$a = ['a' => 'aaa','c' => 'aaaaa'];
$b = ['b' => 'bbb','c' => 'bbbbb'];
dump(array_merge($b,$a));
array_merge 键名重复 以后者为主
相信坚持的力量,日复一日的习惯.
$a = ['a' => 'aaa','c' => 'aaaaa'];
$b = ['b' => 'bbb','c' => 'bbbbb'];
dump(array_merge($b,$a));