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run code in 300+ PHP versions simultaneously
<?php class foo { public $doSomething; public function __construct() { $this->doSomething = function ($a) { return $a*2; }; } } $object = new foo(); $array = [1,2,3,4]; print_r(array_map($object->doSomething, $array));
Output for 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 - 8.1.33, 8.2.0 - 8.2.29, 8.3.0 - 8.3.25, 8.4.1 - 8.4.12
Array ( [0] => 2 [1] => 4 [2] => 6 [3] => 8 )

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