3v4l.org

run code in 300+ PHP versions simultaneously

sponsor
bughunt
search
recent
about

@ 2019-02-20T04:00:52Z

<?php
$a='I love you';
echo str_replace_first('z','ea',$a);

function str_replace_first($thiss,$that,$where)
       {
       return substr($where,0,strpos($where,$thiss)).
              $that.
              substr($where,strpos($where,$thiss)+strlen($thiss));
       }

Output
Performance
VLD
References
Branches

substr: documentation ( source)
strpos: documentation ( source)

preferences:dark modelive preview

61.97 ms | 402 KiB | 5 Q