bitrix.xscan/autoload.php at main · optipic-io/bitrix.xscan · GitHub

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<?php

class PhpParserLoader
{
    public static function register()
    {
        if (!static::isAlreadyRegistered()) {
            \spl_autoload_register(array(__CLASS__, "autoLoad"), true);
        }
    }

    public static function autoLoad($className)
    {
        $className = ltrim($className, "\\"); // fix web env
        $className = str_replace("\\", '/', $className);

        if (preg_match("#[^\\\\/a-zA-Z0-9_]#", $className)) {
            return;
        }

        $fileParts = explode("/", $className);
        if (count($fileParts) < 2) {
            return;
        }

        $firstNamespace = mb_strtolower($fileParts[0]);
        $secondNamespace = mb_strtolower($fileParts[1]);

        if (
            $firstNamespace === "phpparser"
        ) {

            $filePath = __DIR__ . "/lib/" . implode("/", $fileParts) . ".php";

            if (file_exists($filePath)) {
                require_once($filePath);
            }
        }
    }

    private static function isAlreadyRegistered()
    {
        $autoLoaders = spl_autoload_functions();
        if (!$autoLoaders) {
            return false;
        }

        foreach ($autoLoaders as $autoLoader) {
            if (!is_array($autoLoader)) {
                continue;
            }

            list($className, $method) = $autoLoader;

            if ($className === __CLASS__) {
                return true;
            }
        }

        return false;
    }
}

PhpParserLoader::register();