$position Optional. 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_users_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
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, $callback, $position );
}
/**
* Adds a submenu page to the Dashboard main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
* @since 5.3.0 Added the `$position` parameter.
*
* @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 $callback Optional. The function to be called to output the content for this page.
* @param int $position Optional. 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_dashboard_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
return add_submenu_page( 'index.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
}
/**
* Adds a submenu page to the Posts main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
* @since 5.3.0 Added the `$position` parameter.
*
* @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 $callback Optional. The function to be called to output the content for this page.
* @param int $position Optional. 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_posts_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
return add_submenu_page( 'edit.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
}
/**
* Adds a submenu page to the Media main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
* @since 5.3.0 Added the `$position` parameter.
*
* @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 $callback Optional. The function to be called to output the content for this page.
* @param int $position Optional. 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_media_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
return add_submenu_page( 'upload.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
}
/**
* Adds a submenu page to the Links main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
* @since 5.3.0 Added the `$position` parameter.
*
* @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 $callback Optional. The function to be called to output the content for this page.
* @param int $position Optional. 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_links_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
return add_submenu_page( 'link-manager.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
}
/**
* Adds a submenu page to the Pages main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
* @since 5.3.0 Added the `$position` parameter.
*
* @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 $callback Optional. The function to be called to output the content for this page.
* @param int $position Optional. 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_pages_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
return add_submenu_page( 'edit.php?post_type=page', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
}
/**
* Adds a submenu page to the Comments main menu.
*
* This function takes a capability which will be used to determine whether
* or not a page is included in the menu.
*
* The function which is hooked in to handle the output of the page must check
* that the user has the required capability as well.
*
* @since 2.7.0
* @since 5.3.0 Added the `$position` parameter.
*
* @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 $callback Optional. The function to be called to output the content for this page.
* @param int $position Optional. 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_comments_page( $page_title, $menu_title, $capability, $menu_slug, $callback = '', $position = null ) {
return add_submenu_page( 'edit-comments.php', $page_title, $menu_title, $capability, $menu_slug, $callback, $position );
}
/**
* Removes a top-level admin menu.
*
* Example usage:
*
* - `remove_menu_page( 'tools.php' )`
* - `remove_menu_page( 'plugin_menu_slug' )`
*
* @since 3.1.0
*
* @global array $menu
*
* @param string $menu_slug The slug of the menu.
* @return array|false 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;
}
/**
* Removes an admin submenu.
*
* Example usage:
*
* - `remove_submenu_page( 'themes.php', 'nav-menus.php' )`
* - `remove_submenu_page( 'tools.php', 'plugin_submenu_slug' )`
* - `remove_submenu_page( 'plugin_menu_slug', 'plugin_submenu_slug' )`
*
* @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|false 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;
}
/**
* Gets 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 $display Optional. Whether or not to display the URL. Default true.
* @return string The menu page URL.
*/
function menu_page_url( $menu_slug, $display = 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 ( $display ) {
echo $url;
}
return $url;
}
//
// Pluggable Menu Support -- Private.
//
/**
* Gets the parent file of the current admin page.
*
* @since 1.5.0
*
* @global string $parent_file
* @global array $menu
* @global array $submenu
* @global string $pagenow The filename of the current screen.
* @global string $typenow The post type of the current screen.
* @global string $plugin_page
* @global array $_wp_real_parent_file
* @global array $_wp_menu_nopriv
* @global array $_wp_submenu_nopriv
*
* @param string $parent_page Optional. The slug name for the parent menu (or the file name
* of a standard WordPress admin page). Default empty string.
* @return string The parent file of the current admin page.
*/
function get_admin_page_parent( $parent_page = '' ) {
global $parent_file, $menu, $submenu, $pagenow, $typenow,
$plugin_page, $_wp_real_parent_file, $_wp_menu_nopriv, $_wp_submenu_nopriv;
if ( ! empty( $parent_page ) && 'admin.php' !== $parent_page ) {
return $_wp_real_parent_file[ $parent_page ] ?? $parent_page;
}
if ( 'admin.php' === $pagenow && isset( $plugin_page ) ) {
foreach ( (array) $menu as $parent_menu ) {
if ( $parent_menu[2] === $plugin_page ) {
$parent_file = $plugin_page;
return $_wp_real_parent_file[ $parent_file ] ?? $parent_file;
}
}
if ( isset( $_wp_menu_nopriv[ $plugin_page ] ) ) {
$parent_file = $plugin_page;
return $_wp_real_parent_file[ $parent_file ] ?? $parent_file;
}
}
if ( isset( $plugin_page ) && isset( $_wp_submenu_nopriv[ $pagenow ][ $plugin_page ] ) ) {
$parent_file = $pagenow;
return $_wp_real_parent_file[ $parent_file ] ?? $parent_file;
}
foreach ( array_keys( (array) $submenu ) as $parent_page ) {
foreach ( $submenu[ $parent_page ] as $submenu_array ) {
if ( isset( $_wp_real_parent_file[ $parent_page ] ) ) {
$parent_page = $_wp_real_parent_file[ $parent_page ];
}
if ( ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $submenu_array[2] ) {
$parent_file = $parent_page;
return $parent_page;
} elseif ( empty( $typenow ) && $pagenow === $submenu_array[2]
&& ( empty( $parent_file ) || ! str_contains( $parent_file, '?' ) )
) {
$parent_file = $parent_page;
return $parent_page;
} elseif ( isset( $plugin_page ) && $plugin_page === $submenu_array[2] ) {
$parent_file = $parent_page;
return $parent_page;
}
}
}
if ( empty( $parent_file ) ) {
$parent_file = '';
}
return '';
}
/**
* Gets the title of the current admin page.
