wikimedia/mediawiki-extensions-Translate

<?php
declare( strict_types = 1 );

namespace MediaWiki\Extension\Translate\Utilities;

/**
 * Stuff for handling configuration files in PHP format.
 *
 * @author Niklas Laxström
 * @copyright Copyright © 2010 Niklas Laxström
 * @license GPL-2.0-or-later
 */

class PHPVariableLoader {
    /**
     * Returns a global variable from PHP file by executing the file.
     * @param string $_filename Path to the file.
     * @param string $_variable Name of the variable.
     * @return mixed|null The variable contents or null.
     */
    public static function loadVariableFromPHPFile( string $_filename, string $_variable ) {
        if ( !file_exists( $_filename ) ) {
            return null;
        } else {
            require $_filename;

            return $$_variable ?? null;
        }
    }
}