3v4l.org

run code in 300+ PHP versions simultaneously
<?php class A { function foo() { $f = function () { var_dump(__CLASS__, __METHOD__, __FUNCTION__); }; $f(); } } $a = new A(); $a->foo();
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 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 - 8.3.4, 8.3.6
string(1) "A" string(9) "{closure}" string(9) "{closure}"
Output for 8.3.5
Warning: PHP Startup: Unable to load dynamic library 'sodium.so' (tried: /usr/lib/php/8.3.5/modules/sodium.so (libsodium.so.23: cannot open shared object file: No such file or directory), /usr/lib/php/8.3.5/modules/sodium.so.so (/usr/lib/php/8.3.5/modules/sodium.so.so: cannot open shared object file: No such file or directory)) in Unknown on line 0 string(1) "A" string(9) "{closure}" string(9) "{closure}"
Output for 5.4.0 - 5.4.45, 5.5.24 - 5.5.35, 5.6.7 - 5.6.28
string(1) "A" string(12) "A::{closure}" string(9) "{closure}"
preferences:
202.7 ms | 402 KiB | 229 Q