wp_ajax_dismiss_wp_pointer()

2955function wp_ajax_dismiss_wp_pointer() {2956	$pointer = $_POST['pointer'];2957 2958	if ( sanitize_key( $pointer ) !== $pointer ) {2959		wp_die( 0 );2960	}2961 2962	//  check_ajax_referer( 'dismiss-pointer_' . $pointer );2963 2964	$dismissed = array_filter( explode( ',', (string) get_user_meta( get_current_user_id(), 'dismissed_wp_pointers', true ) ) );2965 2966	if ( in_array( $pointer, $dismissed, true ) ) {2967		wp_die( 0 );2968	}2969 2970	$dismissed[] = $pointer;2971	$dismissed   = implode( ',', $dismissed );2972 2973	update_user_meta( get_current_user_id(), 'dismissed_wp_pointers', $dismissed );2974	wp_die( 1 );2975}