updated_post_meta │ action-hook │ WP 2.9.0

Fires immediately after updating metadata of a specific type.

Usage

add_action( 'updated_post_meta', 'wp_kama_updated_post_meta_action', 10, 4 );

/**
 * Function for `updated_post_meta` action-hook.
 * 
 * @param int    $meta_id     ID of updated metadata entry.
 * @param int    $object_id   ID of the object metadata is for.
 * @param string $meta_key    Metadata key.
 * @param mixed  $_meta_value Metadata value.
 *
 * @return void
 */
function wp_kama_updated_post_meta_action( $meta_id, $object_id, $meta_key, $_meta_value ){

	// action...
}

$meta_id(int)

ID of updated metadata entry.

$object_id(int)

ID of the object metadata is for.

$meta_key(string)

Metadata key.

$_meta_value(mixed)

Metadata value.

Changelog

Where the hook is called

do_action( "updated_{$meta_type}_meta", $meta_id, $object_id, $meta_key, $_meta_value );

Where the hook is used in WordPress

add_action( 'updated_post_meta', 'wp_cache_set_posts_last_changed' );