3v4l.org

run code in 500+ PHP versions simultaneously
<?php namespace Rector\Tests\CodeQuality\Rector\StmtsAwareInterface\MoveInnerFunctionToTopLevelRector\Fixture; function strlen(): int { return 1; } function SkipRedefineNativeFunction(): void { echo strlen(); } function bar() { echo strlen('abc'); } bar();

preferences:
55.91 ms | 754 KiB | 5 Q