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run code in 300+ PHP versions simultaneously
<?php class A { public function x($i) { return $i; } public function abc() { return array_map(function($i) { return $this->x($i); }, [1,2,3]); } } $a = new A(); var_dump($a->abc());
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.0.0 - 7.0.20, 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, 8.2.0 - 8.2.19, 8.3.0 - 8.3.7
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
preferences:
181.99 ms | 404 KiB | 273 Q