3v4l.org

run code in 500+ PHP versions simultaneously
<?php namespace A; class SomeClass { public static function run(): void { function strlen(): int { return 1; } echo strlen(); } } SomeClass::run();
Output for 8.2.31 - 8.2.32, 8.3.0 - 8.3.32, 8.4.1 - 8.4.23, 8.5.0 - 8.5.8
1

preferences:
48.22 ms | 761 KiB | 4 Q