= apply_filters( 'pre_update_option_' . $option, $value, $old_value ); /** * Filter an option before its value is (maybe) serialized and updated. * * @since 3.9.0 * * @param mixed $value The new, unserialized option value. * @param string $option Name of the option. * @param mixed $old_value The old option value. */ $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 ) return false; if ( false === $old_value ) return add_option( $option, $value ); $serialized_value = maybe_serialize( $value ); /** * Fires immediately before an option value is updated. * * @since 2.9.0 * * @param string $option Name of the option to update. * @param mixed $old_value The old option value. * @param mixed $value The new option value. */ do_action( 'update_option', $option, $old_value, $value ); $result = $wpdb->update( $wpdb->options, array( 'option_value' => $serialized_value ), array( 'option_name' => $option ) ); if ( ! $result ) return false; $notoptions = wp_cache_get( 'notoptions', 'options' ); if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) { unset( $notoptions[$option] ); wp_cache_set( 'notoptions', $notoptions, 'options' ); } if ( ! defined( 'WP_INSTALLING' ) ) { $alloptions = wp_load_alloptions(); if ( isset( $alloptions[$option] ) ) { $alloptions[ $option ] = $serialized_value; wp_cache_set( 'alloptions', $alloptions, 'options' ); } else { wp_cache_set( $option, $serialized_value, 'options' ); } } /** * Fires after the value of a specific option has been successfully updated. * * The dynamic portion of the hook name, $option, refers to the option name. * * @since 2.0.1 * * @param mixed $old_value The old option value. * @param mixed $value The new option value. */ do_action( "update_option_{$option}", $old_value, $value ); /** * Fires after the value of an option has been successfully updated. * * @since 2.9.0 * * @param string $option Name of the updated option. * @param mixed $old_value The old option value. * @param mixed $value The new option value. */ do_action( 'updated_option', $option, $old_value, $value ); return true; } /** * Add a new option. * * You do not need to serialize values. If the value needs to be serialized, then * it will be serialized before it is inserted into the database. Remember, * resources can not be serialized or added as an option. * * You can create options without values and then update the values later. * Existing options will not be updated and checks are performed to ensure that you * aren't adding a protected WordPress option. Care should be taken to not name * options the same as the ones which are protected. * * @since 1.0.0 * * @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 mixed $deprecated Optional. Description. Not used anymore. * @param bool $autoload Optional. Default is enabled. Whether to load the option when WordPress starts up. * @return bool False if option was not added and true if option was added. */ function add_option( $option, $value = '', $deprecated = '', $autoload = 'yes' ) { global $wpdb; if ( !empty( $deprecated ) ) _deprecated_argument( __FUNCTION__, '2.3' ); $option = trim($option); if ( empty($option) ) return false; wp_protect_special_option( $option ); if ( is_object($value) ) $value = clone $value; $value = sanitize_option( $option, $value ); // 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', 'options' ); if ( !is_array( $notoptions ) || !isset( $notoptions[$option] ) ) if ( false !== get_option( $option ) ) return false; $serialized_value = maybe_serialize( $value ); $autoload = ( 'no' === $autoload ) ? 'no' : 'yes'; /** * Fires before an option is added. * * @since 2.9.0 * * @param string $option Name of the option to add. * @param mixed $value Value of the option. */ do_action( 'add_option', $option, $value ); $result = $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)", $option, $serialized_value, $autoload ) ); if ( ! $result ) return false; if ( ! defined( 'WP_INSTALLING' ) ) { if ( 'yes' == $autoload ) { $alloptions = wp_load_alloptions(); $alloptions[ $option ] = $serialized_value; wp_cache_set( 'alloptions', $alloptions, 'options' ); } else { wp_cache_set( $option, $serialized_value, 'options' ); } } // This option exists now $notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh if ( is_array( $notoptions ) && isset( $notoptions[$option] ) ) { unset( $notoptions[$option] ); wp_cache_set( 'notoptions', $notoptions, 'options' ); } /** * Fires after a specific option has been added. * * The dynamic portion of the hook name, $option, refers to the option name. * * @since 2.5.0 As "add_option_{$name}" * @since 3.0.0 * * @param string $option Name of the option to add. * @param mixed $value Value of the option. */ do_action( "add_option_{$option}", $option, $value ); /** * Fires after an option has been added. * * @since 2.9.0 * * @param string $option Name of the added option. * @param mixed $value Value of the option. */ do_action( 'added_option', $option, $value ); return true; } /** * Removes option by name. Prevents removal of protected WordPress options. * * @since 1.2.0 * * @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. */ function delete_option( $option ) { global $wpdb; $option = trim( $option ); if ( empty( $option ) ) return false; wp_protect_special_option( $option ); // Get the ID, if no ID then return $row = $wpdb->get_row( $wpdb->prepare( "SELECT autoload FROM $wpdb->options WHERE option_name = %s", $option ) ); if ( is_null( $row ) ) return false; /** * Fires immediately before an option is deleted. * * @since 2.9.0 * * @param string $option Name of the option to delete. */ do_action( 'delete_option', $option ); $result = $wpdb->delete( $wpdb->options, array( 'option_name' => $option ) ); if ( ! defined( 'WP_INSTALLING' ) ) { if ( 'yes' == $row->autoload ) { $alloptions = wp_load_alloptions(); if ( is_array( $alloptions ) && isset( $alloptions[$option] ) ) { unset( $alloptions[$option] ); wp_cache_set( 'alloptions', $alloptions, 'options' ); } } else { wp_cache_delete( $option, 'options' ); } } if ( $result ) { /** * Fires after a specific option has been deleted. * * The dynamic portion of the hook name, $option, refers to the option name. * * @since 3.0.0 * * @param string $option Name of the deleted option. */ do_action( "delete_option_$option", $option ); /** * Fires after an option has been deleted. * * @since 2.9.0 * * @param string $option Name of the deleted option. */ do_action( 'deleted_option', $option ); return true; } return false; } /** * Delete a transient. * * @since 2.8.0 * * @param string $transient Transient name. Expected to not be SQL-escaped. * @return bool true if successful, false otherwise */ function delete_transient( $transient ) { /** * Fires immediately before a specific transient is deleted. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * @since 3.0.0 * * @param string $transient Transient name. */ do_action( 'delete_transient_' . $transient, $transient ); if ( wp_using_ext_object_cache() ) { $result = wp_cache_delete( $transient, 'transient' ); } else { $option_timeout = '_transient_timeout_' . $transient; $option = '_transient_' . $transient; $result = delete_option( $option ); if ( $result ) delete_option( $option_timeout ); } if ( $result ) { /** * Fires after a transient is deleted. * * @since 3.0.0 * * @param string $transient Deleted transient name. */ do_action( 'deleted_transient', $transient ); } return $result; } /** * Get the value of a transient. * * If the transient does not exist, does not have a value, or has expired, * then the return value will be false. * * @since 2.8.0 * * @param string $transient Transient name. Expected to not be SQL-escaped. * @return mixed Value of transient. */ function get_transient( $transient ) { /** * Filter the value of an existing transient. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * Passing a truthy value to the filter will effectively short-circuit retrieval * of the transient, returning the passed value instead. * * @since 2.8.0 * * @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. */ $pre = apply_filters( 'pre_transient_' . $transient, false ); if ( false !== $pre ) return $pre; if ( wp_using_ext_object_cache() ) { $value = wp_cache_get( $transient, 'transient' ); } else { $transient_option = '_transient_' . $transient; if ( ! defined( '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() ) { delete_option( $transient_option ); delete_option( $transient_timeout ); $value = false; } } } if ( ! isset( $value ) ) $value = get_option( $transient_option ); } /** * Filter an existing transient's value. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * @since 2.8.0 * * @param mixed $value Value of transient. */ return apply_filters( 'transient_' . $transient, $value ); } /** * Set/update the value of a transient. * * You do not need to serialize values. If the value needs to be serialized, then * it will be serialized before it is set. * * @since 2.8.0 * * @param string $transient Transient name. Expected to not be SQL-escaped. Must be * 45 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. * @return bool False if value was not set and true if value was set. */ function set_transient( $transient, $value, $expiration = 0 ) { /** * Filter 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 * * @param mixed $value New value of transient. */ $value = apply_filters( 'pre_set_transient_' . $transient, $value ); $expiration = (int) $expiration; 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 ) ) { $autoload = 'yes'; if ( $expiration ) { $autoload = 'no'; add_option( $transient_timeout, time() + $expiration, '', 'no' ); } $result = add_option( $transient, $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 ); add_option( $transient_timeout, time() + $expiration, '', 'no' ); $result = add_option( $transient, $value, '', 'no' ); $update = false; } else { update_option( $transient_timeout, time() + $expiration ); } } if ( $update ) { $result = update_option( $transient, $value ); } } } if ( $result ) { /** * Fires after the value for a specific transient has been set. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * @since 3.0.0 * * @param mixed $value Transient value. * @param int $expiration Time until expiration in seconds. Default 0. */ do_action( 'set_transient_' . $transient, $value, $expiration ); /** * Fires after the value for a transient has been set. * * @since 3.0.0 * * @param string $transient The name of the transient. * @param mixed $value Transient value. * @param int $expiration Time until expiration in seconds. Default 0. */ do_action( 'setted_transient', $transient, $value, $expiration ); } return $result; } /** * Saves and restores user interface settings stored in a cookie. * * Checks if the current user-settings cookie is updated and stores it. When no * cookie exists (different browser used), adds the last saved cookie restoring * the settings. * * @since 2.7.0 */ function wp_user_settings() { if ( ! is_admin() || defined( 'DOING_AJAX' ) ) { return; } if ( ! $user_id = get_current_user_id() ) { return; } if ( is_super_admin() && ! is_user_member_of_blog() ) { return; } $settings = (string) get_user_option( 'user-settings', $user_id ); if ( isset( $_COOKIE['wp-settings-' . $user_id] ) ) { $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user_id] ); // No change or both empty if ( $cookie == $settings ) return; $last_saved = (int) get_user_option( 'user-settings-time', $user_id ); $current = isset( $_COOKIE['wp-settings-time-' . $user_id]) ? preg_replace( '/[^0-9]/', '', $_COOKIE['wp-settings-time-' . $user_id] ) : 0; // The cookie is newer than the saved value. Update the user_option and leave the cookie as-is if ( $current > $last_saved ) { update_user_option( $user_id, 'user-settings', $cookie, false ); update_user_option( $user_id, 'user-settings-time', time() - 5, false ); return; } } // The cookie is not set in the current browser or the saved value is newer. $secure = ( 'https' === parse_url( site_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; } /** * Retrieve user interface setting value based on setting name. * * @since 2.7.0 * * @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. */ function get_user_setting( $name, $default = false ) { $all_user_settings = get_all_user_settings(); return isset( $all_user_settings[$name] ) ? $all_user_settings[$name] : $default; } /** * 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 $value The value for the setting. * @return bool true if set successfully/false if not. */ function set_user_setting( $name, $value ) { if ( headers_sent() ) { return false; } $all_user_settings = get_all_user_settings(); $all_user_settings[$name] = $value; return wp_set_all_user_settings( $all_user_settings ); } /** * 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 mixed $names The name or array of names of the setting to be deleted. * @return bool true if deleted successfully/false if not. */ function delete_user_setting( $names ) { if ( headers_sent() ) { return false; } $all_user_settings = get_all_user_settings(); $names = (array) $names; $deleted = false; foreach ( $names as $name ) { if ( isset( $all_user_settings[$name] ) ) { unset( $all_user_settings[$name] ); $deleted = true; } } if ( $deleted ) { return wp_set_all_user_settings( $all_user_settings ); } return false; } /** * Retrieve all user interface settings. * * @since 2.7.0 * * @return array the last saved user settings or empty array. */ function get_all_user_settings() { global $_updated_user_settings; if ( ! $user_id = get_current_user_id() ) { return array(); } if ( isset( $_updated_user_settings ) && is_array( $_updated_user_settings ) ) { return $_updated_user_settings; } $user_settings = array(); if ( isset( $_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 ); } } else { $option = get_user_option( 'user-settings', $user_id ); if ( $option && is_string( $option ) ) { parse_str( $option, $user_settings ); } } $_updated_user_settings = $user_settings; return $user_settings; } /** * Private. Set all user interface settings. * * @since 2.8.0 * * @param array $user_settings * @return bool */ function wp_set_all_user_settings( $user_settings ) { global $_updated_user_settings; if ( ! $user_id = get_current_user_id() ) { return false; } if ( is_super_admin() && ! 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 ); if ( ! empty( $_name ) ) { $settings .= $_name . '=' . $_value . '&'; } } $settings = rtrim( $settings, '&' ); parse_str( $settings, $_updated_user_settings ); update_user_option( $user_id, 'user-settings', $settings, false ); update_user_option( $user_id, 'user-settings-time', time(), false ); return true; } /** * Delete the user settings of the current user. * * @since 2.7.0 */ function delete_all_user_settings() { if ( ! $user_id = get_current_user_id() ) { return; } update_user_option( $user_id, 'user-settings', '', false ); setcookie( 'wp-settings-' . $user_id, ' ', time() - YEAR_IN_SECONDS, SITECOOKIEPATH ); } /** * Retrieve site option value based on name of option. * * @since 2.8.0 * * @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. * @return mixed Value set for the option. */ function get_site_option( $option, $default = false, $use_cache = true ) { global $wpdb; /** * Filter an existing site option before it is retrieved. * * The dynamic portion of the hook name, $option, refers to the option name. * * Passing a truthy value to the filter will effectively short-circuit retrieval, * returning the passed value instead. * * @since 2.9.0 As 'pre_site_option_' . $key * @since 3.0.0 * * @param mixed $pre_option The default value to return if the option does not exist. */ $pre = apply_filters( 'pre_site_option_' . $option, false ); if ( false !