*
* @since 1.5.0
*
* @global string $title The title of the current screen.
* @global array $menu
* @global array $submenu
* @global string $pagenow The filename of the current screen.
* @global string $typenow The post type of the current screen.
* @global string $plugin_page
*
* @return string The title of the current admin page.
*/
function get_admin_page_title() {
global $title, $menu, $submenu, $pagenow, $typenow, $plugin_page;
if ( ! empty( $title ) ) {
return $title;
}
$hook = get_plugin_page_hook( $plugin_page, $pagenow );
$parent = get_admin_page_parent();
$parent1 = $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[5] ) {
$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]
&& ( $pagenow === $parent
|| $plugin_page === $parent
|| $plugin_page === $hook
|| 'admin.php' === $pagenow && $parent1 !== $submenu_array[2]
|| ! empty( $typenow ) && "$pagenow?post_type=$typenow" === $parent )
) {
$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]
&& 'admin.php' === $pagenow
&& $parent1 === $menu_array[2]
) {
$title = $menu_array[3];
return $menu_array[3];
}
}
}
}
return $title;
}
/**
* Gets the hook attached to the administrative page of a plugin.
*
* @since 1.5.0
*
* @param string $plugin_page The slug name of the plugin page.
* @param string $parent_page The slug name for the parent menu (or the file name of a standard
* WordPress admin page).
* @return string|null Hook attached to the plugin page, null otherwise.
*/
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;
}
}
/**
* Gets the hook name for the administrative page of a plugin.
*
* @since 1.5.0
*
* @global array $admin_page_hooks
*
* @param string $plugin_page The slug name of the plugin page.
* @param string $parent_page The slug name for the parent menu (or the file name of a standard
* WordPress admin page).
* @return string Hook name for the plugin 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;
}
/**
* Determines whether the current user can access the current admin page.
*
* @since 1.5.0
*
* @global string $pagenow The filename of the current screen.
* @global array $menu
* @global array $submenu
* @global array $_wp_menu_nopriv
* @global array $_wp_submenu_nopriv
* @global string $plugin_page
* @global array $_registered_pages
*
* @return bool True if the current user can access the admin page, false otherwise.
*/
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 ) {
return current_user_can( $submenu_array[1] );
} elseif ( $submenu_array[2] === $pagenow ) {
return current_user_can( $submenu_array[1] );
}
}
}
foreach ( $menu as $menu_array ) {
if ( $menu_array[2] === $parent ) {
return current_user_can( $menu_array[1] );
}
}
return true;
}
/* Allowed list functions */
/**
* Refreshes the value of the allowed options list available via the 'allowed_options' hook.
*
* See the {@see 'allowed_options'} filter.
*
* @since 2.7.0
* @since 5.5.0 `$new_whitelist_options` was renamed to `$new_allowed_options`.
* Please consider writing more inclusive code.
*
* @global array $new_allowed_options
*
* @param array $options
* @return array Updated allowed options.
*/
function option_update_filter( $options ) {
global $new_allowed_options;
if ( is_array( $new_allowed_options ) ) {
$options = add_allowed_options( $new_allowed_options, $options );
}
return $options;
}
/**
* Adds an array of options to the list of allowed options.
*
* @since 5.5.0
*
* @global array $allowed_options
*
* @param array $new_options
* @param string|array $options
* @return array Updated allowed options.
*/
function add_allowed_options( $new_options, $options = '' ) {
if ( '' === $options ) {
global $allowed_options;
} else {
$allowed_options = $options;
}
foreach ( $new_options as $page => $keys ) {
foreach ( $keys as $key ) {
if ( ! isset( $allowed_options[ $page ] ) || ! is_array( $allowed_options[ $page ] ) ) {
$allowed_options[ $page ] = array();
$allowed_options[ $page ][] = $key;
} else {
$pos = array_search( $key, $allowed_options[ $page ], true );
if ( false === $pos ) {
$allowed_options[ $page ][] = $key;
}
}
}
}
return $allowed_options;
}
/**
* Removes a list of options from the allowed options list.
