3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function doFoo() { function testFoo() { var_dump('test'); } testFoo(); } } $foo = new Foo(); $foo->doFoo(); testFoo();
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.34, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
string(4) "test" string(4) "test"

preferences:
234.03 ms | 403 KiB | 294 Q