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PHP replace string (only replace the first string)

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WBOYOriginal
2016-07-25 08:52:20960browse
  2. $str=preg_replace('/abc/','xyz',$str,1);
  3. echo $str;
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Do not use regular string replacement code:

  2. $replace='xyz';
  3. if(($position=strpos($str,$replace))!==false){
  4. $leng=strlen($replace);
  5. $str=substr_replace ($str,'xyz',$position,$leng);
  6. }
  7. echo $str;
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