3v4l.org

run code in 300+ PHP versions simultaneously
<?php interface A { public function a(); } trait B implements A { }
Output for 5.4.0 - 5.4.21
Fatal error: Cannot use 'A' as interface on 'B' since it is a Trait in /in/LrBhK on line 8
Process exited with code 255.
Output for 5.3.0 - 5.3.27
Parse error: syntax error, unexpected T_STRING in /in/LrBhK on line 8
Process exited with code 255.
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178.17 ms | 1395 KiB | 57 Q