== $pre ) return $pre; // prevent non-existent options from triggering multiple queries $notoptions_key = "{$wpdb->siteid}:notoptions"; $notoptions = wp_cache_get( $notoptions_key, 'site-options' ); if ( isset( $notoptions[$option] ) ) { /** * Filter a specific default site option. * * The dynamic portion of the hook name, $option, refers to the option name. * * @since 3.4.0 * * @param mixed $default The value to return if the site option does not exist * in the database. */ return apply_filters( 'default_site_option_' . $option, $default ); } 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); } else { $cache_key = "{$wpdb->siteid}:$option"; if ( $use_cache ) $value = wp_cache_get($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 ) ); // Has to be get_row instead of get_var because of funkiness with 0, false, null values if ( is_object( $row ) ) { $value = $row->meta_value; $value = maybe_unserialize( $value ); wp_cache_set( $cache_key, $value, 'site-options' ); } else { $notoptions[$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 ); } } } /** * Filter the value of an existing site 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 * * @param mixed $value Value of site option. */ return apply_filters( 'site_option_' . $option, $value ); } /** * Add a new site option. * * Existing options will not be updated. Note that prior to 3.3 this wasn't the case. * * @since 2.8.0 * * @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. * @return bool False if option was not added and true if option was added. */ function add_site_option( $option, $value ) { global $wpdb; wp_protect_special_option( $option ); /** * Filter the value of a specific site 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 * * @param mixed $value Value of site option. */ $value = apply_filters( 'pre_add_site_option_' . $option, $value ); $notoptions_key = "{$wpdb->siteid}:notoptions"; if ( !is_multisite() ) { $result = add_option( $option, $value ); } else { $cache_key = "{$wpdb->siteid}:$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 ) ) 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 ) ); 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] ); wp_cache_set( $notoptions_key, $notoptions, 'site-options' ); } } if ( $result ) { /** * Fires after a specific site 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 * * @param string $option Name of site option. * @param mixed $value Value of site option. */ do_action( "add_site_option_{$option}", $option, $value ); /** * Fires after a site option has been successfully added. * * @since 3.0.0 * * @param string $option Name of site option. * @param mixed $value Value of site option. */ do_action( "add_site_option", $option, $value ); return true; } return false; } /** * Removes site option by name. * * @since 2.8.0 * * @see delete_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 ) { global $wpdb; // ms_protect_special_option( $option ); @todo /** * Fires immediately before a specific site option is deleted. * * The dynamic portion of the hook name, $option, refers to the option name. * * @since 3.0.0 */ do_action( 'pre_delete_site_option_' . $option ); 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 ) return false; $cache_key = "{$wpdb->siteid}:$option"; wp_cache_delete( $cache_key, 'site-options' ); $result = $wpdb->delete( $wpdb->sitemeta, array( 'meta_key' => $option, 'site_id' => $wpdb->siteid ) ); } if ( $result ) { /** * Fires after a specific site 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 * * @param string $option Name of the site option. */ do_action( "delete_site_option_{$option}", $option ); /** * Fires after a site option has been deleted. * * @since 3.0.0 * * @param string $option Name of the site option. */ do_action( "delete_site_option", $option ); return true; } return false; } /** * Update the value of a site option that was already added. * * @since 2.8.0 * * @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. * @return bool False if value was not updated and true if value was updated. */ function update_site_option( $option, $value ) { global $wpdb; wp_protect_special_option( $option ); $old_value = get_site_option( $option ); /** * Filter a specific site 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 * * @param mixed $value New value of site option. * @param mixed $old_value Old value of site option. */ $value = apply_filters( 'pre_update_site_option_' . $option, $value, $old_value ); if ( $value === $old_value ) return false; if ( false === $old_value ) return add_site_option( $option, $value ); $notoptions_key = "{$wpdb->siteid}:notoptions"; $notoptions = wp_cache_get( $notoptions_key, 'site-options' ); 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 ); } 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 ) ); if ( $result ) { $cache_key = "{$wpdb->siteid}:$option"; wp_cache_set( $cache_key, $value, 'site-options' ); } } if ( $result ) { /** * Fires after the value of a