save_post action-hook . WP 1.5.0

Fires once a post has been saved.

Usage

add_action( 'save_post', 'action_function_name_8922', 10, 3 );
function action_function_name_8922( $post_ID, $post, $update ){
	// action...
}

$post_ID(int)

Post ID.

$post(WP_Post)

Post object.

$update(true/false)

Whether this is an existing post being updated or not.

Where the hook is called

do_action( 'save_post', $post_ID, $post, $update );

do_action( 'save_post', $post->ID, $post, true );

do_action( 'save_post', $post->ID, $post, true );

Where the hook is used (in WP core)

add_action( 'save_post', 'delete_get_calendar_cache' );