A simple way to merge Arrays Using the plus sign in PHP

Code: Copy codeThe Code is as follows: <? Php
$ A = array ('A' => 'A', 'B' => 'B ');
$ B = array ('c' => 'C', 'D' => 'D ');
$ C = $ a + $ B;
Print ('<pre> ');
Print_r ($ c );
Print ('</pre> ');
?>

Result:Copy codeThe Code is as follows: Array
(
[A] =>
[B] => B
[C] => c
[D] => d
)

Note: There is a difference between the plus sign and the array_merge () function, that is, when the plus sign is used to merge an array, if there is a key with the same name between the arrays, the corresponding key value of the preceding array is retained, the array_merge () function is the opposite.