3v4l.org

run code in 300+ PHP versions simultaneously
<?php class Foo { public function op($op, $f) { return $op($this->$f); } } $a = new Foo(); $a->f = [1, 17, 23, 9, 12, 3, 9, 2, 7, 68]; 'avg'; var_dump($a->op(function($x) { return array_sum($x) / count($x); }, 'f'));
Output for 8.2.0 - 8.2.18, 8.3.0 - 8.3.4, 8.3.6
Deprecated: Creation of dynamic property Foo::$f is deprecated in /in/a2vTO on line 11 float(15.1)
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 Deprecated: Creation of dynamic property Foo::$f is deprecated in /in/a2vTO on line 11 float(15.1)
Output for 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28
float(15.1)

preferences:
208.4 ms | 403 KiB | 291 Q