attachment_updated │ action-hook │ WP 4.4.0

Fires once an existing attachment has been updated.

Usage

add_action( 'attachment_updated', 'wp_kama_attachment_updated_action', 10, 3 );

/**
 * Function for `attachment_updated` action-hook.
 * 
 * @param int     $post_ID     Post ID.
 * @param WP_Post $post_after  Post object following the update.
 * @param WP_Post $post_before Post object before the update.
 *
 * @return void
 */
function wp_kama_attachment_updated_action( $post_ID, $post_after, $post_before ){

	// action...
}

$post_ID(int)

Post ID.

$post_after(WP_Post)

Post object following the update.

$post_before(WP_Post)

Post object before the update.

Changelog

Where the hook is called

do_action( 'attachment_updated', $post_ID, $post_after, $post_before );

Where the hook is used in WordPress

add_action( 'attachment_updated', 'wp_check_for_changed_slugs', 12, 3 );

add_action( 'attachment_updated', 'wp_check_for_changed_dates', 12, 3 );