_DIR ) ) {
return $wp_plugins;
}
if ( $plugins_dir = @ opendir( WPMU_PLUGIN_DIR ) ) {
while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
if ( substr( $file, -4 ) == '.php' ) {
$plugin_files[] = $file;
}
}
} else {
return $wp_plugins;
}
@closedir( $plugins_dir );
if ( empty( $plugin_files ) ) {
return $wp_plugins;
}
foreach ( $plugin_files as $plugin_file ) {
if ( ! is_readable( WPMU_PLUGIN_DIR . "/$plugin_file" ) ) {
continue;
}
$plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached.
if ( empty( $plugin_data['Name'] ) ) {
$plugin_data['Name'] = $plugin_file;
}
$wp_plugins[ $plugin_file ] = $plugin_data;
}
if ( isset( $wp_plugins['index.php'] ) && filesize( WPMU_PLUGIN_DIR . '/index.php' ) <= 30 ) { // silence is golden
unset( $wp_plugins['index.php'] );
}
uasort( $wp_plugins, '_sort_uname_callback' );
return $wp_plugins;
}
/**
* Callback to sort array by a 'Name' key.
*
* @since 3.1.0
*
* @access private
*
* @param array $a array with 'Name' key.
* @param array $b array with 'Name' key.
* @return int Return 0 or 1 based on two string comparison.
*/
function _sort_uname_callback( $a, $b ) {
return strnatcasecmp( $a['Name'], $b['Name'] );
}
/**
* Check the wp-content directory and retrieve all drop-ins with any plugin data.
*
* @since 3.0.0
* @return array Key is the file path and the value is an array of the plugin data.
*/
function get_dropins() {
$dropins = array();
$plugin_files = array();
$_dropins = _get_dropins();
// These exist in the wp-content directory
if ( $plugins_dir = @ opendir( WP_CONTENT_DIR ) ) {
while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
if ( isset( $_dropins[ $file ] ) ) {
$plugin_files[] = $file;
}
}
} else {
return $dropins;
}
@closedir( $plugins_dir );
if ( empty( $plugin_files ) ) {
return $dropins;
}
foreach ( $plugin_files as $plugin_file ) {
if ( ! is_readable( WP_CONTENT_DIR . "/$plugin_file" ) ) {
continue;
}
$plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$plugin_file", false, false ); //Do not apply markup/translate as it'll be cached.
if ( empty( $plugin_data['Name'] ) ) {
$plugin_data['Name'] = $plugin_file;
}
$dropins[ $plugin_file ] = $plugin_data;
}
uksort( $dropins, 'strnatcasecmp' );
return $dropins;
}
/**
* Returns drop-ins that WordPress uses.
*
* Includes Multisite drop-ins only when is_multisite()
*
* @since 3.0.0
* @return array Key is file name. The value is an array, with the first value the
* purpose of the drop-in and the second value the name of the constant that must be
* true for the drop-in to be used, or true if no constant is required.
*/
function _get_dropins() {
$dropins = array(
'advanced-cache.php' => array( __( 'Advanced caching plugin.' ), 'WP_CACHE' ), // WP_CACHE
'db.php' => array( __( 'Custom database class.' ), true ), // auto on load
'db-error.php' => array( __( 'Custom database error message.' ), true ), // auto on error
'install.php' => array( __( 'Custom installation script.' ), true ), // auto on installation
'maintenance.php' => array( __( 'Custom maintenance message.' ), true ), // auto on maintenance
'object-cache.php' => array( __( 'External object cache.' ), true ), // auto on load
);
if ( is_multisite() ) {
$dropins['sunrise.php'] = array( __( 'Executed before Multisite is loaded.' ), 'SUNRISE' ); // SUNRISE
$dropins['blog-deleted.php'] = array( __( 'Custom site deleted message.' ), true ); // auto on deleted blog
$dropins['blog-inactive.php'] = array( __( 'Custom site inactive message.' ), true ); // auto on inactive blog
$dropins['blog-suspended.php'] = array( __( 'Custom site suspended message.' ), true ); // auto on archived or spammed blog
}
return $dropins;
}
/**
* Determines whether a plugin is active.
*
* Only plugins installed in the plugins/ folder can be active.
*
* Plugins in the mu-plugins/ folder can't be "activated," so this function will
* return false for those plugins.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 2.5.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return bool True, if in the active plugins list. False, not in the list.
*/
function is_plugin_active( $plugin ) {
return in_array( $plugin, (array) get_option( 'active_plugins', array() ) ) || is_plugin_active_for_network( $plugin );
}
/**
* Determines whether the plugin is inactive.
*
* Reverse of is_plugin_active(). Used as a callback.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 3.1.0
* @see is_plugin_active()
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return bool True if inactive. False if active.
*/
function is_plugin_inactive( $plugin ) {
return ! is_plugin_active( $plugin );
}
/**
* Determines whether the plugin is active for the entire network.
*
* Only plugins installed in the plugins/ folder can be active.
*
* Plugins in the mu-plugins/ folder can't be "activated," so this function will
* return false for those plugins.
*
* For more information on this and similar theme functions, check out
* the {@link https://developer.wordpress.org/themes/basics/conditional-tags/
* Conditional Tags} article in the Theme Developer Handbook.
*
* @since 3.0.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return bool True if active for the network, otherwise false.
*/
function is_plugin_active_for_network( $plugin ) {
if ( ! is_multisite() ) {
return false;
}
$plugins = get_site_option( 'active_sitewide_plugins' );
if ( isset( $plugins[ $plugin ] ) ) {
return true;
}
return false;
}
/**
* Checks for "Network: true" in the plugin header to see if this should
* be activated only as a network wide plugin. The plugin would also work
* when Multisite is not enabled.
*
* Checks for "Site Wide Only: true" for backward compatibility.
