3v4l.org

run code in 300+ PHP versions simultaneously
<?php class a { function b(){ $f = function(){ echo __CLASS__,' ', __METHOD__, ' ', __FUNCTION__, PHP_EOL; }; $f(); function c(){ echo __CLASS__,' ', __METHOD__, ' ', __FUNCTION__, PHP_EOL; } } } (new a)->b(); c();
Output for 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
a {closure} {closure} c c
Output for 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33
a {closure} {closure} a c c
Output for 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40
a a::{closure} {closure} a a::c c
preferences:
321.94 ms | 402 KiB | 376 Q