3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo ?: 'bar' echo $foo;
Output for 5.4.0 - 5.4.22
Parse error: syntax error, unexpected 'echo' (T_ECHO) in /in/6QvXo on line 6
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_ECHO in /in/6QvXo on line 6
Process exited with code 255.
preferences:
187.38 ms | 1394 KiB | 58 Q