PHP url string intercepts the file name and extension of the path_PHP tutorial

php url string interception path file name and extension

function retrieve($url)
{
preg_match('//([^/]+.[a-z]+)[^/]*$/',$url,$match);
return $match[1];
}

function getExt($url)
{
$path=parse_url($url);
$str=explode('.',$path['path']);
return $str[1];
}
echo getExt('http://www.bkjia.com/ /fg.php?id=1');
?>

http://www.bkjia.com/PHPjc/364501.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/364501.htmlTechArticlephp url string intercepts the file name and extension of the path function retrieve($url) { preg_match('//( [^/]+.[a-z]+)[^/]*$/',$url,$match); return $match[1]; } ?php function getExt($url)...