正则表达式帮助从url获取值

Question

我有这个

http://news.google.com/news/url?sa=t&fd=R&usg=AFQjCNFyHi2aIJIV7kAlui1Sd_MQGosiBA&url=http://ksa.daralhayat.com/ksaarticle/192445

我想得到url = only 的值

Answer 1

$url = html_entity_decode($url);
$parts = parse_url($url);
parse_str($parts['query'],$params);
echo $params['url'];