3v4l.org

run code in 300+ PHP versions simultaneously
<?php $i = -1; $max = 6; while( (++$i, $i < $max) ) { printf("%d ", $i++); } // 0 2 4
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.28
Parse error: syntax error, unexpected ',' in /in/SWdR2 on line 5
Process exited with code 255.

preferences:
161.17 ms | 1395 KiB | 65 Q