*
* @since 5.5.0
*
* @global array $allowed_options
*
* @param array $del_options
* @param string|array $options
* @return array Updated allowed options.
*/
function remove_allowed_options( $del_options, $options = '' ) {
if ( '' === $options ) {
global $allowed_options;
} else {
$allowed_options = $options;
}
foreach ( $del_options as $page => $keys ) {
foreach ( $keys as $key ) {
if ( isset( $allowed_options[ $page ] ) && is_array( $allowed_options[ $page ] ) ) {
$pos = array_search( $key, $allowed_options[ $page ], true );
if ( false !== $pos ) {
unset( $allowed_options[ $page ][ $pos ] );
}
}
}
}
return $allowed_options;
}
/**
* Outputs 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( $option_group ) {
echo "";
echo '';
wp_nonce_field( "$option_group-options" );
}
/**
* Clears the plugins cache used by get_plugins() and by default, the plugin updates cache.
*
* @since 3.7.0
*
* @param bool $clear_update_cache Whether to clear the plugin updates cache. Default true.
*/
function wp_clean_plugins_cache( $clear_update_cache = true ) {
if ( $clear_update_cache ) {
delete_site_transient( 'update_plugins' );
}
wp_cache_delete( 'plugins', 'plugins' );
}
/**
* Loads a given plugin attempt to generate errors.
*
* @since 3.0.0
* @since 4.4.0 Function was moved into the `wp-admin/includes/plugin.php` file.
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
*/
function plugin_sandbox_scrape( $plugin ) {
if ( ! defined( 'WP_SANDBOX_SCRAPING' ) ) {
define( 'WP_SANDBOX_SCRAPING', true );
}
wp_register_plugin_realpath( WP_PLUGIN_DIR . '/' . $plugin );
include_once WP_PLUGIN_DIR . '/' . $plugin;
}
/**
* Declares a helper function for adding content to the Privacy Policy Guide.
*
* Plugins and themes should suggest text for inclusion in the site's privacy policy.
* The suggested text should contain information about any functionality that affects user privacy,
* and will be shown on the Privacy Policy Guide screen.
*
* A plugin or theme can use this function multiple times as long as it will help to better present
* the suggested policy content. For example modular plugins such as WooCommerse or Jetpack
* can add or remove suggested content depending on the modules/extensions that are enabled.
* For more information see the Plugin Handbook:
* https://developer.wordpress.org/plugins/privacy/suggesting-text-for-the-site-privacy-policy/.
*
* The HTML contents of the `$policy_text` supports use of a specialized `.privacy-policy-tutorial`
* CSS class which can be used to provide supplemental information. Any content contained within
* HTML elements that have the `.privacy-policy-tutorial` CSS class applied will be omitted
* from the clipboard when the section content is copied.
*
* 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 wp-admin by using the %s (or later) action.' ),
'admin_init'
),
'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.' ),
'admin_init'
),
'4.9.7'
);
return;
}
if ( ! class_exists( 'WP_Privacy_Policy_Content' ) ) {
require_once ABSPATH . 'wp-admin/includes/class-wp-privacy-policy-content.php';
}
WP_Privacy_Policy_Content::add( $plugin_name, $policy_text );
}
/**
* Determines whether a plugin is technically active but was paused while
* loading.
*
* 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 5.2.0
*
* @global WP_Paused_Extensions_Storage $_paused_plugins
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return bool True, if in the list of paused plugins. False, if not in the list.
*/
function is_plugin_paused( $plugin ) {
if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
return false;
}
if ( ! is_plugin_active( $plugin ) ) {
return false;
}
list( $plugin ) = explode( '/', $plugin );
return array_key_exists( $plugin, $GLOBALS['_paused_plugins'] );
}
/**
* Gets the error that was recorded for a paused plugin.
*
* @since 5.2.0
*
* @global WP_Paused_Extensions_Storage $_paused_plugins
*
* @param string $plugin Path to the plugin file relative to the plugins directory.
* @return array|false Array of error information as returned by `error_get_last()`,
* or false if none was recorded.
*/
function wp_get_plugin_error( $plugin ) {
if ( ! isset( $GLOBALS['_paused_plugins'] ) ) {
return false;
}
list( $plugin ) = explode( '/', $plugin );
if ( ! array_key_exists( $plugin, $GLOBALS['_paused_plugins'] ) ) {
return false;
}
return $GLOBALS['_paused_plugins'][ $plugin ];
}
/**
* Tries to resume a single plugin.
*
* If a redirect was provided, we first ensure the plugin does not throw fatal
* errors anymore.
*
* 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 and the plugin will not be resumed.
*
* @since 5.2.0
*
* @param string $plugin Single plugin to resume.
