PHP替换字符串(只替换首个字符串)
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发布: 2016-07-25 08:52:20
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- $str=preg_replace('/abc/','xyz',$str,1);
- echo $str;
复制代码
不用正则的字符串替换代码:
-
- $replace='xyz';
- if(($position=strpos($str,$replace))!==false){
- $leng=strlen($replace);
- $str=substr_replace($str,'xyz',$position,$leng);
- }
- echo $str;
复制代码
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