diff -r 490d5cc509ed -r cf61fcea0001 wp/wp-includes/option.php --- a/wp/wp-includes/option.php Tue Jun 09 11:14:17 2015 +0000 +++ b/wp/wp-includes/option.php Mon Oct 14 17:39:30 2019 +0200 @@ -7,7 +7,7 @@ */ /** - * Retrieve option value based on name of option. + * Retrieves an option value based on an option name. * * If the option does not exist or does not have a value, then the return value * will be false. This is useful to check whether you need to install an option @@ -16,10 +16,15 @@ * * If the option was serialized then it will be unserialized when it is returned. * + * Any scalar values will be returned as strings. You may coerce the return type of + * a given option by registering an {@see 'option_$option'} filter callback. + * * @since 1.5.0 * - * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. - * @param mixed $default Optional. Default value to return if the option does not exist. + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. + * @param mixed $default Optional. Default value to return if the option does not exist. * @return mixed Value set for the option. */ function get_option( $option, $default = false ) { @@ -30,7 +35,7 @@ return false; /** - * Filter the value of an existing option before it is retrieved. + * Filters the value of an existing option before it is retrieved. * * The dynamic portion of the hook name, `$option`, refers to the option name. * @@ -38,32 +43,48 @@ * the option value, returning the passed value instead. * * @since 1.5.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.9.0 The `$default` parameter was added. * - * @param bool|mixed $pre_option Value to return instead of the option value. - * Default false to skip it. + * + * @param bool|mixed $pre_option The value to return instead of the option value. This differs from + * `$default`, which is used as the fallback value in the event the option + * doesn't exist elsewhere in get_option(). Default false (to skip past the + * short-circuit). + * @param string $option Option name. + * @param mixed $default The fallback value to return if the option does not exist. + * Default is false. */ - $pre = apply_filters( 'pre_option_' . $option, false ); + $pre = apply_filters( "pre_option_{$option}", false, $option, $default ); + if ( false !== $pre ) return $pre; if ( defined( 'WP_SETUP_CONFIG' ) ) return false; - if ( ! defined( 'WP_INSTALLING' ) ) { + // Distinguish between `false` as a default, and not passing one. + $passed_default = func_num_args() > 1; + + if ( ! wp_installing() ) { // prevent non-existent options from triggering multiple queries $notoptions = wp_cache_get( 'notoptions', 'options' ); if ( isset( $notoptions[ $option ] ) ) { /** - * Filter the default value for an option. + * Filters the default value for an option. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 3.4.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.7.0 The `$passed_default` parameter was added to distinguish between a `false` value and the default parameter value. * - * @param mixed $default The default value to return if the option does not exist - * in the database. + * @param mixed $default The default value to return if the option does not exist + * in the database. + * @param string $option Option name. + * @param bool $passed_default Was `get_option()` passed a default value? */ - return apply_filters( 'default_option_' . $option, $default ); + return apply_filters( "default_option_{$option}", $default, $option, $passed_default ); } $alloptions = wp_load_alloptions(); @@ -81,11 +102,14 @@ $value = $row->option_value; wp_cache_add( $option, $value, 'options' ); } else { // option does not exist, so we must cache its non-existence + if ( ! is_array( $notoptions ) ) { + $notoptions = array(); + } $notoptions[$option] = true; wp_cache_set( 'notoptions', $notoptions, 'options' ); /** This filter is documented in wp-includes/option.php */ - return apply_filters( 'default_option_' . $option, $default ); + return apply_filters( "default_option_{$option}", $default, $option, $passed_default ); } } } @@ -97,7 +121,7 @@ $value = $row->option_value; } else { /** This filter is documented in wp-includes/option.php */ - return apply_filters( 'default_option_' . $option, $default ); + return apply_filters( "default_option_{$option}", $default, $option, $passed_default ); } } @@ -109,17 +133,19 @@ $value = untrailingslashit( $value ); /** - * Filter the value of an existing option. + * Filters the value of an existing option. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 1.5.0 As 'option_' . $setting * @since 3.0.0 + * @since 4.4.0 The `$option` parameter was added. * - * @param mixed $value Value of the option. If stored serialized, it will be - * unserialized prior to being returned. + * @param mixed $value Value of the option. If stored serialized, it will be + * unserialized prior to being returned. + * @param string $option Option name. */ - return apply_filters( 'option_' . $option, maybe_unserialize( $value ) ); + return apply_filters( "option_{$option}", maybe_unserialize( $value ), $option ); } /** @@ -153,30 +179,52 @@ * * @since 2.2.0 * + * @global wpdb $wpdb WordPress database abstraction object. + * * @return array List of all options. */ function wp_load_alloptions() { global $wpdb; - if ( !defined( 'WP_INSTALLING' ) || !is_multisite() ) + if ( ! wp_installing() || ! is_multisite() ) { $alloptions = wp_cache_get( 'alloptions', 'options' ); - else + } else { $alloptions = false; + } - if ( !$alloptions ) { + if ( ! $alloptions ) { $suppress = $wpdb->suppress_errors(); - if ( !$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) + if ( ! $alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) { $alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ); - $wpdb->suppress_errors($suppress); + } + $wpdb->suppress_errors( $suppress ); + $alloptions = array(); foreach ( (array) $alloptions_db as $o ) { $alloptions[$o->option_name] = $o->option_value; } - if ( !defined( 'WP_INSTALLING' ) || !is_multisite() ) + + if ( ! wp_installing() || ! is_multisite() ) { + /** + * Filters all options before caching them. + * + * @since 4.9.0 + * + * @param array $alloptions Array with all options. + */ + $alloptions = apply_filters( 'pre_cache_alloptions', $alloptions ); wp_cache_add( 'alloptions', $alloptions, 'options' ); + } } - return $alloptions; + /** + * Filters all options after retrieving them. + * + * @since 4.9.0 + * + * @param array $alloptions Array with all options. + */ + return apply_filters( 'alloptions', $alloptions ); } /** @@ -184,25 +232,27 @@ * * @since 3.0.0 * - * @param int $site_id Optional site ID for which to query the options. Defaults to the current site. + * @global wpdb $wpdb WordPress database abstraction object. + * + * @param int $network_id Optional site ID for which to query the options. Defaults to the current site. */ -function wp_load_core_site_options( $site_id = null ) { +function wp_load_core_site_options( $network_id = null ) { global $wpdb; - if ( !is_multisite() || wp_using_ext_object_cache() || defined( 'WP_INSTALLING' ) ) + if ( ! is_multisite() || wp_using_ext_object_cache() || wp_installing() ) return; - if ( empty($site_id) ) - $site_id = $wpdb->siteid; + if ( empty($network_id) ) + $network_id = get_current_network_id(); $core_options = array('site_name', 'siteurl', 'active_sitewide_plugins', '_site_transient_timeout_theme_roots', '_site_transient_theme_roots', 'site_admins', 'can_compress_scripts', 'global_terms_enabled', 'ms_files_rewriting' ); $core_options_in = "'" . implode("', '", $core_options) . "'"; - $options = $wpdb->get_results( $wpdb->prepare("SELECT meta_key, meta_value FROM $wpdb->sitemeta WHERE meta_key IN ($core_options_in) AND site_id = %d", $site_id) ); + $options = $wpdb->get_results( $wpdb->prepare( "SELECT meta_key, meta_value FROM $wpdb->sitemeta WHERE meta_key IN ($core_options_in) AND site_id = %d", $network_id ) ); foreach ( $options as $option ) { $key = $option->meta_key; - $cache_key = "{$site_id}:$key"; + $cache_key = "{$network_id}:$key"; $option->meta_value = maybe_unserialize( $option->meta_value ); wp_cache_set( $cache_key, $option->meta_value, 'site-options' ); @@ -216,19 +266,20 @@ * it will be serialized before it is inserted into the database. Remember, * resources can not be serialized or added as an option. * - * If the option does not exist, then the option will be added with the option - * value, but you will not be able to set whether it is autoloaded. If you want - * to set whether an option is autoloaded, then you need to use the add_option(). + * If the option does not exist, then the option will be added with the option value, + * with an `$autoload` value of 'yes'. * * @since 1.0.0 * @since 4.2.0 The `$autoload` parameter was added. * + * @global wpdb $wpdb WordPress database abstraction object. + * * @param string $option Option name. Expected to not be SQL-escaped. * @param mixed $value Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped. * @param string|bool $autoload Optional. Whether to load the option when WordPress starts up. For existing options, * `$autoload` can only be updated using `update_option()` if `$value` is also changed. - * Accepts 'yes' or true to enable, 'no' or false to disable. For non-existent options, - * the default value is 'yes'. + * Accepts 'yes'|true to enable or 'no'|false to disable. For non-existent options, + * the default value is 'yes'. Default null. * @return bool False if value was not updated and true if value was updated. */ function update_option( $option, $value, $autoload = null ) { @@ -247,19 +298,21 @@ $old_value = get_option( $option ); /** - * Filter a specific option before its value is (maybe) serialized and updated. + * Filters a specific option before its value is (maybe) serialized and updated. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.6.0 + * @since 4.4.0 The `$option` parameter was added. * - * @param mixed $value The new, unserialized option value. - * @param mixed $old_value The old option value. + * @param mixed $value The new, unserialized option value. + * @param mixed $old_value The old option value. + * @param string $option Option name. */ - $value = apply_filters( 'pre_update_option_' . $option, $value, $old_value ); + $value = apply_filters( "pre_update_option_{$option}", $value, $old_value, $option ); /** - * Filter an option before its value is (maybe) serialized and updated. + * Filters an option before its value is (maybe) serialized and updated. * * @since 3.9.0 * @@ -269,12 +322,21 @@ */ $value = apply_filters( 'pre_update_option', $value, $option, $old_value ); - // If the new and old values are the same, no need to update. - if ( $value === $old_value ) + /* + * If the new and old values are the same, no need to update. + * + * Unserialized values will be adequate in most cases. If the unserialized + * data differs, the (maybe) serialized data is checked to avoid + * unnecessary database calls for otherwise identical object instances. + * + * See https://core.trac.wordpress.org/ticket/38903 + */ + if ( $value === $old_value || maybe_serialize( $value ) === maybe_serialize( $old_value ) ) { return false; + } /** This filter is documented in wp-includes/option.php */ - if ( apply_filters( 'default_option_' . $option, false ) === $old_value ) { + if ( apply_filters( "default_option_{$option}", false, $option, false ) === $old_value ) { // Default setting for new options is 'yes'. if ( null === $autoload ) { $autoload = 'yes'; @@ -314,7 +376,7 @@ wp_cache_set( 'notoptions', $notoptions, 'options' ); } - if ( ! defined( 'WP_INSTALLING' ) ) { + if ( ! wp_installing() ) { $alloptions = wp_load_alloptions(); if ( isset( $alloptions[$option] ) ) { $alloptions[ $option ] = $serialized_value; @@ -330,11 +392,13 @@ * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.0.1 + * @since 4.4.0 The `$option` parameter was added. * - * @param mixed $old_value The old option value. - * @param mixed $value The new option value. + * @param mixed $old_value The old option value. + * @param mixed $value The new option value. + * @param string $option Option name. */ - do_action( "update_option_{$option}", $old_value, $value ); + do_action( "update_option_{$option}", $old_value, $value, $option ); /** * Fires after the value of an option has been successfully updated. @@ -363,6 +427,8 @@ * * @since 1.0.0 * + * @global wpdb $wpdb WordPress database abstraction object. + * * @param string $option Name of option to add. Expected to not be SQL-escaped. * @param mixed $value Optional. Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped. * @param string $deprecated Optional. Description. Not used anymore. @@ -374,7 +440,7 @@ global $wpdb; if ( !empty( $deprecated ) ) - _deprecated_argument( __FUNCTION__, '2.3' ); + _deprecated_argument( __FUNCTION__, '2.3.0' ); $option = trim($option); if ( empty($option) ) @@ -391,7 +457,7 @@ $notoptions = wp_cache_get( 'notoptions', 'options' ); if ( !is_array( $notoptions ) || !isset( $notoptions[$option] ) ) /** This filter is documented in wp-includes/option.php */ - if ( apply_filters( 'default_option_' . $option, false ) !== get_option( $option ) ) + if ( apply_filters( "default_option_{$option}", false, $option, false ) !== get_option( $option ) ) return false; $serialized_value = maybe_serialize( $value ); @@ -411,7 +477,7 @@ if ( ! $result ) return false; - if ( ! defined( 'WP_INSTALLING' ) ) { + if ( ! wp_installing() ) { if ( 'yes' == $autoload ) { $alloptions = wp_load_alloptions(); $alloptions[ $option ] = $serialized_value; @@ -458,6 +524,8 @@ * * @since 1.2.0 * + * @global wpdb $wpdb WordPress database abstraction object. + * * @param string $option Name of option to remove. Expected to not be SQL-escaped. * @return bool True, if option is successfully deleted. False on failure. */ @@ -485,7 +553,7 @@ do_action( 'delete_option', $option ); $result = $wpdb->delete( $wpdb->options, array( 'option_name' => $option ) ); - if ( ! defined( 'WP_INSTALLING' ) ) { + if ( ! wp_installing() ) { if ( 'yes' == $row->autoload ) { $alloptions = wp_load_alloptions(); if ( is_array( $alloptions ) && isset( $alloptions[$option] ) ) { @@ -507,7 +575,7 @@ * * @param string $option Name of the deleted option. */ - do_action( "delete_option_$option", $option ); + do_action( "delete_option_{$option}", $option ); /** * Fires after an option has been deleted. @@ -541,7 +609,7 @@ * * @param string $transient Transient name. */ - do_action( 'delete_transient_' . $transient, $transient ); + do_action( "delete_transient_{$transient}", $transient ); if ( wp_using_ext_object_cache() ) { $result = wp_cache_delete( $transient, 'transient' ); @@ -581,8 +649,8 @@ */ function get_transient( $transient ) { - /** - * Filter the value of an existing transient. + /** + * Filters the value of an existing transient. * * The dynamic portion of the hook name, `$transient`, refers to the transient name. * @@ -590,12 +658,14 @@ * of the transient, returning the passed value instead. * * @since 2.8.0 + * @since 4.4.0 The `$transient` parameter was added * - * @param mixed $pre_transient The default value to return if the transient does not exist. - * Any value other than false will short-circuit the retrieval - * of the transient, and return the returned value. + * @param mixed $pre_transient The default value to return if the transient does not exist. + * Any value other than false will short-circuit the retrieval + * of the transient, and return the returned value. + * @param string $transient Transient name. */ - $pre = apply_filters( 'pre_transient_' . $transient, false ); + $pre = apply_filters( "pre_transient_{$transient}", false, $transient ); if ( false !