*
* @since 3.0.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return bool True if plugin is network only, false otherwise.
*/
function is_network_only_plugin( $plugin ) {
$plugin_data = get_plugin_data( WP_PLUGIN_DIR . '/' . $plugin );
if ( $plugin_data ) {
return $plugin_data['Network'];
}
return false;
}
/**
* Attempts activation of plugin in a "sandbox" and redirects on success.
*
* A plugin that is already activated will not attempt to be activated again.
*
* The way it works is by setting the redirection to the error before trying to
* include the plugin file. If the plugin fails, then the redirection will not
* be overwritten with the success message. Also, the options will not be
* updated and the activation hook will not be called on plugin error.
*
* It should be noted that in no way the below code will actually prevent errors
* within the file. The code should not be used elsewhere to replicate the
* "sandbox", which uses redirection to work.
* {@source 13 1}
*
* If any errors are found or text is outputted, then it will be captured to
* ensure that the success redirection will update the error redirection.
*
* @since 2.5.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @param string $redirect Optional. URL to redirect to.
* @param bool $network_wide Optional. Whether to enable the plugin for all sites in the network
* or just the current site. Multisite only. Default false.
* @param bool $silent Optional. Whether to prevent calling activation hooks. Default false.
* @return WP_Error|null WP_Error on invalid file or null on success.
*/
function activate_plugin( $plugin, $redirect = '', $network_wide = false, $silent = false ) {
$plugin = plugin_basename( trim( $plugin ) );
if ( is_multisite() && ( $network_wide || is_network_only_plugin( $plugin ) ) ) {
$network_wide = true;
$current = get_site_option( 'active_sitewide_plugins', array() );
$_GET['networkwide'] = 1; // Back compat for plugins looking for this value.
} else {
$current = get_option( 'active_plugins', array() );
}
$valid = validate_plugin( $plugin );
if ( is_wp_error( $valid ) ) {
return $valid;
}
if ( ( $network_wide && ! isset( $current[ $plugin ] ) ) || ( ! $network_wide && ! in_array( $plugin, $current ) ) ) {
if ( ! empty( $redirect ) ) {
wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-activation-error_' . $plugin ), $redirect ) ); // we'll override this later if the plugin can be included without fatal error
}
ob_start();
wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
$_wp_plugin_file = $plugin;
$plugin_path = (file_exists(WP_PLUGIN_DIR . '/' . $plugin) ? WP_PLUGIN_DIR : SP_PLUGIN_DIR);
include_once( $plugin_path . '/' . $plugin );
$plugin = $_wp_plugin_file; // Avoid stomping of the $plugin variable in a plugin.
if ( ! $silent ) {
/**
* Fires before a plugin is activated.
*
* If a plugin is silently activated (such as during an update),
* this hook does not fire.
*
* @since 2.9.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @param bool $network_wide Whether to enable the plugin for all sites in the network
* or just the current site. Multisite only. Default is false.
*/
do_action( 'activate_plugin', $plugin, $network_wide );
/**
* Fires as a specific plugin is being activated.
*
* This hook is the "activation" hook used internally by register_activation_hook().
* The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
*
* If a plugin is silently activated (such as during an update), this hook does not fire.
*
* @since 2.0.0
*
* @param bool $network_wide Whether to enable the plugin for all sites in the network
* or just the current site. Multisite only. Default is false.
*/
do_action( "activate_{$plugin}", $network_wide );
}
if ( $network_wide ) {
$current = get_site_option( 'active_sitewide_plugins', array() );
$current[ $plugin ] = time();
update_site_option( 'active_sitewide_plugins', $current );
} else {
$current = get_option( 'active_plugins', array() );
$current[] = $plugin;
sort( $current );
update_option( 'active_plugins', $current );
}
if ( ! $silent ) {
/**
* Fires after a plugin has been activated.
*
* If a plugin is silently activated (such as during an update),
* this hook does not fire.
*
* @since 2.9.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @param bool $network_wide Whether to enable the plugin for all sites in the network
* or just the current site. Multisite only. Default is false.
*/
do_action( 'activated_plugin', $plugin, $network_wide );
}
if ( ob_get_length() > 0 ) {
$output = ob_get_clean();
return new WP_Error( 'unexpected_output', __( 'The plugin generated unexpected output.' ), $output );
}
ob_end_clean();
}
return null;
}
/**
* Deactivate a single plugin or multiple plugins.
*
* The deactivation hook is disabled by the plugin upgrader by using the $silent
* parameter.
*
* @since 2.5.0
*
* @param string|array $plugins Single plugin or list of plugins to deactivate.
* @param bool $silent Prevent calling deactivation hooks. Default is false.
* @param mixed $network_wide Whether to deactivate the plugin for all sites in the network.
* A value of null (the default) will deactivate plugins for both the site and the network.
*/
function deactivate_plugins( $plugins, $silent = false, $network_wide = null ) {
if ( is_multisite() ) {
$network_current = get_site_option( 'active_sitewide_plugins', array() );
}
$current = get_option( 'active_plugins', array() );
$do_blog = $do_network = false;
foreach ( (array) $plugins as $plugin ) {
$plugin = plugin_basename( trim( $plugin ) );
if ( ! is_plugin_active( $plugin ) ) {
continue;
}
$network_deactivating = false !== $network_wide && is_plugin_active_for_network( $plugin );
if ( ! $silent ) {
/**
* Fires before a plugin is deactivated.
*
* If a plugin is silently deactivated (such as during an update),
* this hook does not fire.
*
* @since 2.9.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network
* or just the current site. Multisite only. Default is false.
