show_post_locked_dialog │ filter-hook │ WP 1.0

This filter is documented in wp-admin/includes/post.php

Usage

add_filter( 'show_post_locked_dialog', 'wp_kama_show_post_locked_dialog_filter', 10, 3 );
function wp_kama_show_post_locked_dialog_filter( $true, $post, $user_id ){
	// filter...

	return $true;
}

$true

-

$post

-

$user_id

-

Where the hook is called

if ( apply_filters( 'show_post_locked_dialog', true, $post, $user_id ) ) {

if ( ! apply_filters( 'show_post_locked_dialog', true, $post, $user ) ) {

Where the hook is used in WordPress