<?php
$a = array('1'=>'a1','2'=>'a2','a'=>'1');
$b = array('2'=>'b2','b'=>'2');
var_dump($a+$b);
var_dump($b+$a);
var_dump(array_merge($a,$b));
var_dump(array_merge($b,$a));
- Output for 7.1.0 - 7.1.20, 7.2.0 - 7.2.33, 7.3.16 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.27, 8.2.0 - 8.2.17, 8.3.0 - 8.3.4
- array(4) {
[1]=>
string(2) "a1"
[2]=>
string(2) "a2"
["a"]=>
string(1) "1"
["b"]=>
string(1) "2"
}
array(4) {
[2]=>
string(2) "b2"
["b"]=>
string(1) "2"
[1]=>
string(2) "a1"
["a"]=>
string(1) "1"
}
array(5) {
[0]=>
string(2) "a1"
[1]=>
string(2) "a2"
["a"]=>
string(1) "1"
[2]=>
string(2) "b2"
["b"]=>
string(1) "2"
}
array(5) {
[0]=>
string(2) "b2"
["b"]=>
string(1) "2"
[1]=>
string(2) "a1"
[2]=>
string(2) "a2"
["a"]=>
string(1) "1"
}
preferences:
152.73 ms | 404 KiB | 152 Q