== $pre ) return $pre; @@ -603,12 +673,13 @@ $value = wp_cache_get( $transient, 'transient' ); } else { $transient_option = '_transient_' . $transient; - if ( ! defined( 'WP_INSTALLING' ) ) { + if ( ! wp_installing() ) { // If option is not in alloptions, it is not autoloaded and thus has a timeout $alloptions = wp_load_alloptions(); if ( !isset( $alloptions[$transient_option] ) ) { $transient_timeout = '_transient_timeout_' . $transient; - if ( get_option( $transient_timeout ) < time() ) { + $timeout = get_option( $transient_timeout ); + if ( false !== $timeout && $timeout < time() ) { delete_option( $transient_option ); delete_option( $transient_timeout ); $value = false; @@ -621,15 +692,17 @@ } /** - * Filter an existing transient's value. + * Filters an existing transient's value. * * The dynamic portion of the hook name, `$transient`, refers to the transient name. * * @since 2.8.0 + * @since 4.4.0 The `$transient` parameter was added * - * @param mixed $value Value of transient. + * @param mixed $value Value of transient. + * @param string $transient Transient name. */ - return apply_filters( 'transient_' . $transient, $value ); + return apply_filters( "transient_{$transient}", $value, $transient ); } /** @@ -641,10 +714,10 @@ * @since 2.8.0 * * @param string $transient Transient name. Expected to not be SQL-escaped. Must be - * 45 characters or fewer in length. + * 172 characters or fewer in length. * @param mixed $value Transient value. Must be serializable if non-scalar. * Expected to not be SQL-escaped. - * @param int $expiration Optional. Time until expiration in seconds. Default 0. + * @param int $expiration Optional. Time until expiration in seconds. Default 0 (no expiration). * @return bool False if value was not set and true if value was set. */ function set_transient( $transient, $value, $expiration = 0 ) { @@ -652,46 +725,61 @@ $expiration = (int) $expiration; /** - * Filter a specific transient before its value is set. + * Filters a specific transient before its value is set. * * The dynamic portion of the hook name, `$transient`, refers to the transient name. * * @since 3.0.0 - * @since 4.2.0 Added `$expiration` parameter. + * @since 4.2.0 The `$expiration` parameter was added. + * @since 4.4.0 The `$transient` parameter was added. * - * @param mixed $value New value of transient. - * @param int $expiration Time until expiration in seconds. + * @param mixed $value New value of transient. + * @param int $expiration Time until expiration in seconds. + * @param string $transient Transient name. */ - $value = apply_filters( 'pre_set_transient_' . $transient, $value, $expiration ); + $value = apply_filters( "pre_set_transient_{$transient}", $value, $expiration, $transient ); + + /** + * Filters the expiration for a transient before its value is set. + * + * The dynamic portion of the hook name, `$transient`, refers to the transient name. + * + * @since 4.4.0 + * + * @param int $expiration Time until expiration in seconds. Use 0 for no expiration. + * @param mixed $value New value of transient. + * @param string $transient Transient name. + */ + $expiration = apply_filters( "expiration_of_transient_{$transient}", $expiration, $value, $transient ); if ( wp_using_ext_object_cache() ) { $result = wp_cache_set( $transient, $value, 'transient', $expiration ); } else { $transient_timeout = '_transient_timeout_' . $transient; - $transient = '_transient_' . $transient; - if ( false === get_option( $transient ) ) { + $transient_option = '_transient_' . $transient; + if ( false === get_option( $transient_option ) ) { $autoload = 'yes'; if ( $expiration ) { $autoload = 'no'; add_option( $transient_timeout, time() + $expiration, '', 'no' ); } - $result = add_option( $transient, $value, '', $autoload ); + $result = add_option( $transient_option, $value, '', $autoload ); } else { // If expiration is requested, but the transient has no timeout option, // delete, then re-create transient rather than update. $update = true; if ( $expiration ) { if ( false === get_option( $transient_timeout ) ) { - delete_option( $transient ); + delete_option( $transient_option ); add_option( $transient_timeout, time() + $expiration, '', 'no' ); - $result = add_option( $transient, $value, '', 'no' ); + $result = add_option( $transient_option, $value, '', 'no' ); $update = false; } else { update_option( $transient_timeout, time() + $expiration ); } } if ( $update ) { - $result = update_option( $transient, $value ); + $result = update_option( $transient_option, $value ); } } } @@ -704,20 +792,24 @@ * The dynamic portion of the hook name, `$transient`, refers to the transient name. * * @since 3.0.0 + * @since 3.6.0 The `$value` and `$expiration` parameters were added. + * @since 4.4.0 The `$transient` parameter was added. * - * @param mixed $value Transient value. - * @param int $expiration Time until expiration in seconds. Default 0. + * @param mixed $value Transient value. + * @param int $expiration Time until expiration in seconds. + * @param string $transient The name of the transient. */ - do_action( 'set_transient_' . $transient, $value, $expiration ); + do_action( "set_transient_{$transient}", $value, $expiration, $transient ); /** * Fires after the value for a transient has been set. * * @since 3.0.0 + * @since 3.6.0 The `$value` and `$expiration` parameters were added. * * @param string $transient The name of the transient. * @param mixed $value Transient value. - * @param int $expiration Time until expiration in seconds. Default 0. + * @param int $expiration Time until expiration in seconds. */ do_action( 'setted_transient', $transient, $value, $expiration ); } @@ -725,6 +817,61 @@ } /** + * Deletes all expired transients. + * + * The multi-table delete syntax is used to delete the transient record + * from table a, and the corresponding transient_timeout record from table b. + * + * @since 4.9.0 + * + * @param bool $force_db Optional. Force cleanup to run against the database even when an external object cache is used. + */ +function delete_expired_transients( $force_db = false ) { + global $wpdb; + + if ( ! $force_db && wp_using_ext_object_cache() ) { + return; + } + + $wpdb->query( $wpdb->prepare( + "DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b + WHERE a.option_name LIKE %s + AND a.option_name NOT LIKE %s + AND b.option_name = CONCAT( '_transient_timeout_', SUBSTRING( a.option_name, 12 ) ) + AND b.option_value < %d", + $wpdb->esc_like( '_transient_' ) . '%', + $wpdb->esc_like( '_transient_timeout_' ) . '%', + time() + ) ); + + if ( ! is_multisite() ) { + // non-Multisite stores site transients in the options table. + $wpdb->query( $wpdb->prepare( + "DELETE a, b FROM {$wpdb->options} a, {$wpdb->options} b + WHERE a.option_name LIKE %s + AND a.option_name NOT LIKE %s + AND b.option_name = CONCAT( '_site_transient_timeout_', SUBSTRING( a.option_name, 17 ) ) + AND b.option_value < %d", + $wpdb->esc_like( '_site_transient_' ) . '%', + $wpdb->esc_like( '_site_transient_timeout_' ) . '%', + time() + ) ); + } elseif ( is_multisite() && is_main_site() && is_main_network() ) { + // Multisite stores site transients in the sitemeta table. + $wpdb->query( $wpdb->prepare( + "DELETE a, b FROM {$wpdb->sitemeta} a, {$wpdb->sitemeta} b + WHERE a.meta_key LIKE %s + AND a.meta_key NOT LIKE %s + AND b.meta_key = CONCAT( '_site_transient_timeout_', SUBSTRING( a.meta_key, 17 ) ) + AND b.meta_value < %d", + $wpdb->esc_like( '_site_transient_' ) . '%', + $wpdb->esc_like( '_site_transient_timeout_' ) . '%', + time() + ) ); + } +} + +/** * Saves and restores user interface settings stored in a cookie. * * Checks if the current user-settings cookie is updated and stores it. When no @@ -735,7 +882,7 @@ */ function wp_user_settings() { - if ( ! is_admin() || defined( 'DOING_AJAX' ) ) { + if ( ! is_admin() || wp_doing_ajax() ) { return; } @@ -743,7 +890,7 @@ return; } - if ( is_super_admin() && ! is_user_member_of_blog() ) { + if ( ! is_user_member_of_blog() ) { return; } @@ -768,7 +915,7 @@ } // The cookie is not set in the current browser or the saved value is newer. - $secure = ( 'https' === parse_url( site_url(), PHP_URL_SCHEME ) ); + $secure = ( 'https' === parse_url( admin_url(), PHP_URL_SCHEME ) ); setcookie( 'wp-settings-' . $user_id, $settings, time() + YEAR_IN_SECONDS, SITECOOKIEPATH, null, $secure ); setcookie( 'wp-settings-time-' . $user_id, time(), time() + YEAR_IN_SECONDS, SITECOOKIEPATH, null, $secure ); $_COOKIE['wp-settings-' . $user_id] = $settings; @@ -779,7 +926,7 @@ * * @since 2.7.0 * - * @param string $name The name of the setting. + * @param string $name The name of the setting. * @param string $default Optional default value to return when $name is not set. * @return mixed the last saved user setting or the default value/false if it doesn't exist. */ @@ -793,16 +940,16 @@ * Add or update user interface setting. * * Both $name and $value can contain only ASCII letters, numbers and underscores. + * * This function has to be used before any output has started as it calls setcookie(). * * @since 2.8.0 * - * @param string $name The name of the setting. + * @param string $name The name of the setting. * @param string $value The value for the setting. - * @return null|bool true if set successfully/false if not. + * @return bool|null True if set successfully, false if not. Null if the current user can't be established. */ function set_user_setting( $name, $value ) { - if ( headers_sent() ) { return false; } @@ -817,15 +964,15 @@ * Delete user interface settings. * * Deleting settings would reset them to the defaults. + * * This function has to be used before any output has started as it calls setcookie(). * * @since 2.7.0 * * @param string $names The name or array of names of the setting to be deleted. - * @return null|bool true if deleted successfully/false if not. + * @return bool|null True if deleted successfully, false if not. Null if the current user can't be established. */ function delete_user_setting( $names ) { - if ( headers_sent() ) { return false; } @@ -853,6 +1000,8 @@ * * @since 2.7.0 * + * @global array $_updated_user_settings + * * @return array the last saved user settings or empty array. */ function get_all_user_settings() { @@ -869,7 +1018,7 @@ $user_settings = array(); if ( isset( $_COOKIE['wp-settings-' . $user_id] ) ) { - $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user_id] ); + $cookie = preg_replace( '/[^A-Za-z0-9=&_-]/', '', $_COOKIE['wp-settings-' . $user_id] ); if ( strpos( $cookie, '=' ) ) { // '=' cannot be 1st char parse_str( $cookie, $user_settings ); @@ -890,9 +1039,13 @@ * Private. Set all user interface settings. * * @since 2.8.0 + * @access private * - * @param array $user_settings - * @return null|bool + * @global array $_updated_user_settings + * + * @param array $user_settings User settings. + * @return bool|null False if the current user can't be found, null if the current + * user is not a super admin or a member of the site, otherwise true. */ function wp_set_all_user_settings( $user_settings ) { global $_updated_user_settings; @@ -901,14 +1054,14 @@ return false; } - if ( is_super_admin() && ! is_user_member_of_blog() ) { + if ( ! is_user_member_of_blog() ) { return; } $settings = ''; foreach ( $user_settings as $name => $value ) { - $_name = preg_replace( '/[^A-Za-z0-9_]+/', '', $name ); - $_value = preg_replace( '/[^A-Za-z0-9_]+/', '', $value ); + $_name = preg_replace( '/[^A-Za-z0-9_-]+/', '', $name ); + $_value = preg_replace( '/[^A-Za-z0-9_-]+/', '', $value ); if ( ! empty( $_name ) ) { $settings .= $_name . '=' . $_value . '&'; @@ -939,22 +1092,102 @@ } /** - * Retrieve site option value based on name of option. + * Retrieve an option value for the current network based on name of option. + * + * @since 2.8.0 + * @since 4.4.0 The `$use_cache` parameter was deprecated. + * @since 4.4.0 Modified into wrapper for get_network_option() + * + * @see get_network_option() + * + * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. + * @param mixed $default Optional value to return if option doesn't exist. Default false. + * @param bool $deprecated Whether to use cache. Multisite only. Always set to true. + * @return mixed Value set for the option. + */ +function get_site_option( $option, $default = false, $deprecated = true ) { + return get_network_option( null, $option, $default ); +} + +/** + * Add a new option for the current network. + * + * Existing options will not be updated. Note that prior to 3.3 this wasn't the case. * * @since 2.8.0 + * @since 4.4.0 Modified into wrapper for add_network_option() + * + * @see add_network_option() + * + * @param string $option Name of option to add. Expected to not be SQL-escaped. + * @param mixed $value Option value, can be anything. Expected to not be SQL-escaped. + * @return bool False if the option was not added. True if the option was added. + */ +function add_site_option( $option, $value ) { + return add_network_option( null, $option, $value ); +} + +/** + * Removes a option by name for the current network. + * + * @since 2.8.0 + * @since 4.4.0 Modified into wrapper for delete_network_option() + * + * @see delete_network_option() + * + * @param string $option Name of option to remove. Expected to not be SQL-escaped. + * @return bool True, if succeed. False, if failure. + */ +function delete_site_option( $option ) { + return delete_network_option( null, $option ); +} + +/** + * Update the value of an option that was already added for the current network. + * + * @since 2.8.0 + * @since 4.4.0 Modified into wrapper for update_network_option() + * + * @see update_network_option() + * + * @param string $option Name of option. Expected to not be SQL-escaped. + * @param mixed $value Option value. Expected to not be SQL-escaped. + * @return bool False if value was not updated. True if value was updated. + */ +function update_site_option( $option, $value ) { + return update_network_option( null, $option, $value ); +} + +/** + * Retrieve a network's option value based on the option name. + * + * @since 4.4.0 * * @see get_option() * - * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. - * @param mixed $default Optional value to return if option doesn't exist. Default false. - * @param bool $use_cache Whether to use cache. Multisite only. Default true. + * @global wpdb $wpdb + * + * @param int $network_id ID of the network. Can be null to default to the current network ID. + * @param string $option Name of option to retrieve. Expected to not be SQL-escaped. + * @param mixed $default Optional. Value to return if the option doesn't exist. Default false. * @return mixed Value set for the option. */ -function get_site_option( $option, $default = false, $use_cache = true ) { +function get_network_option( $network_id, $option, $default = false ) { global $wpdb; + if ( $network_id && ! is_numeric( $network_id ) ) { + return false; + } + + $network_id = (int) $network_id; + + // Fallback to the current network if a network ID is not specified. + if ( ! $network_id ) { + $network_id = get_current_network_id(); + } + /** - * Filter an existing site option before it is retrieved. + * Filters an existing network option before it is retrieved. * * The dynamic portion of the hook name, `$option`, refers to the option name. * @@ -963,45 +1196,58 @@ * * @since 2.9.0 As 'pre_site_option_' . $key * @since 3.0.