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run code in 200+ php & hhvm versions
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<?php class hello { static function world($value) { return $value * 2; } } $test = [1, 2, 3]; $result = array_map('hello::world', $test); var_dump($result);
based on Tcae5
Output for 5.6.0 - 5.6.30, hhvm-3.15.4, 7.0.0 - 7.2.0
array(3) { [0]=> int(2) [1]=> int(4) [2]=> int(6) }