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run code in 300+ PHP versions simultaneously
<?php namespace A { function myFunction() {} const MY_CONSTANT = 0; } namespace B { use function A\myFunction; use const A\MY_CONSTANT; var_dump( myFunction::class, MY_CONSTANT::class ); }
Output for 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.30, 8.0.0 - 8.0.22, 8.1.0 - 8.1.9
string(12) "B\myFunction" string(13) "B\MY_CONSTANT"

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36.57 ms | 409 KiB | 5 Q