3v4l.org

run code in 300+ PHP versions simultaneously
<?php class MyClass { public $foo; public function __construct() { $this->foo = function(int $a, int $b): int { return $a * $b; }; } public function foo(int $a, int $b): int { return $a + $b; } } $myClass = new MyClass(); echo 'Method: ' . $myClass->foo(2, 3); echo ' Closure: ' . ($myClass->foo)(2, 3); ?>
Output for 7.1.25 - 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.27, 8.4.1 - 8.4.14
Method: 5 Closure: 6

preferences:
198.97 ms | 407 KiB | 5 Q