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<?php $array = ["red", "color" => "red", 78, 78, 12, "12", false, null, false, 0, true, 1, 0, null, 2.12, "2.12", 8, "-s"]; var_dump(array_unique($array, SORT_REGULAR));
Output for git.master, git.master_jit, rfc.property-hooks
array(10) { [0]=> string(3) "red" ["color"]=> string(3) "red" [1]=> int(78) [3]=> int(12) [5]=> bool(false) [6]=> NULL [10]=> int(1) [13]=> float(2.12) [15]=> int(8) [16]=> string(2) "-s" }

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