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正则批量轮换

WBOYOriginal: 2016-06-13 12:52:07936browse

正则批量替换
$str =' 正则批量轮换 '

如何批量将src前面加个域名呢

$str =''

------解决方案--------------------

引用:

引用:$str = '';
$str = str_replace('src="', 'src="http://www.xxx.com/', $str);
echo $……

能不用则不用这是原则...

<br />
$str = '<img  src="test/aaa/a.jpg" widht=33 height=3 alt=" 正则批量轮换 " ><img  src="f/aaa/a.jpg" widht=4 height=3 alt=" 正则批量轮换 " >';<br />
echo preg_replace('/(src=")/', "$1'http://www.xxx.com/", $str);<br />

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