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run code in 300+ PHP versions simultaneously
<?php class A { public function a() { return array_map(function($i) { return $i; }, [1,2,3]); } } $a = new A(); var_dump($a->a());
Output for 5.4.1 - 5.4.45, 5.5.24 - 5.5.35, 5.6.8 - 5.6.28, 7.3.32 - 7.3.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }
Output for 7.0.0 - 7.0.20, 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.31, 7.4.0 - 7.4.33
Deprecated: Methods with the same name as their class will not be constructors in a future version of PHP; A has a deprecated constructor in /in/UOPbn on line 2 array(3) { [0]=> int(1) [1]=> int(2) [2]=> int(3) }

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180.62 ms | 403 KiB | 228 Q