3v4l.org

run code in 300+ PHP versions simultaneously
<?php class X { function !if() {} }
Output for 5.4.0 - 5.4.21
Parse error: syntax error, unexpected '!', expecting identifier (T_STRING) in /in/KDkp6 on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected '!', expecting T_STRING in /in/KDkp6 on line 3
Process exited with code 255.
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175.74 ms | 1399 KiB | 57 Q