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<?php namespace std { function array_shift(array &$array): mixed { foreach ($array as $key => $item) { unset($array[$key]); return $item; } return null; } } namespace { $preflight = microtime(true); $foo = ['bar', 123, 'baz', true]; $start = microtime(true); var_dump(array_shift($foo), $foo); $end = microtime(true); printf("%0.6fs\n", $end - $start); $foo = ['bar', 123, 'baz', true]; $start = microtime(true); var_dump(std\array_shift($foo), $foo); $end = microtime(true); printf("%0.6fs\n", $end - $start); }
Output for git.master
string(3) "bar" array(3) { [0]=> int(123) [1]=> string(3) "baz" [2]=> bool(true) } 0.000024s string(3) "bar" array(3) { [1]=> int(123) [2]=> string(3) "baz" [3]=> bool(true) } 0.000019s

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