3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = null; unset($foo); var_dump($food));
Output for 5.3.0 - 5.3.21, 5.4.0 - 5.4.11
Parse error: syntax error, unexpected ')' in UANfS on line 9
Process exited with code 255.
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176.88 ms | 1395 KiB | 41 Q