php 控制preg_replace替换次数
<?php $v = array('vv','bb'); $str = "vv,cc,abcde,www.phprm.com,vv"; $str=preg_replace("/$v[0]/","<a href=".$v[1]." target=_blank >".$v[0]."</a>",$str,1); echo $str; //bb,cc,abcde,www.phprm.com,vv $str=preg_replace("/$v[0]/","<a href=".$v[1]." target=_blank >".$v[0]."</a>",$str,2); //bb,cc,abcde,www.phprm.com,bb
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