*
* @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
+ *
+ * @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 ) {
$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' );
*
* @since 2.2.0
*
+ * @global wpdb $wpdb
+ *
* @return array List of all options.
*/
function wp_load_alloptions() {
*
* @since 3.0.0
*
+ * @global wpdb $wpdb
+ *
* @param int $site_id Optional site ID for which to query the options. Defaults to the current site.
*/
function wp_load_core_site_options( $site_id = null ) {
* it will be serialized before it is inserted into the database. Remember,
* resources can not be serialized or added as an option.
*
- * If the option does not exist, then the option will be added with the option
- * value, but you will not be able to set whether it is autoloaded. If you want
- * to set whether an option is autoloaded, then you need to use the add_option().
+ * If the option does not exist, then the option will be added with the option value,
+ * with an `$autoload` value of 'yes'.
*
* @since 1.0.0
+ * @since 4.2.0 The `$autoload` parameter was added.
+ *
+ * @global wpdb $wpdb
*
- * @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 $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'|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 ) {
+function update_option( $option, $value, $autoload = null ) {
global $wpdb;
$option = trim($option);
if ( $value === $old_value )
return false;
- if ( false === $old_value )
- return add_option( $option, $value );
+ /** This filter is documented in wp-includes/option.php */
+ if ( apply_filters( 'default_option_' . $option, false ) === $old_value ) {
+ // Default setting for new options is 'yes'.
+ if ( null === $autoload ) {
+ $autoload = 'yes';
+ }
+
+ return add_option( $option, $value, '', $autoload );
+ }
$serialized_value = maybe_serialize( $value );
*/
do_action( 'update_option', $option, $old_value, $value );
- $result = $wpdb->update( $wpdb->options, array( 'option_value' => $serialized_value ), array( 'option_name' => $option ) );
+ $update_args = array(
+ 'option_value' => $serialized_value,
+ );
+
+ if ( null !== $autoload ) {
+ $update_args['autoload'] = ( 'no' === $autoload || false === $autoload ) ? 'no' : 'yes';
+ }
+
+ $result = $wpdb->update( $wpdb->options, $update_args, array( 'option_name' => $option ) );
if ( ! $result )
return false;
*
* @since 1.0.0
*
+ * @global wpdb $wpdb
+ *
* @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.
- * @param string|bool $autoload Optional. Default is enabled. Whether to load the option when WordPress starts up.
+ * @param string|bool $autoload Optional. Whether to load the option when WordPress starts up.
+ * Default is enabled. Accepts 'no' to disable for legacy reasons.
* @return bool False if option was not added and true if option was added.
*/
function add_option( $option, $value = '', $deprecated = '', $autoload = 'yes' ) {
// 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 ) )
+ /** This filter is documented in wp-includes/option.php */
+ if ( apply_filters( 'default_option_' . $option, false ) !== get_option( $option ) )
return false;
$serialized_value = maybe_serialize( $value );
- $autoload = ( 'no' === $autoload ) ? 'no' : 'yes';
+ $autoload = ( 'no' === $autoload || false === $autoload ) ? 'no' : 'yes';
/**
* Fires before an option is added.
*
* @since 1.2.0
*
+ * @global wpdb $wpdb
+ *
* @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.
*/
$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;
*/
function set_transient( $transient, $value, $expiration = 0 ) {
+ $expiration = (int) $expiration;
+
/**
* Filter a specific transient before its value is set.
*
* The dynamic portion of the hook name, `$transient`, refers to the transient name.
*
* @since 3.0.0
+ * @since 4.2.0 Added `$expiration` parameter.
*
- * @param mixed $value New value of transient.
+ * @param mixed $value New value of transient.
+ * @param int $expiration Time until expiration in seconds.
*/
- $value = apply_filters( 'pre_set_transient_' . $transient, $value );
-
- $expiration = (int) $expiration;
+ $value = apply_filters( 'pre_set_transient_' . $transient, $value, $expiration );
if ( wp_using_ext_object_cache() ) {
$result = wp_cache_set( $transient, $value, 'transient', $expiration );
*
* @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.
*/
*
* @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|void true if set successfully/false if not.
*/
function set_user_setting( $name, $value ) {
-
if ( headers_sent() ) {
return false;
}
* @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|void true if deleted successfully/false if not.
*/
function delete_user_setting( $names ) {
-
if ( headers_sent() ) {
return false;
}
*
* @since 2.7.0
*
+ * @global array $_updated_user_settings
+ *
* @return array the last saved user settings or empty array.
*/
function get_all_user_settings() {
*
* @since 2.8.0
*
+ * @global array $_updated_user_settings
+ *
* @param array $user_settings
- * @return null|bool
+ * @return bool|void
*/
function wp_set_all_user_settings( $user_settings ) {
global $_updated_user_settings;
*
* @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 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 ) {
$value = maybe_unserialize( $value );
wp_cache_set( $cache_key, $value, 'site-options' );
} else {
+ if ( ! is_array( $notoptions ) ) {
+ $notoptions = array();
+ }
$notoptions[$option] = true;
wp_cache_set( $notoptions_key, $notoptions, 'site-options' );
*
* @see add_option()
*
+ * @global wpdb $wpdb
+ *
* @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.
+ * @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 ) {
*
* @see delete_option()
*
+ * @global wpdb $wpdb
+ *
* @param string $option Name of option to remove. Expected to not be SQL-escaped.
* @return bool True, if succeed. False, if failure.
*/
*
* @see update_option()
*
+ * @global wpdb $wpdb
+ *
* @param string $option Name of option. Expected to not be SQL-escaped.
- * @param mixed $value Option value. 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 ) {