*/
do_action( 'deactivate_plugin', $plugin, $network_deactivating );
}
if ( false !== $network_wide ) {
if ( is_plugin_active_for_network( $plugin ) ) {
$do_network = true;
unset( $network_current[ $plugin ] );
} elseif ( $network_wide ) {
continue;
}
}
if ( true !== $network_wide ) {
$key = array_search( $plugin, $current );
if ( false !== $key ) {
$do_blog = true;
unset( $current[ $key ] );
}
}
if ( ! $silent ) {
/**
* Fires as a specific plugin is being deactivated.
*
* This hook is the "deactivation" hook used internally by register_deactivation_hook().
* The dynamic portion of the hook name, `$plugin`, refers to the plugin basename.
*
* If a plugin is silently deactivated (such as during an update), this hook does not fire.
*
* @since 2.0.0
*
* @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network
* or just the current site. Multisite only. Default is false.
*/
do_action( "deactivate_{$plugin}", $network_deactivating );
/**
* Fires after a plugin is deactivated.
*
* If a plugin is silently deactivated (such as during an update),
* this hook does not fire.
*
* @since 2.9.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @param bool $network_deactivating Whether the plugin is deactivated for all sites in the network.
* or just the current site. Multisite only. Default false.
*/
do_action( 'deactivated_plugin', $plugin, $network_deactivating );
}
}
if ( $do_blog ) {
update_option( 'active_plugins', $current );
}
if ( $do_network ) {
update_site_option( 'active_sitewide_plugins', $network_current );
}
}
/**
* Activate multiple plugins.
*
* When WP_Error is returned, it does not mean that one of the plugins had
* errors. It means that one or more of the plugins file path was invalid.
*
* The execution will be halted as soon as one of the plugins has an error.
*
* @since 2.6.0
*
* @param string|array $plugins Single plugin or list of plugins to activate.
* @param string $redirect Redirect to page after successful activation.
* @param bool $network_wide Whether to enable the plugin for all sites in the network.
* @param bool $silent Prevent calling activation hooks. Default is false.
* @return bool|WP_Error True when finished or WP_Error if there were errors during a plugin activation.
*/
function activate_plugins( $plugins, $redirect = '', $network_wide = false, $silent = false ) {
if ( ! is_array( $plugins ) ) {
$plugins = array( $plugins );
}
$errors = array();
foreach ( $plugins as $plugin ) {
if ( ! empty( $redirect ) ) {
$redirect = add_query_arg( 'plugin', $plugin, $redirect );
}
$result = activate_plugin( $plugin, $redirect, $network_wide, $silent );
if ( is_wp_error( $result ) ) {
$errors[ $plugin ] = $result;
}
}
if ( ! empty( $errors ) ) {
return new WP_Error( 'plugins_invalid', __( 'One of the plugins is invalid.' ), $errors );
}
return true;
}
/**
* Remove directory and files of a plugin for a list of plugins.
*
* @since 2.6.0
*
* @global WP_Filesystem_Base $wp_filesystem WordPress filesystem subclass.
*
* @param string[] $plugins List of plugin paths to delete, relative to the plugins directory.
* @param string $deprecated Not used.
* @return bool|null|WP_Error True on success, false if `$plugins` is empty, `WP_Error` on failure.
* `null` if filesystem credentials are required to proceed.
*/
function delete_plugins( $plugins, $deprecated = '' ) {
global $wp_filesystem;
if ( empty( $plugins ) ) {
return false;
}
$checked = array();
foreach ( $plugins as $plugin ) {
$checked[] = 'checked[]=' . $plugin;
}
$url = wp_nonce_url( 'plugins.php?action=delete-selected&verify-delete=1&' . implode( '&', $checked ), 'bulk-plugins' );
ob_start();
$credentials = request_filesystem_credentials( $url );
$data = ob_get_clean();
if ( false === $credentials ) {
if ( ! empty( $data ) ) {
include_once( ABSPATH . 'site-admin/admin-header.php' );
echo $data;
include( ABSPATH . 'site-admin/admin-footer.php' );
exit;
}
return;
}
if ( ! WP_Filesystem( $credentials ) ) {
ob_start();
request_filesystem_credentials( $url, '', true ); // Failed to connect, Error and request again.
$data = ob_get_clean();
if ( ! empty( $data ) ) {
include_once( ABSPATH . 'site-admin/admin-header.php' );
echo $data;
include( ABSPATH . 'site-admin/admin-footer.php' );
exit;
}
return;
}
if ( ! is_object( $wp_filesystem ) ) {
return new WP_Error( 'fs_unavailable', __( 'Could not access filesystem.' ) );
}
if ( is_wp_error( $wp_filesystem->errors ) && $wp_filesystem->errors->has_errors() ) {
return new WP_Error( 'fs_error', __( 'Filesystem error.' ), $wp_filesystem->errors );
}
// Get the base plugin folder.
$plugins_dir = $wp_filesystem->wp_plugins_dir();
if ( empty( $plugins_dir ) ) {
return new WP_Error( 'fs_no_plugins_dir', __( 'Unable to locate WordPress plugin directory.' ) );
}
$plugins_dir = trailingslashit( $plugins_dir );
$plugin_translations = wp_get_installed_translations( 'plugins' );
$errors = array();
foreach ( $plugins as $plugin_file ) {
// Run Uninstall hook.
if ( is_uninstallable_plugin( $plugin_file ) ) {
uninstall_plugin( $plugin_file );
}
/**
* Fires immediately before a plugin deletion attempt.
*
* @since 4.4.0
*
* @param string $plugin_file Path to the plugin file relative to the plugins directory.
*/
do_action( 'delete_plugin', $plugin_file );
$this_plugin_dir = trailingslashit( dirname( $plugins_dir . $plugin_file ) );
// If plugin is in its own directory, recursively delete the directory.
if ( strpos( $plugin_file, '/' ) && $this_plugin_dir != $plugins_dir ) { //base check on if plugin includes directory separator AND that it's not the root plugin folder
$deleted = $wp_filesystem->delete( $this_plugin_dir, true );
} else {
$deleted = $wp_filesystem->delete( $plugins_dir . $plugin_file );
}
/**
* Fires immediately after a plugin deletion attempt.
