3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = 0: echo $a ?: "foo";
Output for 5.3.0 - 5.3.18, 5.4.0 - 5.4.8
Parse error: syntax error, unexpected ':' in /in/EA6Ou on line 2
Process exited with code 255.
preferences:
162.17 ms | 1399 KiB | 35 Q