取字符串中的最后二个值,在线等

Question

取字符串中的最后二个值
如：
$urlf="a.html,b.html,c.html,d.html,e.html";
我要得到  $urlf="d.html,e.html";
怎么实现呀，thanks

Answer 1

$urlarr = explode(',',$urlf);
$newurlf = implode(',',array_slice($urlarr,-2));

Answer 2

$urlf="a.html,b.html,c.html,d.html,e.html";
echo preg_replace("/.+,(.+,.+)/", "$1", $urlf); //d.html,e.html

Answer 3

echo preg_replace("/.+,(.+,.+)/", "\\1", $urlf); //d.html,e.html

Answer 4

$urlarr = explode(',',$urlf);
$newurlf = implode(',',array_slice($urlarr,-2));