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<?php $arr1 = array('123' => '123', '456' => '456'); $arr2 = array('123' => '123'); print_r(array_merge_recursive($arr1, $arr2)); $arr1 = array('x123' => 'x123', 'x456' => 'x456'); $arr2 = array('x123' => 'x123'); print_r(array_merge_recursive($arr1, $arr2));
Output for 4.3.0 - 4.3.11, 4.4.0 - 4.4.9, 5.0.0 - 5.0.5, 5.1.0 - 5.1.6, 5.2.0 - 5.2.17, 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.40, 7.0.0 - 7.0.33, 7.1.0 - 7.1.33, 7.2.0 - 7.2.33, 7.3.0 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.6
Array ( [0] => 123 [1] => 456 [2] => 123 ) Array ( [x123] => Array ( [0] => x123 [1] => x123 ) [x456] => x456 )
preferences:
287.11 ms | 406 KiB | 460 Q