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.7.0 The `$network_id` parameter was added. + * @since 4.9.0 The `$default` parameter was added. * - * @param mixed $pre_option The default value to return if the option does not exist. + * @param mixed $pre_option The value to return instead of the option value. This differs from + * `$default`, which is used as the fallback value in the event the + * option doesn't exist elsewhere in get_network_option(). Default + * is false (to skip past the short-circuit). + * @param string $option Option name. + * @param int $network_id ID of the network. + * @param mixed $default The fallback value to return if the option does not exist. + * Default is false. */ - $pre = apply_filters( 'pre_site_option_' . $option, false ); + $pre = apply_filters( "pre_site_option_{$option}", false, $option, $network_id, $default ); - if ( false !== $pre ) - return $pre; + if ( false !== $pre ) { + return $pre; + } // prevent non-existent options from triggering multiple queries - $notoptions_key = "{$wpdb->siteid}:notoptions"; + $notoptions_key = "$network_id:notoptions"; $notoptions = wp_cache_get( $notoptions_key, 'site-options' ); - if ( isset( $notoptions[$option] ) ) { + if ( isset( $notoptions[ $option ] ) ) { /** - * Filter a specific default site option. + * Filters a specific default network option. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 3.4.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.7.0 The `$network_id` parameter was added. * - * @param mixed $default The value to return if the site option does not exist - * in the database. + * @param mixed $default The value to return if the site option does not exist + * in the database. + * @param string $option Option name. + * @param int $network_id ID of the network. */ - return apply_filters( 'default_site_option_' . $option, $default ); + return apply_filters( "default_site_option_{$option}", $default, $option, $network_id ); } if ( ! is_multisite() ) { - /** This filter is documented in wp-includes/option.php */ - $default = apply_filters( 'default_site_option_' . $option, $default ); - $value = get_option($option, $default); + $default = apply_filters( 'default_site_option_' . $option, $default, $option, $network_id ); + $value = get_option( $option, $default ); } else { - $cache_key = "{$wpdb->siteid}:$option"; - if ( $use_cache ) - $value = wp_cache_get($cache_key, 'site-options'); + $cache_key = "$network_id:$option"; + $value = wp_cache_get( $cache_key, 'site-options' ); - if ( !isset($value) || (false === $value) ) { - $row = $wpdb->get_row( $wpdb->prepare("SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) ); + if ( ! isset( $value ) || false === $value ) { + $row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE meta_key = %s AND site_id = %d", $option, $network_id ) ); // Has to be get_row instead of get_var because of funkiness with 0, false, null values if ( is_object( $row ) ) { @@ -1009,85 +1255,113 @@ $value = maybe_unserialize( $value ); wp_cache_set( $cache_key, $value, 'site-options' ); } else { - $notoptions[$option] = true; + if ( ! is_array( $notoptions ) ) { + $notoptions = array(); + } + $notoptions[ $option ] = true; wp_cache_set( $notoptions_key, $notoptions, 'site-options' ); /** This filter is documented in wp-includes/option.php */ - $value = apply_filters( 'default_site_option_' . $option, $default ); + $value = apply_filters( 'default_site_option_' . $option, $default, $option, $network_id ); } } } /** - * Filter the value of an existing site option. + * Filters the value of an existing network option. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As 'site_option_' . $key * @since 3.0.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.7.0 The `$network_id` parameter was added. * - * @param mixed $value Value of site option. + * @param mixed $value Value of network option. + * @param string $option Option name. + * @param int $network_id ID of the network. */ - return apply_filters( 'site_option_' . $option, $value ); + return apply_filters( "site_option_{$option}", $value, $option, $network_id ); } /** - * Add a new site option. + * Add a new network option. * - * Existing options will not be updated. Note that prior to 3.3 this wasn't the case. + * Existing options will not be updated. * - * @since 2.8.0 + * @since 4.4.0 * * @see add_option() * - * @param string $option Name of option to add. Expected to not be SQL-escaped. - * @param mixed $value Optional. Option value, can be anything. Expected to not be SQL-escaped. + * @global wpdb $wpdb + * + * @param int $network_id ID of the network. Can be null to default to the current network ID. + * @param string $option Name of option to add. Expected to not be SQL-escaped. + * @param mixed $value Option value, can be anything. Expected to not be SQL-escaped. * @return bool False if option was not added and true if option was added. */ -function add_site_option( $option, $value ) { +function add_network_option( $network_id, $option, $value ) { global $wpdb; + if ( $network_id && ! is_numeric( $network_id ) ) { + return false; + } + + $network_id = (int) $network_id; + + // Fallback to the current network if a network ID is not specified. + if ( ! $network_id ) { + $network_id = get_current_network_id(); + } + wp_protect_special_option( $option ); /** - * Filter the value of a specific site option before it is added. + * Filters the value of a specific network option before it is added. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As 'pre_add_site_option_' . $key * @since 3.0.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.7.0 The `$network_id` parameter was added. * - * @param mixed $value Value of site option. + * @param mixed $value Value of network option. + * @param string $option Option name. + * @param int $network_id ID of the network. */ - $value = apply_filters( 'pre_add_site_option_' . $option, $value ); + $value = apply_filters( "pre_add_site_option_{$option}", $value, $option, $network_id ); - $notoptions_key = "{$wpdb->siteid}:notoptions"; + $notoptions_key = "$network_id:notoptions"; - if ( !is_multisite() ) { - $result = add_option( $option, $value ); + if ( ! is_multisite() ) { + $result = add_option( $option, $value, '', 'no' ); } else { - $cache_key = "{$wpdb->siteid}:$option"; + $cache_key = "$network_id:$option"; // Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query $notoptions = wp_cache_get( $notoptions_key, 'site-options' ); - if ( ! is_array( $notoptions ) || ! isset( $notoptions[$option] ) ) - if ( false !== get_site_option( $option ) ) + if ( ! is_array( $notoptions ) || ! isset( $notoptions[ $option ] ) ) { + if ( false !== get_network_option( $network_id, $option, false ) ) { return false; + } + } $value = sanitize_option( $option, $value ); $serialized_value = maybe_serialize( $value ); - $result = $wpdb->insert( $wpdb->sitemeta, array('site_id' => $wpdb->siteid, 'meta_key' => $option, 'meta_value' => $serialized_value ) ); + $result = $wpdb->insert( $wpdb->sitemeta, array( 'site_id' => $network_id, 'meta_key' => $option, 'meta_value' => $serialized_value ) ); - if ( ! $result ) + if ( ! $result ) { return false; + } wp_cache_set( $cache_key, $value, 'site-options' ); // This option exists now $notoptions = wp_cache_get( $notoptions_key, 'site-options' ); // yes, again... we need it to be fresh - if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) { - unset( $notoptions[$option] ); + if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) { + unset( $notoptions[ $option ] ); wp_cache_set( $notoptions_key, $notoptions, 'site-options' ); } } @@ -1095,151 +1369,199 @@ if ( $result ) { /** - * Fires after a specific site option has been successfully added. + * Fires after a specific network option has been successfully added. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As "add_site_option_{$key}" * @since 3.0.0 + * @since 4.7.0 The `$network_id` parameter was added. * - * @param string $option Name of site option. - * @param mixed $value Value of site option. + * @param string $option Name of the network option. + * @param mixed $value Value of the network option. + * @param int $network_id ID of the network. */ - do_action( "add_site_option_{$option}", $option, $value ); + do_action( "add_site_option_{$option}", $option, $value, $network_id ); /** - * Fires after a site option has been successfully added. + * Fires after a network option has been successfully added. * * @since 3.0.0 + * @since 4.7.0 The `$network_id` parameter was added. * - * @param string $option Name of site option. - * @param mixed $value Value of site option. + * @param string $option Name of the network option. + * @param mixed $value Value of the network option. + * @param int $network_id ID of the network. */ - do_action( "add_site_option", $option, $value ); + do_action( 'add_site_option', $option, $value, $network_id ); return true; } + return false; } /** - * Removes site option by name. + * Removes a network option by name. * - * @since 2.8.0 + * @since 4.4.0 * * @see delete_option() * - * @param string $option Name of option to remove. Expected to not be SQL-escaped. + * @global wpdb $wpdb + * + * @param int $network_id ID of the network. Can be null to default to the current network ID. + * @param string $option Name of option to remove. Expected to not be SQL-escaped. * @return bool True, if succeed. False, if failure. */ -function delete_site_option( $option ) { +function delete_network_option( $network_id, $option ) { global $wpdb; - // ms_protect_special_option( $option ); @todo + if ( $network_id && ! is_numeric( $network_id ) ) { + return false; + } + + $network_id = (int) $network_id; + + // Fallback to the current network if a network ID is not specified. + if ( ! $network_id ) { + $network_id = get_current_network_id(); + } /** - * Fires immediately before a specific site option is deleted. + * Fires immediately before a specific network option is deleted. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 3.0.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.7.0 The `$network_id` parameter was added. + * + * @param string $option Option name. + * @param int $network_id ID of the network. */ - do_action( 'pre_delete_site_option_' . $option ); + do_action( "pre_delete_site_option_{$option}", $option, $network_id ); - if ( !is_multisite() ) { + if ( ! is_multisite() ) { $result = delete_option( $option ); } else { - $row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $wpdb->siteid ) ); - if ( is_null( $row ) || !$row->meta_id ) + $row = $wpdb->get_row( $wpdb->prepare( "SELECT meta_id FROM {$wpdb->sitemeta} WHERE meta_key = %s AND site_id = %d", $option, $network_id ) ); + if ( is_null( $row ) || ! $row->meta_id ) { return false; - $cache_key = "{$wpdb->siteid}:$option"; + } + $cache_key = "$network_id:$option"; wp_cache_delete( $cache_key, 'site-options' ); - $result = $wpdb->delete( $wpdb->sitemeta, array( 'meta_key' => $option, 'site_id' => $wpdb->siteid ) ); + $result = $wpdb->delete( $wpdb->sitemeta, array( 'meta_key' => $option, 'site_id' => $network_id ) ); } if ( $result ) { /** - * Fires after a specific site option has been deleted. + * Fires after a specific network option has been deleted. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As "delete_site_option_{$key}" * @since 3.0.0 + * @since 4.7.0 The `$network_id` parameter was added. * - * @param string $option Name of the site option. + * @param string $option Name of the network option. + * @param int $network_id ID of the network. */ - do_action( "delete_site_option_{$option}", $option ); + do_action( "delete_site_option_{$option}", $option, $network_id ); /** - * Fires after a site option has been deleted. + * Fires after a network option has been deleted. * * @since 3.0.0 + * @since 4.7.0 The `$network_id` parameter was added. * - * @param string $option Name of the site option. + * @param string $option Name of the network option. + * @param int $network_id ID of the network. */ - do_action( "delete_site_option", $option ); + do_action( 'delete_site_option', $option, $network_id ); return true; } + return false; } /** - * Update the value of a site option that was already added. + * Update the value of a network option that was already added. * - * @since 2.8.0 + * @since 4.4.0 * * @see update_option() * - * @param string $option Name of option. Expected to not be SQL-escaped. - * @param mixed $value Option value. Expected to not be SQL-escaped. + * @global wpdb $wpdb + * + * @param int $network_id ID of the network. Can be null to default to the current network ID. + * @param string $option Name of option. Expected to not be SQL-escaped. + * @param mixed $value Option value. Expected to not be SQL-escaped. * @return bool False if value was not updated and true if value was updated. */ -function update_site_option( $option, $value ) { +function update_network_option( $network_id, $option, $value ) { global $wpdb; + if ( $network_id && ! is_numeric( $network_id ) ) { + return false; + } + + $network_id = (int) $network_id; + + // Fallback to the current network if a network ID is not specified. + if ( ! $network_id ) { + $network_id = get_current_network_id(); + } + wp_protect_special_option( $option ); - $old_value = get_site_option( $option ); + $old_value = get_network_option( $network_id, $option, false ); /** - * Filter a specific site option before its value is updated. + * Filters a specific network option before its value is updated. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As 'pre_update_site_option_' . $key * @since 3.0.0 + * @since 4.4.0 The `$option` parameter was added. + * @since 4.7.0 The `$network_id` parameter was added. * - * @param mixed $value New value of site option. - * @param mixed $old_value Old value of site option. + * @param mixed $value New value of the network option. + * @param mixed $old_value Old value of the network option. + * @param string $option Option name. + * @param int $network_id ID of the network. */ - $value = apply_filters( 'pre_update_site_option_' . $option, $value, $old_value ); + $value = apply_filters( "pre_update_site_option_{$option}", $value, $old_value, $option, $network_id ); - if ( $value === $old_value ) + if ( $value === $old_value ) { return false; - - if ( false === $old_value ) - return add_site_option( $option, $value ); + } - $notoptions_key = "{$wpdb->siteid}:notoptions"; + if ( false === $old_value ) { + return add_network_option( $network_id, $option, $value ); + } + + $notoptions_key = "$network_id:notoptions"; $notoptions = wp_cache_get( $notoptions_key, 'site-options' ); - if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) { - unset( $notoptions[$option] ); + if ( is_array( $notoptions ) && isset( $notoptions[ $option ] ) ) { + unset( $notoptions[ $option ] ); wp_cache_set( $notoptions_key, $notoptions, 'site-options' ); } - if ( !is_multisite() ) { - $result = update_option( $option, $value ); + if ( ! is_multisite() ) { + $result = update_option( $option, $value, 'no' ); } else { $value = sanitize_option( $option, $value ); $serialized_value = maybe_serialize( $value ); - $result = $wpdb->update( $wpdb->sitemeta, array( 'meta_value' => $serialized_value ), array( 'site_id' => $wpdb->siteid, 'meta_key' => $option ) ); + $result = $wpdb->update( $wpdb->sitemeta, array( 'meta_value' => $serialized_value ), array( 'site_id' => $network_id, 'meta_key' => $option ) ); if ( $result ) { - $cache_key = "{$wpdb->siteid}:$option"; + $cache_key = "$network_id:$option"; wp_cache_set( $cache_key, $value, 'site-options' ); } } @@ -1247,32 +1569,37 @@ if ( $result ) { /** - * Fires after the value of a specific site option has been successfully updated. + * Fires after the value of a specific network option has been successfully updated. * * The dynamic portion of the hook name, `$option`, refers to the option name. * * @since 2.9.0 As "update_site_option_{$key}" * @since 3.0.0 + * @since 