*
* @since 4.4.0
*
* @param string $plugin_file Path to the plugin file relative to the plugins directory.
* @param bool $deleted Whether the plugin deletion was successful.
*/
do_action( 'deleted_plugin', $plugin_file, $deleted );
if ( ! $deleted ) {
$errors[] = $plugin_file;
continue;
}
// Remove language files, silently.
$plugin_slug = dirname( $plugin_file );
if ( '.' !== $plugin_slug && ! empty( $plugin_translations[ $plugin_slug ] ) ) {
$translations = $plugin_translations[ $plugin_slug ];
foreach ( $translations as $translation => $data ) {
$wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.po' );
$wp_filesystem->delete( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '.mo' );
$json_translation_files = glob( WP_LANG_DIR . '/plugins/' . $plugin_slug . '-' . $translation . '-*.json' );
if ( $json_translation_files ) {
array_map( array( $wp_filesystem, 'delete' ), $json_translation_files );
}
}
}
}
// Remove deleted plugins from the plugin updates list.
if ( $current = get_site_transient( 'update_plugins' ) ) {
// Don't remove the plugins that weren't deleted.
$deleted = array_diff( $plugins, $errors );
foreach ( $deleted as $plugin_file ) {
unset( $current->response[ $plugin_file ] );
}
set_site_transient( 'update_plugins', $current );
}
if ( ! empty( $errors ) ) {
if ( 1 === count( $errors ) ) {
/* translators: %s: plugin filename */
$message = __( 'Could not fully remove the plugin %s.' );
} else {
/* translators: %s: comma-separated list of plugin filenames */
$message = __( 'Could not fully remove the plugins %s.' );
}
return new WP_Error( 'could_not_remove_plugin', sprintf( $message, implode( ', ', $errors ) ) );
}
return true;
}
/**
* Validate active plugins
*
* Validate all active plugins, deactivates invalid and
* returns an array of deactivated ones.
*
* @since 2.5.0
* @return array invalid plugins, plugin as key, error as value
*/
function validate_active_plugins() {
$plugins = get_option( 'active_plugins', array() );
// Validate vartype: array.
if ( ! is_array( $plugins ) ) {
update_option( 'active_plugins', array() );
$plugins = array();
}
if ( is_multisite() && current_user_can( 'manage_network_plugins' ) ) {
$network_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
$plugins = array_merge( $plugins, array_keys( $network_plugins ) );
}
if ( empty( $plugins ) ) {
return array();
}
$invalid = array();
// Invalid plugins get deactivated.
foreach ( $plugins as $plugin ) {
$result = validate_plugin( $plugin );
if ( is_wp_error( $result ) ) {
$invalid[ $plugin ] = $result;
deactivate_plugins( $plugin, true );
}
}
return $invalid;
}
/**
* Validate the plugin path.
*
* Checks that the main plugin file exists and is a valid plugin. See validate_file().
*
* @since 2.5.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return WP_Error|int 0 on success, WP_Error on failure.
*/
function validate_plugin( $plugin ) {
if ( validate_file( $plugin ) ) {
return new WP_Error( 'plugin_invalid', __( 'Invalid plugin path.' ) );
}
if ( ! file_exists( SP_PLUGIN_DIR . '/' . $plugin) && ! file_exists( WP_PLUGIN_DIR . '/' . $plugin ) ) {
return new WP_Error( 'plugin_not_found', __( 'Plugin file does not exist.' ) );
}
$installed_plugins = get_plugins();
if ( ! isset( $installed_plugins[ $plugin ] ) ) {
return new WP_Error( 'no_plugin_header', __( 'The plugin does not have a valid header.' ) );
}
return 0;
}
/**
* Whether the plugin can be uninstalled.
*
* @since 2.7.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return bool Whether plugin can be uninstalled.
*/
function is_uninstallable_plugin( $plugin ) {
$file = plugin_basename( $plugin );
$uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
if ( isset( $uninstallable_plugins[ $file ] ) || file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) {
return true;
}
return false;
}
/**
* Uninstall a single plugin.
*
* Calls the uninstall hook, if it is available.
*
* @since 2.7.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return true True if a plugin's uninstall.php file has been found and included.
*/
function uninstall_plugin( $plugin ) {
$file = plugin_basename( $plugin );
$uninstallable_plugins = (array) get_option( 'uninstall_plugins' );
/**
* Fires in uninstall_plugin() immediately before the plugin is uninstalled.
*
* @since 4.5.0
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @param array $uninstallable_plugins Uninstallable plugins.
*/
do_action( 'pre_uninstall_plugin', $plugin, $uninstallable_plugins );
if ( file_exists( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' ) ) {
if ( isset( $uninstallable_plugins[ $file ] ) ) {
unset( $uninstallable_plugins[ $file ] );
update_option( 'uninstall_plugins', $uninstallable_plugins );
}
unset( $uninstallable_plugins );
define( 'WP_UNINSTALL_PLUGIN', $file );
wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
include( WP_PLUGIN_DIR . '/' . dirname( $file ) . '/uninstall.php' );
return true;
}
if ( isset( $uninstallable_plugins[ $file ] ) ) {
$callable = $uninstallable_plugins[ $file ];
unset( $uninstallable_plugins[ $file ] );
update_option( 'uninstall_plugins', $uninstallable_plugins );
unset( $uninstallable_plugins );
wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $file );
include( WP_PLUGIN_DIR . '/' . $file );
add_action( "uninstall_{$file}", $callable );
/**
* Fires in uninstall_plugin() once the plugin has been uninstalled.
