3v4l.org

run code in 300+ PHP versions simultaneously
<?php $str = "abcdefghijklmn"; $print = strrev($str); $st=""; for($i = 0;$i<$print.length;$i=$i+2) { if($i < $print.length - ) $st .= substr($print,$i,$i+1); echo $st; }
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.25
Parse error: syntax error, unexpected ')' in /in/ZgQXM on line 7
Process exited with code 255.
preferences:
187.97 ms | 1395 KiB | 62 Q