PHP - Bug Fix Required Path

if (!function_exists('bugFixRequirePath'))
{
	function bugFixRequirePath($newPath)
	{
       		$stringPath = dirname(__FILE__);
       		if (strstr($stringPath,":")) $stringExplode = "\\";	else $stringExplode = "/";
       		$paths = explode($stringExplode,$stringPath);
       		$newPaths = explode("/",$newPath);
       		if (count($newPaths) > 0)
		{
			for($i=0;$i<count($newPaths);$i++) { if ($newPaths[$i] == "..") array_pop($paths); }
			for($i=0;$i<count($newPaths);$i++) { if ($newPaths[$i] == "..") unset($newPaths[$i]); }
			reset($newPaths);
			$stringNewPath = implode($stringExplode,$paths).$stringExplode.implode($stringExplode,$newPaths);
			return $stringNewPath;
		}
	}
}