*
* The action concatenates the 'uninstall_' prefix with the basename of the
* plugin passed to uninstall_plugin() to create a dynamically-named action.
*
* @since 2.7.0
*/
do_action( "uninstall_{$file}" );
}
}
//
// Menu
//
/**
* Add a top-level menu page.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 1.5.0
*
* @global array $menu
* @global array $admin_page_hooks
* @global array $_registered_pages
* @global array $_parent_pages
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by. Should be unique for this menu page and only
* include lowercase alphanumeric, dashes, and underscores characters to be compatible
* with sanitize_key().
* @param callable $function The function to be called to output the content for this page.
* @param string $icon_url The URL to the icon to be used for this menu.
* * Pass a base64-encoded SVG using a data URI, which will be colored to match
* the color scheme. This should begin with 'data:image/svg+xml;base64,'.
* * Pass the name of a Dashicons helper class to use a font icon,
* e.g. 'dashicons-chart-pie'.
* * Pass 'none' to leave div.wp-menu-image empty so an icon can be added via CSS.
* @param int $position The position in the menu order this one should appear.
* @return string The resulting page's hook_suffix.
*/
function add_menu_page( $page_title, $menu_title, $capability, $menu_slug, $function = '', $icon_url = '', $position = null ) {
global $menu, $admin_page_hooks, $_registered_pages, $_parent_pages;
$menu_slug = plugin_basename( $menu_slug );
$admin_page_hooks[ $menu_slug ] = sanitize_title( $menu_title );
$hookname = get_plugin_page_hookname( $menu_slug, '' );
if ( ! empty( $function ) && ! empty( $hookname ) && current_user_can( $capability ) ) {
add_action( $hookname, $function );
}
if ( empty( $icon_url ) ) {
$icon_url = 'dashicons-admin-generic';
$icon_class = 'menu-icon-generic ';
} else {
$icon_url = set_url_scheme( $icon_url );
$icon_class = '';
}
$new_menu = array( $menu_title, $capability, $menu_slug, $page_title, 'menu-top ' . $icon_class . $hookname, $hookname, $icon_url );
if ( null === $position ) {
$menu[] = $new_menu;
} elseif ( isset( $menu[ "$position" ] ) ) {
$position = $position + substr( base_convert( md5( $menu_slug . $menu_title ), 16, 10 ), -5 ) * 0.00001;
$menu[ "$position" ] = $new_menu;
} else {
$menu[ $position ] = $new_menu;
}
$_registered_pages[ $hookname ] = true;
// No parent as top level
$_parent_pages[ $menu_slug ] = false;
return $hookname;
}
/**
* Add a submenu page.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 1.5.0
*
* @global array $submenu
* @global array $menu
* @global array $_wp_real_parent_file
* @global bool $_wp_submenu_nopriv
* @global array $_registered_pages
* @global array $_parent_pages
*
* @param string $parent_slug The slug name for the parent menu (or the file name of a standard
* WordPress admin page).
* @param string $page_title The text to be displayed in the title tags of the page when the menu
* is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by. Should be unique for this menu
* and only include lowercase alphanumeric, dashes, and underscores characters
* to be compatible with sanitize_key().
* @param callable $function The function to be called to output the content for this page.
* @param int $position The position in the menu order this item should appear.
* @return string|false The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_submenu_page( $parent_slug, $page_title, $menu_title, $capability, $menu_slug, $function = '', $position = null ) {
global $submenu, $menu, $_wp_real_parent_file, $_wp_submenu_nopriv,
$_registered_pages, $_parent_pages;
$menu_slug = plugin_basename( $menu_slug );
$parent_slug = plugin_basename( $parent_slug );
if ( isset( $_wp_real_parent_file[ $parent_slug ] ) ) {
$parent_slug = $_wp_real_parent_file[ $parent_slug ];
}
if ( ! current_user_can( $capability ) ) {
$_wp_submenu_nopriv[ $parent_slug ][ $menu_slug ] = true;
return false;
}
/*
* If the parent doesn't already have a submenu, add a link to the parent
* as the first item in the submenu. If the submenu file is the same as the
* parent file someone is trying to link back to the parent manually. In
* this case, don't automatically add a link back to avoid duplication.
*/
if ( ! isset( $submenu[ $parent_slug ] ) && $menu_slug !== $parent_slug ) {
foreach ( (array) $menu as $parent_menu ) {
if ( $parent_menu[2] === $parent_slug && current_user_can( $parent_menu[1] ) ) {
$submenu[ $parent_slug ][] = array_slice( $parent_menu, 0, 4 );
}
}
}
$new_sub_menu = array( $menu_title, $capability, $menu_slug, $page_title );
if ( ! is_int( $position ) ) {
if ( null !== $position ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: add_submenu_page() */
__( 'The seventh parameter passed to %s should be an integer representing menu position.' ),
'<code>add_submenu_page()</code>'
),
'5.3.0'
);
}
$submenu[ $parent_slug ][] = $new_sub_menu;
} else {
// Append the submenu if the parent item is not present in the submenu,
// or if position is equal or higher than the number of items in the array.
if ( ! isset( $submenu[ $parent_slug ] ) || $position >= count( $submenu[ $parent_slug ] ) ) {
$submenu[ $parent_slug ][] = $new_sub_menu;
} else {
// Test for a negative position.
$position = max( $position, 0 );
if ( 0 === $position ) {
// For negative or `0` positions, prepend the submenu.
array_unshift( $submenu[ $parent_slug ], $new_sub_menu );
} else {
// Grab all of the items before the insertion point.
$before_items = array_slice( $submenu[ $parent_slug ], 0, $position, true );
// Grab all of the items after the insertion point.
$after_items = array_slice( $submenu[ $parent_slug ], $position, null, true );
// Add the new item.
$before_items[] = $new_sub_menu;
// Merge the items.
