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<?php class Foo { protected function order($a, $b) { if ($a == $b) { return 0; } return ($a < $b) ? -1 : 1; } public function sortStuff($arr) { usort($arr, [$this, 'order']); return $arr; } } $f = new Foo(); print_r($f->sortStuff([5, 6, 8, 3, 7, 9]));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 3 [1] => 5 [2] => 6 [3] => 7 [4] => 8 [5] => 9 )

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