* to set whether an option is autoloaded, then you need to use the add_option().
*
* @since 1.0.0
- *
- * @param string $option Option name. Expected to not be SQL-escaped.
- * @param mixed $value Option value. Must be serializable if non-scalar. Expected to not be SQL-escaped.
+ * @since 4.2.0 The `$autoload` parameter was added.
+ *
+ * @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'.
* @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;
* @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.
*/
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 );