【PHP】函数array_intersect、array_diff:从数组中取出、去除指定的几个键值
1.从数组中取出:array_intersect要从数组中取出指定的几个键值,可以使用array_intersect_key函数。以下是一个示例:$array=['name'=>'John','age'=>30,'email'=>'[email protected]','city'=>'NewYork'];$keys=['name','email'];$result=array_intersect_