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<?php $a = ['a' => 'aa', 'b' => 'bb']; $b = ['a' => 'aaa', 'c' => 'cc']; var_dump($a + $b);
Output for git.master, git.master_jit, rfc.property-hooks
array(3) { ["a"]=> string(2) "aa" ["b"]=> string(2) "bb" ["c"]=> string(2) "cc" }

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