* @param string $redirect Optional. URL to redirect to. Default empty string.
* @return true|WP_Error True on success, false if `$plugin` was not paused,
* `WP_Error` on failure.
*/
function resume_plugin( $plugin, $redirect = '' ) {
/*
* We'll override this later if the plugin could be resumed without
* creating a fatal error.
*/
if ( ! empty( $redirect ) ) {
wp_redirect(
add_query_arg(
'_error_nonce',
wp_create_nonce( 'plugin-resume-error_' . $plugin ),
$redirect
)
);
// Load the plugin to test whether it throws a fatal error.
ob_start();
plugin_sandbox_scrape( $plugin );
ob_clean();
}
list( $extension ) = explode( '/', $plugin );
$result = wp_paused_plugins()->delete( $extension );
if ( ! $result ) {
return new WP_Error(
'could_not_resume_plugin',
__( 'Could not resume the plugin.' )
);
}
return true;
}
/**
* Renders an admin notice in case some plugins have been paused due to errors.
*
* @since 5.2.0
*
* @global string $pagenow The filename of the current screen.
* @global WP_Paused_Extensions_Storage $_paused_plugins
*/
function paused_plugins_notice() {
if ( 'plugins.php' === $GLOBALS['pagenow'] ) {
return;
}
if ( ! current_user_can( 'resume_plugins' ) ) {
return;
}
if ( ! isset( $GLOBALS['_paused_plugins'] ) || empty( $GLOBALS['_paused_plugins'] ) ) {
return;
}
$message = sprintf(
'%s %s
%s',
__( 'One or more plugins failed to load properly.' ),
__( 'You can find more details and make changes on the Plugins screen.' ),
esc_url( admin_url( 'plugins.php?plugin_status=paused' ) ),
__( 'Go to the Plugins screen' )
);
wp_admin_notice(
$message,
array( 'type' => 'error' )
);
}
/**
* Renders an admin notice when a plugin was deactivated during an update.
*
* Displays an admin notice in case a plugin has been deactivated during an
* upgrade due to incompatibility with the current version of WordPress.
*
* @since 5.8.0
* @access private
*
* @global string $pagenow The filename of the current screen.
* @global string $wp_version The WordPress version string.
*/
function deactivated_plugins_notice() {
if ( 'plugins.php' === $GLOBALS['pagenow'] ) {
return;
}
if ( ! current_user_can( 'activate_plugins' ) ) {
return;
}
$blog_deactivated_plugins = get_option( 'wp_force_deactivated_plugins' );
$site_deactivated_plugins = array();
if ( false === $blog_deactivated_plugins ) {
// Option not in database, add an empty array to avoid extra DB queries on subsequent loads.
update_option( 'wp_force_deactivated_plugins', array(), false );
}
if ( is_multisite() ) {
$site_deactivated_plugins = get_site_option( 'wp_force_deactivated_plugins' );
if ( false === $site_deactivated_plugins ) {
// Option not in database, add an empty array to avoid extra DB queries on subsequent loads.
update_site_option( 'wp_force_deactivated_plugins', array() );
}
}
if ( empty( $blog_deactivated_plugins ) && empty( $site_deactivated_plugins ) ) {
// No deactivated plugins.
return;
}
$deactivated_plugins = array_merge( $blog_deactivated_plugins, $site_deactivated_plugins );
foreach ( $deactivated_plugins as $plugin ) {
if ( ! empty( $plugin['version_compatible'] ) && ! empty( $plugin['version_deactivated'] ) ) {
$explanation = sprintf(
/* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version, 4: Compatible plugin version. */
__( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s, please upgrade to %1$s %4$s or later.' ),
$plugin['plugin_name'],
$plugin['version_deactivated'],
$GLOBALS['wp_version'],
$plugin['version_compatible']
);
} else {
$explanation = sprintf(
/* translators: 1: Name of deactivated plugin, 2: Plugin version deactivated, 3: Current WP version. */
__( '%1$s %2$s was deactivated due to incompatibility with WordPress %3$s.' ),
$plugin['plugin_name'],
! empty( $plugin['version_deactivated'] ) ? $plugin['version_deactivated'] : '',
$GLOBALS['wp_version'],
$plugin['version_compatible']
);
}
$message = sprintf(
'%s %s
%s',
sprintf(
/* translators: %s: Name of deactivated plugin. */
__( '%s plugin deactivated during WordPress upgrade.' ),
$plugin['plugin_name']
),
$explanation,
esc_url( admin_url( 'plugins.php?plugin_status=inactive' ) ),
__( 'Go to the Plugins screen' )
);
wp_admin_notice( $message, array( 'type' => 'warning' ) );
}
// Empty the options.
update_option( 'wp_force_deactivated_plugins', array(), false );
if ( is_multisite() ) {
update_site_option( 'wp_force_deactivated_plugins', array() );
}
}