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<?php $arrays = [ [ "Hello", "Test" ], [ "Friend", "Test" ], [ "Hello", "Code" ], [ "Hello", "Test" ], [ "hello", "Test" ], [ "Hello", "Test" ], ]; var_dump(array_unique($arrays, SORT_REGULAR));
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { [0]=> array(2) { [0]=> string(5) "Hello" [1]=> string(4) "Test" } [1]=> array(2) { [0]=> string(6) "Friend" [1]=> string(4) "Test" } [2]=> array(2) { [0]=> string(5) "Hello" [1]=> string(4) "Code" } [4]=> array(2) { [0]=> string(5) "hello" [1]=> string(4) "Test" } }

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