$submenu[ $parent_slug ] = array_merge( $before_items, $after_items );
}
}
}
// Sort the parent array.
ksort( $submenu[ $parent_slug ] );
$hookname = get_plugin_page_hookname( $menu_slug, $parent_slug );
if ( ! empty( $function ) && ! empty( $hookname ) ) {
add_action( $hookname, $function );
}
$_registered_pages[ $hookname ] = true;
/*
* Backward-compatibility for plugins using add_management page.
* See site-admin/admin.php for redirect from edit.php to tools.php
*/
if ( 'tools.php' === $parent_slug ) {
$_registered_pages[ get_plugin_page_hookname( $menu_slug, 'edit.php' ) ] = true;
}
// No parent as top level.
$_parent_pages[ $menu_slug ] = $parent_slug;
return $hookname;
}
/**
* Add submenu page to the Tools main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 1.5.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_management_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'tools.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Settings main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 1.5.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_options_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'options-general.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Appearance main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.0.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_theme_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'themes.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Plugins main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 3.0.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_plugins_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'plugins.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Users/Profile main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.1.3
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_users_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
if ( current_user_can( 'edit_users' ) ) {
$parent = 'users.php';
} else {
$parent = 'profile.php';
}
return add_submenu_page( $parent, $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Dashboard main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'index.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Posts main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_posts_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'edit.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Media main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_media_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'upload.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Links main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_links_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'link-manager.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Pages main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_pages_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'edit.php?post_type=page', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Add submenu page to the Comments main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
*
* @param string $page_title The text to be displayed in the title tags of the page when the menu is selected.
* @param string $menu_title The text to be used for the menu.
* @param string $capability The capability required for this menu to be displayed to the user.
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu).
* @param callable $function The function to be called to output the content for this page.
* @return false|string The resulting page's hook_suffix, or false if the user does not have the capability required.
*/
function add_comments_page( $page_title, $menu_title, $capability, $menu_slug, $function = '' ) {
return add_submenu_page( 'edit-comments.php', $page_title, $menu_title, $capability, $menu_slug, $function );
}
/**
* Remove a top-level admin menu.
*
* @since 3.1.0
*
* @global array $menu
*
* @param string $menu_slug The slug of the menu.
* @return array|bool The removed menu on success, false if not found.
*/
function remove_menu_page( $menu_slug ) {
global $menu;
foreach ( $menu as $i => $item ) {
if ( $menu_slug == $item[2] ) {
unset( $menu[ $i ] );
return $item;
}
}
return false;
}
/**
* Remove an admin submenu.
*
* @since 3.1.0
*
* @global array $submenu
*
* @param string $menu_slug The slug for the parent menu.
* @param string $submenu_slug The slug of the submenu.
* @return array|bool The removed submenu on success, false if not found.
*/
function remove_submenu_page( $menu_slug, $submenu_slug ) {
global $submenu;
if ( ! isset( $submenu[ $menu_slug ] ) ) {
return false;
}
foreach ( $submenu[ $menu_slug ] as $i => $item ) {
if ( $submenu_slug == $item[2] ) {
unset( $submenu[ $menu_slug ][ $i ] );
return $item;
}
}
return false;
}
/**
* Get the url to access a particular menu page based on the slug it was registered with.
*
* If the slug hasn't been registered properly no url will be returned
*
* @since 3.0.0
*
* @global array $_parent_pages
*
* @param string $menu_slug The slug name to refer to this menu by (should be unique for this menu)
* @param bool $echo Whether or not to echo the url - default is true
* @return string the url
*/
function menu_page_url( $menu_slug, $echo = true ) {
global $_parent_pages;
if ( isset( $_parent_pages[ $menu_slug ] ) ) {
$parent_slug = $_parent_pages[ $menu_slug ];
if ( $parent_slug && ! isset( $_parent_pages[ $parent_slug ] ) ) {
$url = admin_url( add_query_arg( 'page', $menu_slug, $parent_slug ) );
} else {
$url = admin_url( 'admin.php?page=' . $menu_slug );
}
} else {
$url = '';
}
$url = esc_url( $url );
if ( $echo ) {
echo $url;
}
return $url;
}
//
// Pluggable Menu Support -- Private
//
/**
* @global string $parent_file
* @global array $menu
* @global array $submenu
* @global string $pagenow
* @global string $typenow
* @global string $plugin_page
* @global array $_wp_real_parent_file
* @global array $_wp_menu_nopriv
* @global array $_wp_submenu_nopriv
*/
function get_admin_page_parent( $parent = '' ) {
global $parent_file, $menu, $submenu, $pagenow, $typenow,
$plugin_page, $_wp_real_parent_file, $_wp_menu_nopriv, $_wp_submenu_nopriv;
if ( ! empty( $parent ) && 'admin.php' != $parent ) {
if ( isset( $_wp_real_parent_file[ $parent ] ) ) {
$parent = $_wp_real_parent_file[ $parent ];
}
return $parent;
}
if ( $pagenow == 'admin.php' && isset( $plugin_page ) ) {
