$a=array([0]=>0 [1]=>3)
$b=array([0]=>image [1]=>profile [2]=>password [3]=>login)
我想比较数组a的键值,即0到数组b的索引值0
解决方法:
用这个
$a = array(0, 3);
$b = array(0 => 'image', 1 => 'profile', 2 => 'password', 3 => 'login');
$c = array_intersect_key($b, array_flip($a));
结果
Array
(
[0] => image
[3] => login
)