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

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