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<?php $input = array( 'foo' => array( 'foo', 'foo' ) ); var_dump(array_map("unserialize", array_unique(array_map("serialize", $input))));
Output for git.master, git.master_jit, rfc.property-hooks
array(1) { ["foo"]=> array(2) { [0]=> string(3) "foo" [1]=> string(3) "foo" } }

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