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$array1 = array(1,2,3,4,5,6);
$array2 = array(2,3);
//1、获取数组键值对
$arr1 = array_keys($array2);
var_dump($arr1);
Array
(
[0] => 0
[1] => 1
)
//2、获取数组元素值
$arr2 = array_values($array2);
var_dump($arr2);
Array
(
[0] => 2
[1] => 3
)
//3、按照$array2包含的键值,删除数组$array1中所有的元素
$arr3 = array_diff($array1,$array2);
var_dump($arr3);
Array
(
[0] => 1
[3] => 4
[4] => 5
[5] => 6
)
//4、按照$array2包含的值,删除数组$array1中所有的元素
$arr4 = array_diff_key($array1,$array2);
var_dump($arr4);
Array
(
[2] => 3
[3] => 4
[4] => 5
[5] => 6
)