4.7.0 The `$network_id` parameter was added. * - * @param string $option Name of site option. - * @param mixed $value Current value of site option. - * @param mixed $old_value Old value of site option. + * @param string $option Name of the network option. + * @param mixed $value Current value of the network option. + * @param mixed $old_value Old value of the network option. + * @param int $network_id ID of the network. */ - do_action( "update_site_option_{$option}", $option, $value, $old_value ); + do_action( "update_site_option_{$option}", $option, $value, $old_value, $network_id ); /** - * Fires after the value of a site option has been successfully updated. + * Fires after the value of a network option has been successfully updated. * * @since 3.0.0 + * @since 4.7.0 The `$network_id` parameter was added. * - * @param string $option Name of site option. - * @param mixed $value Current value of site option. - * @param mixed $old_value Old value of site option. + * @param string $option Name of the network option. + * @param mixed $value Current value of the network option. + * @param mixed $old_value Old value of the network option. + * @param int $network_id ID of the network. */ - do_action( "update_site_option", $option, $value, $old_value ); + do_action( 'update_site_option', $option, $value, $old_value, $network_id ); return true; } + return false; } @@ -1295,7 +1622,7 @@ * * @param string $transient Transient name. */ - do_action( 'delete_site_transient_' . $transient, $transient ); + do_action( "delete_site_transient_{$transient}", $transient ); if ( wp_using_ext_object_cache() ) { $result = wp_cache_delete( $transient, 'site-transient' ); @@ -1337,7 +1664,7 @@ function get_site_transient( $transient ) { /** - * Filter the value of an existing site transient. + * Filters the value of an existing site transient. * * The dynamic portion of the hook name, `$transient`, refers to the transient name. * @@ -1345,12 +1672,14 @@ * returning the passed value instead. * * @since 2.9.0 + * @since 4.4.0 The `$transient` parameter was added. * - * @param mixed $pre_site_transient The default value to return if the site transient does not exist. - * Any value other than false will short-circuit the retrieval - * of the transient, and return the returned value. + * @param mixed $pre_site_transient The default value to return if the site transient does not exist. + * Any value other than false will short-circuit the retrieval + * of the transient, and return the returned value. + * @param string $transient Transient name. */ - $pre = apply_filters( 'pre_site_transient_' . $transient, false ); + $pre = apply_filters( "pre_site_transient_{$transient}", false, $transient ); if ( false !== $pre ) return $pre; @@ -1376,15 +1705,17 @@ } /** - * Filter the value of an existing site transient. + * Filters the value of an existing site transient. * * The dynamic portion of the hook name, `$transient`, refers to the transient name. * * @since 2.9.0 + * @since 4.4.0 The `$transient` parameter was added. * - * @param mixed $value Value of site transient. + * @param mixed $value Value of site transient. + * @param string $transient Transient name. */ - return apply_filters( 'site_transient_' . $transient, $value ); + return apply_filters( "site_transient_{$transient}", $value, $transient ); } /** @@ -1398,26 +1729,41 @@ * @see set_transient() * * @param string $transient Transient name. Expected to not be SQL-escaped. Must be - * 40 characters or fewer in length. + * 167 characters or fewer in length. * @param mixed $value Transient value. Expected to not be SQL-escaped. - * @param int $expiration Optional. Time until expiration in seconds. Default 0. + * @param int $expiration Optional. Time until expiration in seconds. Default 0 (no expiration). * @return bool False if value was not set and true if value was set. */ function set_site_transient( $transient, $value, $expiration = 0 ) { /** - * Filter the value of a specific site transient before it is set. + * Filters the value of a specific site transient before it is set. * * The dynamic portion of the hook name, `$transient`, refers to the transient name. * * @since 3.0.0 + * @since 4.4.0 The `$transient` parameter was added. * - * @param mixed $value Value of site transient. + * @param mixed $value New value of site transient. + * @param string $transient Transient name. */ - $value = apply_filters( 'pre_set_site_transient_' . $transient, $value ); + $value = apply_filters( "pre_set_site_transient_{$transient}", $value, $transient ); $expiration = (int) $expiration; + /** + * Filters the expiration for a site transient before its value is set. + * + * The dynamic portion of the hook name, `$transient`, refers to the transient name. + * + * @since 4.4.0 + * + * @param int $expiration Time until expiration in seconds. Use 0 for no expiration. + * @param mixed $value New value of site transient. + * @param string $transient Transient name. + */ + $expiration = apply_filters( "expiration_of_site_transient_{$transient}", $expiration, $value, $transient ); + if ( wp_using_ext_object_cache() ) { $result = wp_cache_set( $transient, $value, 'site-transient', $expiration ); } else { @@ -1441,11 +1787,13 @@ * The dynamic portion of the hook name, `$transient`, refers to the transient name. * * @since 3.0.0 + * @since 4.4.0 The `$transient` parameter was added * - * @param mixed $value Site transient value. - * @param int $expiration Time until expiration in seconds. Default 0. + * @param mixed $value Site transient value. + * @param int $expiration Time until expiration in seconds. + * @param string $transient Transient name. */ - do_action( 'set_site_transient_' . $transient, $value, $expiration ); + do_action( "set_site_transient_{$transient}", $value, $expiration, $transient ); /** * Fires after the value for a site transient has been set. @@ -1454,9 +1802,335 @@ * * @param string $transient The name of the site transient. * @param mixed $value Site transient value. - * @param int $expiration Time until expiration in seconds. Default 0. + * @param int $expiration Time until expiration in seconds. */ do_action( 'setted_site_transient', $transient, $value, $expiration ); } return $result; } + +/** + * Register default settings available in WordPress. + * + * The settings registered here are primarily useful for the REST API, so this + * does not encompass all settings available in WordPress. + * + * @since 4.7.0 + */ +function register_initial_settings() { + register_setting( 'general', 'blogname', array( + 'show_in_rest' => array( + 'name' => 'title', + ), + 'type' => 'string', + 'description' => __( 'Site title.' ), + ) ); + + register_setting( 'general', 'blogdescription', array( + 'show_in_rest' => array( + 'name' => 'description', + ), + 'type' => 'string', + 'description' => __( 'Site tagline.' ), + ) ); + + if ( ! is_multisite() ) { + register_setting( 'general', 'siteurl', array( + 'show_in_rest' => array( + 'name' => 'url', + 'schema' => array( + 'format' => 'uri', + ), + ), + 'type' => 'string', + 'description' => __( 'Site URL.' ), + ) ); + } + + if ( ! is_multisite() ) { + register_setting( 'general', 'admin_email', array( + 'show_in_rest' => array( + 'name' => 'email', + 'schema' => array( + 'format' => 'email', + ), + ), + 'type' => 'string', + 'description' => __( 'This address is used for admin purposes, like new user notification.' ), + ) ); + } + + register_setting( 'general', 'timezone_string', array( + 'show_in_rest' => array( + 'name' => 'timezone', + ), + 'type' => 'string', + 'description' => __( 'A city in the same timezone as you.' ), + ) ); + + register_setting( 'general', 'date_format', array( + 'show_in_rest' => true, + 'type' => 'string', + 'description' => __( 'A date format for all date strings.' ), + ) ); + + register_setting( 'general', 