before_delete_post action-hook . WP 3.2.0

Fires before a post is deleted, at the start of wp_delete_post().

Usage

add_action( 'before_delete_post', 'action_function_name_640' );
function action_function_name_640( $postid ){
	// action...
}

$postid(int)

Post ID.

Where the hook is called

do_action( 'before_delete_post', $postid );

Where the hook is used (in WP core)

add_action( 'before_delete_post', '_reset_front_page_settings_for_post' );