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<?php $arr1 = array('bundle1' => ['1'], 'bundle2' => ['2'], 'bundle3' => ['b3']); $arr2 = array('bundle2' => ['3'], 'bundle1' => ['4'], 'bundle4' => ['b4']); var_dump(array_merge($arr1, $arr2)); var_dump($arr1 + $arr2);
Output for git.master, git.master_jit, rfc.property-hooks
array(4) { ["bundle1"]=> array(1) { [0]=> string(1) "4" } ["bundle2"]=> array(1) { [0]=> string(1) "3" } ["bundle3"]=> array(1) { [0]=> string(2) "b3" } ["bundle4"]=> array(1) { [0]=> string(2) "b4" } } array(4) { ["bundle1"]=> array(1) { [0]=> string(1) "1" } ["bundle2"]=> array(1) { [0]=> string(1) "2" } ["bundle3"]=> array(1) { [0]=> string(2) "b3" } ["bundle4"]=> array(1) { [0]=> string(2) "b4" } }

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