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<?php $arr1 = array('304' => '304', '402' => '402'); $arr2 = array('304' => '304'); print_r(array_merge_recursive($arr1, $arr2));
Output for git.master, git.master_jit, rfc.property-hooks
Array ( [0] => 304 [1] => 402 [2] => 304 )

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