foreach ( (array) $menu as $parent_menu ) {
if ( $parent_menu[2] == $plugin_page ) {
$parent_file = $plugin_page;
if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
$parent_file = $_wp_real_parent_file[ $parent_file ];
}
return $parent_file;
}
}
if ( isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
$parent_file = $plugin_page;
if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
$parent_file = $_wp_real_parent_file[ $parent_file ];
}
return $parent_file;
}
}
if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) {
$parent_file = $pagenow;
if ( isset( $_wp_real_parent_file[ $parent_file ] ) ) {
$parent_file = $_wp_real_parent_file[ $parent_file ];
}
return $parent_file;
}
foreach ( array_keys( (array) $submenu ) as $parent ) {
foreach ( $submenu[ $parent ] as $submenu_array ) {
if ( isset( $_wp_real_parent_file[ $parent ] ) ) {
$parent = $_wp_real_parent_file[ $parent ];
}
if ( ! empty( $typenow ) && ( $submenu_array[2] == "$pagenow?post_type=$typenow" ) ) {
$parent_file = $parent;
return $parent;
} elseif ( $submenu_array[2] == $pagenow && empty( $typenow ) && ( empty( $parent_file ) || false === strpos( $parent_file, '?' ) ) ) {
$parent_file = $parent;
return $parent;
} elseif ( isset( $plugin_page ) && ( $plugin_page == $submenu_array[2] ) ) {
$parent_file = $parent;
return $parent;
}
}
}
if ( empty( $parent_file ) ) {
$parent_file = '';
}
return '';
}
/**
* @global string $title
* @global array $menu
* @global array $submenu
* @global string $pagenow
* @global string $plugin_page
* @global string $typenow
*/
function get_admin_page_title() {
global $title, $menu, $submenu, $pagenow, $plugin_page, $typenow;
if ( ! empty( $title ) ) {
return $title;
}
$hook = get_plugin_page_hook( $plugin_page, $pagenow );
$parent = $parent1 = get_admin_page_parent();
if ( empty( $parent ) ) {
foreach ( (array) $menu as $menu_array ) {
if ( isset( $menu_array[3] ) ) {
if ( $menu_array[2] == $pagenow ) {
$title = $menu_array[3];
return $menu_array[3];
} elseif ( isset( $plugin_page ) && ( $plugin_page == $menu_array[2] ) && ( $hook == $menu_array[3] ) ) {
$title = $menu_array[3];
return $menu_array[3];
}
} else {
$title = $menu_array[0];
return $title;
}
}
} else {
foreach ( array_keys( $submenu ) as $parent ) {
foreach ( $submenu[ $parent ] as $submenu_array ) {
if ( isset( $plugin_page ) &&
( $plugin_page == $submenu_array[2] ) &&
(
( $parent == $pagenow ) ||
( $parent == $plugin_page ) ||
( $plugin_page == $hook ) ||
( $pagenow == 'admin.php' && $parent1 != $submenu_array[2] ) ||
( ! empty( $typenow ) && $parent == $pagenow . '?post_type=' . $typenow )
)
) {
$title = $submenu_array[3];
return $submenu_array[3];
}
if ( $submenu_array[2] != $pagenow || isset( $_GET['page'] ) ) { // not the current page
continue;
}
if ( isset( $submenu_array[3] ) ) {
$title = $submenu_array[3];
return $submenu_array[3];
} else {
$title = $submenu_array[0];
return $title;
}
}
}
if ( empty( $title ) ) {
foreach ( $menu as $menu_array ) {
if ( isset( $plugin_page ) &&
( $plugin_page == $menu_array[2] ) &&
( $pagenow == 'admin.php' ) &&
( $parent1 == $menu_array[2] ) ) {
$title = $menu_array[3];
return $menu_array[3];
}
}
}
}
return $title;
}
/**
* @since 2.3.0
*
* @param string $plugin_page
* @param string $parent_page
* @return string|null
*/
function get_plugin_page_hook( $plugin_page, $parent_page ) {
$hook = get_plugin_page_hookname( $plugin_page, $parent_page );
if ( has_action( $hook ) ) {
return $hook;
} else {
return null;
}
}
/**
* @global array $admin_page_hooks
* @param string $plugin_page
* @param string $parent_page
*/
function get_plugin_page_hookname( $plugin_page, $parent_page ) {
global $admin_page_hooks;
$parent = get_admin_page_parent( $parent_page );
$page_type = 'admin';
if ( empty( $parent_page ) || 'admin.php' == $parent_page || isset( $admin_page_hooks[ $plugin_page ] ) ) {
if ( isset( $admin_page_hooks[ $plugin_page ] ) ) {
$page_type = 'toplevel';
} elseif ( isset( $admin_page_hooks[ $parent ] ) ) {
$page_type = $admin_page_hooks[ $parent ];
}
} elseif ( isset( $admin_page_hooks[ $parent ] ) ) {
$page_type = $admin_page_hooks[ $parent ];
}
$plugin_name = preg_replace( '!\.php!', '', $plugin_page );
return $page_type . '_page_' . $plugin_name;
}
/**
* @global string $pagenow
* @global array $menu
* @global array $submenu
* @global array $_wp_menu_nopriv
* @global array $_wp_submenu_nopriv
* @global string $plugin_page
* @global array $_registered_pages
*/
function user_can_access_admin_page() {
global $pagenow, $menu, $submenu, $_wp_menu_nopriv, $_wp_submenu_nopriv,
$plugin_page, $_registered_pages;
$parent = get_admin_page_parent();
if ( ! isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $parent ][ $pagenow ] ) ) {
return false;
}
if ( isset( $plugin_page ) ) {
if ( isset( $_wp_submenu_nopriv[ $parent ][ $plugin_page ] ) ) {
return false;
}
$hookname = get_plugin_page_hookname( $plugin_page, $parent );
if ( ! isset( $_registered_pages[ $hookname ] ) ) {
return false;
}
}
if ( empty( $parent ) ) {
if ( isset( $_wp_menu_nopriv[ $pagenow ] ) ) {
return false;
}
if ( isset( $_wp_submenu_nopriv[ $pagenow ][ $pagenow ] ) ) {
return false;
}
if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) {
return false;
}
if ( isset( $plugin_page ) && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
return false;
}
foreach ( array_keys( $_wp_submenu_nopriv ) as $key ) {
if ( isset( $_wp_submenu_nopriv[ $key ][ $pagenow ] ) ) {
return false;
}
if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $key ][ $plugin_page ] ) ) {
return false;
}
}
return true;
}
if ( isset( $plugin_page ) && ( $plugin_page == $parent ) && isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
return false;
}
if ( isset( $submenu[ $parent ] ) ) {
foreach ( $submenu[ $parent ] as $submenu_array ) {
if ( isset( $plugin_page ) && ( $submenu_array[2] == $plugin_page ) ) {
if ( current_user_can( $submenu_array[1] ) ) {
return true;
} else {
return false;
}
} elseif ( $submenu_array[2] == $pagenow ) {
if ( current_user_can( $submenu_array[1] ) ) {
return true;
} else {
return false;
}
}
}
}
foreach ( $menu as $menu_array ) {
if ( $menu_array[2] == $parent ) {
if ( current_user_can( $menu_array[1] ) ) {
return true;
} else {
return false;
}
}
}
return true;
}
/* Whitelist functions */
/**
* Refreshes the value of the options whitelist available via the 'whitelist_options' hook.
