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plugin.php
File metadata and controls
2484 lines (2202 loc) · 83.9 KB
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<?php
/**
* WordPress Plugin Administration API
*
* @package WordPress
* @subpackage Administration
*/
/**
* Parses the plugin contents to retrieve plugin's metadata.
*
* All plugin headers must be on their own line. Plugin description must not have
* any newlines, otherwise only parts of the description will be displayed.
* The below is formatted for printing.
*
* /*
* Plugin Name: Name of the plugin.
* Plugin URI: The home page of the plugin.
* Description: Plugin description.
* Author: Plugin author's name.
* Author URI: Link to the author's website.
* Version: Plugin version.
* 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.
* Requires at least: Optional. Specify the minimum required WordPress version.
* Requires PHP: Optional. Specify the minimum required PHP version.
* * / # Remove the space to close comment.
*
* The first 8 KB of the file will be pulled in and if the plugin data is not
* within that first 8 KB, 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
* @since 5.3.0 Added support for `Requires at least` and `Requires PHP` headers.
*
* @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.
* @type string $RequiresWP Minimum required version of WordPress.
* @type string $RequiresPHP Minimum required version of PHP.
* }
*/
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',
'RequiresWP' => 'Requires at least',
'RequiresPHP' => 'Requires PHP',
// 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 ) {
$textdomain = $plugin_data['TextDomain'];
if ( $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'] .= sprintf(
/* translators: %s: Plugin author. */
' <cite>' . __( 'By %s.' ) . '</cite>',
$plugin_data['Author']
);
}
}
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 string[] Array of file names 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[] Array of arrays of plugin data, keyed by plugin file name. See `get_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_root = WP_PLUGIN_DIR;
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 ( '.php' === substr( $subfile, -4 ) ) {
$plugin_files[] = "$file/$subfile";
}
}
closedir( $plugins_subdir );
}
} else {
if ( '.php' === substr( $file, -4 ) ) {
$plugin_files[] = $file;
}
}
}
closedir( $plugins_dir );
}
if ( empty( $plugin_files ) ) {
return $wp_plugins;
}
foreach ( $plugin_files as $plugin_file ) {
if ( ! is_readable( "$plugin_root/$plugin_file" ) ) {
continue;
}
// Do not apply markup/translate as it will be cached.
$plugin_data = get_plugin_data( "$plugin_root/$plugin_file", false, false );
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[] Array of arrays of mu-plugin data, keyed by plugin file name. See `get_plugin_data()`.
*/
function get_mu_plugins() {
$wp_plugins = array();
$plugin_files = array();
if ( ! is_dir( WPMU_PLUGIN_DIR ) ) {
return $wp_plugins;
}
// Files in wp-content/mu-plugins directory.
$plugins_dir = @opendir( WPMU_PLUGIN_DIR );
if ( $plugins_dir ) {
while ( ( $file = readdir( $plugins_dir ) ) !== false ) {
if ( '.php' === substr( $file, -4 ) ) {
$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;
}
// Do not apply markup/translate as it will be cached.
$plugin_data = get_plugin_data( WPMU_PLUGIN_DIR . "/$plugin_file", false, false );
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[] Array of arrays of dropin plugin data, keyed by plugin file name. See `get_plugin_data()`.
*/
function get_dropins() {
$dropins = array();
$plugin_files = array();
$_dropins = _get_dropins();
// Files in wp-content directory.
$plugins_dir = @opendir( WP_CONTENT_DIR );
if ( $plugins_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;
}
// Do not apply markup/translate as it will be cached.
$plugin_data = get_plugin_data( WP_CONTENT_DIR . "/$plugin_file", false, false );
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.
'php-error.php' => array( __( 'Custom PHP error message.' ), true ), // Auto on error.
'fatal-error-handler.php' => array( __( 'Custom PHP fatal error handler.' ), true ), // Auto on error.
);
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() ), true ) || 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
* @since 5.2.0 Test for WordPress version and PHP version compatibility.
*
* @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 null|WP_Error Null on success, WP_Error on invalid file.
*/
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;
}
$requirements = validate_plugin_requirements( $plugin );
if ( is_wp_error( $requirements ) ) {
return $requirements;
}
if ( ( $network_wide && ! isset( $current[ $plugin ] ) ) || ( ! $network_wide && ! in_array( $plugin, $current, true ) ) ) {
if ( ! empty( $redirect ) ) {
// We'll override this later if the plugin can be included without fatal error.
wp_redirect( add_query_arg( '_error_nonce', wp_create_nonce( 'plugin-activation-error_' . $plugin ), $redirect ) );
}
ob_start();
if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
define( 'WP_SANDBOX_SCRAPING', true );
}
wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
$_wp_plugin_file = $plugin;
include_once WP_PLUGIN_DIR . '/' . $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 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 $network_wide Whether to enable the plugin for all sites in the network
* or just the current site. Multisite only. Default false.
*/
do_action( "activate_{$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 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|string[] $plugins Single plugin or list of plugins to deactivate.
* @param bool $silent Prevent calling deactivation hooks. Default false.
* @param bool|null $network_wide Whether to deactivate the plugin for all sites in the network.
* A value of null will deactivate plugins for both the network
* and the current site. Multisite only. Default null.
*/
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 = false;
$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 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, true );
if ( false !== $key ) {
$do_blog = true;
unset( $current[ $key ] );
}
}
if ( $do_blog && wp_is_recovery_mode() ) {
list( $extension ) = explode( '/', $plugin );
wp_paused_plugins()->delete( $extension );
}
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 $network_deactivating Whether the plugin is deactivated for all sites in the network
* or just the current site. Multisite only. Default false.
*/
do_action( "deactivate_{$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 plugin file paths were invalid.
*
* The execution will be halted as soon as one of the plugins has an error.
*
* @since 2.6.0
*
* @param string|string[] $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.
* Default false.
* @param bool $silent Prevent calling activation hooks. Default 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 ) ) {
require_once ABSPATH . 'wp-admin/admin-header.php';
echo $data;
require_once ABSPATH . 'wp-admin/admin-footer.php';
exit;
}
return;
}
if ( ! WP_Filesystem( $credentials ) ) {
ob_start();
// Failed to connect. Error and request again.
request_filesystem_credentials( $url, '', true );
$data = ob_get_clean();
if ( ! empty( $data ) ) {
require_once ABSPATH . 'wp-admin/admin-header.php';
echo $data;
require_once ABSPATH . 'wp-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.
// Base check on if plugin includes directory separator AND that it's not the root plugin folder.
if ( strpos( $plugin_file, '/' ) && $this_plugin_dir != $plugins_dir ) {
$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;
}