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<?php $a = [1 => 1, 2 => 2, 3 => 3]; $b = [4 => 4, 5 => 5, 6 => 6]; $c = $a + $b; var_dump($c);
Output for git.master, git.master_jit, rfc.property-hooks
array(6) { [1]=> int(1) [2]=> int(2) [3]=> int(3) [4]=> int(4) [5]=> int(5) [6]=> int(6) }

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