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<?php $array1 = ['1' => 'test1','2' => 'test2' ]; $array2 = ['1' => 'test1']; if (is_array($array1) && is_array($array2)){ $array =array_unique(array_merge($array1, $array2)); } var_dump($array); ?>
Output for git.master, git.master_jit, rfc.property-hooks
array(2) { [0]=> string(5) "test1" [1]=> string(5) "test2" }

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