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run code in 200+ php & hhvm versions
Bugs & Features
<?php declare(strict_types = 1); function test(int $x = null) { var_dump($x); } test();
based on HjuDi
Output for 7.0.0 - 7.2.0
NULL
Output for 5.3.21 - 5.6.28
Warning: Unsupported declare 'strict_types' in /in/TarBV on line 1 NULL