Share a simple method to merge arrays using the plus sign in PHP_PHP Tutorial

Code:

Copy code The code is as follows:

$a = array('a' = > 'a', 'b' => 'b');
$b = array('c' => 'c', 'd' => 'd');
$ c = $a + $b;
print('

'); <br>print_r($c); <br>print('

');
?>

Result:

Copy code The code is as follows:

Array
(
[a] => a
[b] => b
[c] => c
[d] => d
)

Note: There is still a difference between the plus sign and the array_merge() function, that is, when using the plus sign to merge arrays, if there are keys with the same name between the arrays, the key values ​​corresponding to the previous arrays will be retained, while the array_merge() function is just the opposite.

http://www.bkjia.com/PHPjc/322799.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/322799.htmlTechArticleCode: Copy the code 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...