3v4l.org

run code in 300+ PHP versions simultaneously
<?php $foo = NULL; dump(isset($foo) === FALSE)
Output for 5.4.0 - 5.4.11
Parse error: syntax error, unexpected end of file in /in/53GmH on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.21
Parse error: syntax error, unexpected $end in /in/53GmH on line 3
Process exited with code 255.
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164.79 ms | 1399 KiB | 41 Q