specific site 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 * * @param string $option Name of site option. * @param mixed $value Current value of site option. * @param mixed $old_value Old value of site option. */ do_action( "update_site_option_{$option}", $option, $value, $old_value ); /** * Fires after the value of a site option has been successfully updated. * * @since 3.0.0 * * @param string $option Name of site option. * @param mixed $value Current value of site option. * @param mixed $old_value Old value of site option. */ do_action( "update_site_option", $option, $value, $old_value ); return true; } return false; } /** * Delete a site transient. * * @since 2.9.0 * * @param string $transient Transient name. Expected to not be SQL-escaped. * @return bool True if successful, false otherwise */ function delete_site_transient( $transient ) { /** * Fires immediately before a specific site transient is deleted. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * @since 3.0.0 * * @param string $transient Transient name. */ do_action( 'delete_site_transient_' . $transient, $transient ); if ( wp_using_ext_object_cache() ) { $result = wp_cache_delete( $transient, 'site-transient' ); } else { $option_timeout = '_site_transient_timeout_' . $transient; $option = '_site_transient_' . $transient; $result = delete_site_option( $option ); if ( $result ) delete_site_option( $option_timeout ); } if ( $result ) { /** * Fires after a transient is deleted. * * @since 3.0.0 * * @param string $transient Deleted transient name. */ do_action( 'deleted_site_transient', $transient ); } return $result; } /** * Get the value of a site transient. * * If the transient does not exist, does not have a value, or has expired, * then the return value will be false. * * @since 2.9.0 * * @see get_transient() * * @param string $transient Transient name. Expected to not be SQL-escaped. * @return mixed Value of transient. */ function get_site_transient( $transient ) { /** * Filter the value of an existing site transient. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * Passing a truthy value to the filter will effectively short-circuit retrieval, * returning the passed value instead. * * @since 2.9.0 * * @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. */ $pre = apply_filters( 'pre_site_transient_' . $transient, false ); if ( false !== $pre ) return $pre; if ( wp_using_ext_object_cache() ) { $value = wp_cache_get( $transient, 'site-transient' ); } else { // Core transients that do not have a timeout. Listed here so querying timeouts can be avoided. $no_timeout = array('update_core', 'update_plugins', 'update_themes'); $transient_option = '_site_transient_' . $transient; if ( ! in_array( $transient, $no_timeout ) ) { $transient_timeout = '_site_transient_timeout_' . $transient; $timeout = get_site_option( $transient_timeout ); if ( false !== $timeout && $timeout < time() ) { delete_site_option( $transient_option ); delete_site_option( $transient_timeout ); $value = false; } } if ( ! isset( $value ) ) $value = get_site_option( $transient_option ); } /** * Filter the value of an existing site transient. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * @since 2.9.0 * * @param mixed $value Value of site transient. */ return apply_filters( 'site_transient_' . $transient, $value ); } /** * Set/update the value of a site transient. * * You do not need to serialize values, if the value needs to be serialize, then * it will be serialized before it is set. * * @since 2.9.0 * * @see set_transient() * * @param string $transient Transient name. Expected to not be SQL-escaped. Must be * 40 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. * @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. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * @since 3.0.0 * * @param mixed $value Value of site transient. */ $value = apply_filters( 'pre_set_site_transient_' . $transient, $value ); $expiration = (int) $expiration; if ( wp_using_ext_object_cache() ) { $result = wp_cache_set( $transient, $value, 'site-transient', $expiration ); } else { $transient_timeout = '_site_transient_timeout_' . $transient; $option = '_site_transient_' . $transient; if ( false === get_site_option( $option ) ) { if ( $expiration ) add_site_option( $transient_timeout, time() + $expiration ); $result = add_site_option( $option, $value ); } else { if ( $expiration ) update_site_option( $transient_timeout, time() + $expiration ); $result = update_site_option( $option, $value ); } } if ( $result ) { /** * Fires after the value for a specific site transient has been set. * * The dynamic portion of the hook name, $transient, refers to the transient name. * * @since 3.0.0 * * @param mixed $value Site transient value. * @param int $expiration Time until expiration in seconds. Default 0. */ do_action( 'set_site_transient_' . $transient, $value, $expiration ); /** * Fires after the value for a site transient has been set. * * @since 3.0.0 * * @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. */ do_action( 'setted_site_transient', $transient, $value, $expiration ); } return $result; }
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