PHP 删除 url 中的 query string

function removeQueryStringFromUrl($url) {
    if (substr($url,0,4) =="http") {
    $urlPartsArray = parse_url($url);
    $outputUrl = $urlPartsArray['scheme']. '://'. $urlPartsArray['host']. ( isset($urlPartsArray['path'])? $urlPartsArray['path'] : '' );
    } 
    else {
        $URLexploded = explode("?", $url, 2);
        $outputUrl = $URLexploded[0];
    }
    return $outputUrl;
}

测试链接：

https://ideone.com/PvpZ4J