'time_format', array( + 'show_in_rest' => true, + 'type' => 'string', + 'description' => __( 'A time format for all time strings.' ), + ) ); + + register_setting( 'general', 'start_of_week', array( + 'show_in_rest' => true, + 'type' => 'integer', + 'description' => __( 'A day number of the week that the week should start on.' ), + ) ); + + register_setting( 'general', 'WPLANG', array( + 'show_in_rest' => array( + 'name' => 'language', + ), + 'type' => 'string', + 'description' => __( 'WordPress locale code.' ), + 'default' => 'en_US', + ) ); + + register_setting( 'writing', 'use_smilies', array( + 'show_in_rest' => true, + 'type' => 'boolean', + 'description' => __( 'Convert emoticons like :-) and :-P to graphics on display.' ), + 'default' => true, + ) ); + + register_setting( 'writing', 'default_category', array( + 'show_in_rest' => true, + 'type' => 'integer', + 'description' => __( 'Default post category.' ), + ) ); + + register_setting( 'writing', 'default_post_format', array( + 'show_in_rest' => true, + 'type' => 'string', + 'description' => __( 'Default post format.' ), + ) ); + + register_setting( 'reading', 'posts_per_page', array( + 'show_in_rest' => true, + 'type' => 'integer', + 'description' => __( 'Blog pages show at most.' ), + 'default' => 10, + ) ); + + register_setting( 'discussion', 'default_ping_status', array( + 'show_in_rest' => array( + 'schema' => array( + 'enum' => array( 'open', 'closed' ), + ), + ), + 'type' => 'string', + 'description' => __( 'Allow link notifications from other blogs (pingbacks and trackbacks) on new articles.' ), + ) ); + + register_setting( 'discussion', 'default_comment_status', array( + 'show_in_rest' => array( + 'schema' => array( + 'enum' => array( 'open', 'closed' ), + ), + ), + 'type' => 'string', + 'description' => __( 'Allow people to post comments on new articles.' ), + ) ); + +} + +/** + * Register a setting and its data. + * + * @since 2.7.0 + * @since 4.7.0 `$args` can be passed to set flags on the setting, similar to `register_meta()`. + * + * @global array $new_whitelist_options + * @global array $wp_registered_settings + * + * @param string $option_group A settings group name. Should correspond to a whitelisted option key name. + * Default whitelisted option key names include "general," "discussion," and "reading," among others. + * @param string $option_name The name of an option to sanitize and save. + * @param array $args { + * Data used to describe the setting when registered. + * + * @type string $type The type of data associated with this setting. + * Valid values are 'string', 'boolean', 'integer', and 'number'. + * @type string $description A description of the data attached to this setting. + * @type callable $sanitize_callback A callback function that sanitizes the option's value. + * @type bool $show_in_rest Whether data associated with this setting should be included in the REST API. + * @type mixed $default Default value when calling `get_option()`. + * } + */ +function register_setting( $option_group, $option_name, $args = array() ) { + global $new_whitelist_options, $wp_registered_settings; + + $defaults = array( + 'type' => 'string', + 'group' => $option_group, + 'description' => '', + 'sanitize_callback' => null, + 'show_in_rest' => false, + ); + + // Back-compat: old sanitize callback is added. + if ( is_callable( $args ) ) { + $args = array( + 'sanitize_callback' => $args, + ); + } + + /** + * Filters the registration arguments when registering a setting. + * + * @since 4.7.0 + * + * @param array $args Array of setting registration arguments. + * @param array $defaults Array of default arguments. + * @param string $option_group Setting group. + * @param string $option_name Setting name. + */ + $args = apply_filters( 'register_setting_args', $args, $defaults, $option_group, $option_name ); + $args = wp_parse_args( $args, $defaults ); + + if ( ! is_array( $wp_registered_settings ) ) { + $wp_registered_settings = array(); + } + + if ( 'misc' == $option_group ) { + _deprecated_argument( __FUNCTION__, '3.0.0', + /* translators: %s: misc */ + sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ), + 'misc' + ) + ); + $option_group = 'general'; + } + + if ( 'privacy' == $option_group ) { + _deprecated_argument( __FUNCTION__, '3.5.0', + /* translators: %s: privacy */ + sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ), + 'privacy' + ) + ); + $option_group = 'reading'; + } + + $new_whitelist_options[ $option_group ][] = $option_name; + if ( ! empty( $args['sanitize_callback'] ) ) { + add_filter( "sanitize_option_{$option_name}", $args['sanitize_callback'] ); + } + if ( array_key_exists( 'default', $args ) ) { + add_filter( "default_option_{$option_name}", 'filter_default_option', 10, 3 ); + } + + $wp_registered_settings[ $option_name ] = $args; +} + +/** + * Unregister a setting. + * + * @since 2.7.0 + * @since 4.7.0 `$sanitize_callback` was deprecated. The callback from `register_setting()` is now used instead. + * + * @global array $new_whitelist_options + * + * @param string $option_group The settings group name used during registration. + * @param string $option_name The name of the option to unregister. + * @param callable $deprecated Deprecated. + */ +function unregister_setting( $option_group, $option_name, $deprecated = '' ) { + global $new_whitelist_options, $wp_registered_settings; + + if ( 'misc' == $option_group ) { + _deprecated_argument( __FUNCTION__, '3.0.0', + /* translators: %s: misc */ + sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ), + 'misc' + ) + ); + $option_group = 'general'; + } + + if ( 'privacy' == $option_group ) { + _deprecated_argument( __FUNCTION__, '3.5.0', + /* translators: %s: privacy */ + sprintf( __( 'The "%s" options group has been removed. Use another settings group.' ), + 'privacy' + ) + ); + $option_group = 'reading'; + } + + $pos = array_search( $option_name, (array) $new_whitelist_options[ $option_group ] ); + if ( $pos !== false ) { + unset( $new_whitelist_options[ $option_group ][ $pos ] ); + } + if ( '' !== $deprecated ) { + _deprecated_argument( __FUNCTION__, '4.7.0', + /* translators: 1: $sanitize_callback, 2: register_setting() */ + sprintf( __( '%1$s is deprecated. The callback from %2$s is used instead.' ), + '$sanitize_callback', + 'register_setting()' + ) + ); + remove_filter( "sanitize_option_{$option_name}", $deprecated ); + } + + if ( isset( $wp_registered_settings[ $option_name ] ) ) { + // Remove the sanitize callback if one was set during registration. + if ( ! empty( $wp_registered_settings[ $option_name ]['sanitize_callback'] ) ) { + remove_filter( "sanitize_option_{$option_name}", $wp_registered_settings[ $option_name ]['sanitize_callback'] ); + } + + unset( $wp_registered_settings[ $option_name ] ); + } +} + +/** + * Retrieves an array of registered settings. + * + * @since 4.7.0 + * + * @return array List of registered settings, keyed by option name. + */ +function get_registered_settings() { + global $wp_registered_settings; + + if ( ! is_array( $wp_registered_settings ) ) { + return array(); + } + + return $wp_registered_settings; +} + +/** + * Filter the default value for the option. + * + * For settings which register a default setting in `register_setting()`, this + * function is added as a filter to `default_option_{$option}`. + * + * @since 4.7.0 + * + * @param mixed $default Existing default value to return. + * @param string $option Option name. + * @param bool $passed_default Was `get_option()` passed a default value? + * @return mixed Filtered default value. + */ +function filter_default_option( $default, $option, $passed_default ) { + if ( $passed_default ) { + return $default; + } + + $registered = get_registered_settings(); + if ( empty( $registered[ $option ] ) ) { + return $default; + } + + return $registered[ $option ]['default']; +}