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<?php $array = array( array( "a", "b", "c" => "def" ), array( "aa", "bb", "cc" => "def" ), array( "a", "b", "c" => "defg" ), array( "aa", "bb", "cc" => "def" ), array( "a", "b", "c" => "def" ), ); var_dump( array_unique( $array, SORT_REGULAR ) );
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { [0]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" ["c"]=> string(3) "def" } [1]=> array(3) { [0]=> string(2) "aa" [1]=> string(2) "bb" ["cc"]=> string(3) "def" } [2]=> array(3) { [0]=> string(1) "a" [1]=> string(1) "b" ["c"]=> string(4) "defg" } }

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