3v4l.org

run code in 300+ PHP versions simultaneously
<?php $a = array('foo', null, 3); var_dump(array_filter($a)):
Output for 5.3.0 - 5.3.28, 5.4.0 - 5.4.27
Parse error: syntax error, unexpected ':' in /in/4DHfI on line 4
Process exited with code 255.
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197.42 ms | 1395 KiB | 64 Q