Removes the signature in case we experience a case where the Customizer was not properly executed.

$callback callable|null Optional

Value passed through for 'wp_die_handler' filter.

Default: null

callable|null Value passed through for 'wp_die_handler' filter.

File: wp-includes/class-wp-customize-manager.php. View all references

public function remove_preview_signature( $callback = null ) {
	_deprecated_function( __METHOD__, '4.7.0' );

	return $callback;
}