3v4l.org

run code in 300+ PHP versions simultaneously
<?php var_export(array_filter(["a", "b"], function ($v) { return false}));
Output for 5.4.0 - 5.4.30
Parse error: syntax error, unexpected '}' in /in/vJeoh on line 3
Process exited with code 255.
Output for 5.3.0 - 5.3.28
Parse error: syntax error, unexpected '[', expecting ')' in /in/vJeoh on line 3
Process exited with code 255.
preferences:
193.44 ms | 1395 KiB | 67 Q