*
* See the {@see 'whitelist_options'} filter.
*
* @since 2.7.0
*
* @global array $new_whitelist_options
*
* @param array $options
* @return array
*/
function option_update_filter( $options ) {
global $new_whitelist_options;
if ( is_array( $new_whitelist_options ) ) {
$options = add_option_whitelist( $new_whitelist_options, $options );
}
return $options;
}
/**
* Adds an array of options to the options whitelist.
*
* @since 2.7.0
*
* @global array $whitelist_options
*
* @param array $new_options
* @param string|array $options
* @return array
*/
function add_option_whitelist( $new_options, $options = '' ) {
if ( $options == '' ) {
global $whitelist_options;
} else {
$whitelist_options = $options;
}
foreach ( $new_options as $page => $keys ) {
foreach ( $keys as $key ) {
if ( ! isset( $whitelist_options[ $page ] ) || ! is_array( $whitelist_options[ $page ] ) ) {
$whitelist_options[ $page ] = array();
$whitelist_options[ $page ][] = $key;
} else {
$pos = array_search( $key, $whitelist_options[ $page ] );
if ( $pos === false ) {
$whitelist_options[ $page ][] = $key;
}
}
}
}
return $whitelist_options;
}
/**
* Removes a list of options from the options whitelist.
*
* @since 2.7.0
*
* @global array $whitelist_options
*
* @param array $del_options
* @param string|array $options
* @return array
*/
function remove_option_whitelist( $del_options, $options = '' ) {
if ( $options == '' ) {
global $whitelist_options;
} else {
$whitelist_options = $options;
}
foreach ( $del_options as $page => $keys ) {
foreach ( $keys as $key ) {
if ( isset( $whitelist_options[ $page ] ) && is_array( $whitelist_options[ $page ] ) ) {
$pos = array_search( $key, $whitelist_options[ $page ] );
if ( $pos !== false ) {
unset( $whitelist_options[ $page ][ $pos ] );
}
}
}
}
return $whitelist_options;
}
/**
* Output nonce, action, and option_page fields for a settings page.
*
* @since 2.7.0
*
* @param string $option_group A settings group name. This should match the group name used in register_setting().
*/
function settings_fields( $option_group ) {
echo "<input type='hidden' name='option_page' value='" . esc_attr( $option_group ) . "' />";
echo '<input type="hidden" name="action" value="update" />';
wp_nonce_field( "$option_group-options" );
}
/**
* Clears the Plugins cache used by get_plugins() and by default, the Plugin Update cache.
*
* @since 3.7.0
*
* @param bool $clear_update_cache Whether to clear the Plugin updates cache
*/
function wp_clean_plugins_cache( $clear_update_cache = true ) {
if ( $clear_update_cache ) {
delete_site_transient( 'update_plugins' );
}
wp_cache_delete( 'plugins', 'plugins' );
}
/**
* Load a given plugin attempt to generate errors.
*
* @since 3.0.0
* @since 4.4.0 Function was moved into the `site-admin/includes/plugin.php` file.
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
*/
function plugin_sandbox_scrape( $plugin ) {
wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
include( WP_PLUGIN_DIR . '/' . $plugin );
}
/**
* Helper function for adding content to the Privacy Policy Guide.
*
* Plugins and themes should suggest text for inclusion in the site's privacy policy.
* The suggested text should contain information about any functionality that affects user privacy,
* and will be shown on the Privacy Policy Guide screen.
*
* A plugin or theme can use this function multiple times as long as it will help to better present
* the suggested policy content. For example modular plugins such as WooCommerse or Jetpack
* can add or remove suggested content depending on the modules/extensions that are enabled.
* For more information see the Plugin Handbook:
* https://developer.wordpress.org/plugins/privacy/suggesting-text-for-the-site-privacy-policy/.
*
* Intended for use with the `'admin_init'` action.
*
* @since 4.9.6
*
* @param string $plugin_name The name of the plugin or theme that is suggesting content for the site's privacy policy.
* @param string $policy_text The suggested content for inclusion in the policy.
*/
function wp_add_privacy_policy_content( $plugin_name, $policy_text ) {
if ( ! is_admin() ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: admin_init */
__( 'The suggested privacy policy content should be added only in site-admin by using the %s (or later) action.' ),
'<code>admin_init</code>'
),
'4.9.7'
);
return;
} elseif ( ! doing_action( 'admin_init' ) && ! did_action( 'admin_init' ) ) {
_doing_it_wrong(
__FUNCTION__,
sprintf(
/* translators: %s: admin_init */
__( 'The suggested privacy policy content should be added by using the %s (or later) action. Please see the inline documentation.' ),
'<code>admin_init</code>'
),
'4.9.7'
);
return;
}
if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) {
require_once( ABSPATH . 'site-admin/includes/misc.php' );
}
WP_Privacy_Policy_Content::add( $plugin_name, $policy_text );
}