删除两个使用数组函数不存在的键后比较2个数组

Question

I have 2 arrays a and b which may or may not have similar values.

$a = array('id' => 1, 'name' => 'John Doe', 'age' => 35);
$b = array('name' => 'John Doe', 'age' => 35);

I need to check whether the keys that are there in both the arrays contains same values or not using the array functions itself. Please help me.

NB: Array $a is always the parent array. If any key has to be popped, it would be only from $a.

Answer 1

You can use the following comparison based on array_intersect_assoc:

$b == array_intersect_assoc($a, $b)

This will be true when all of the $b key/value pairs occur in $a, false otherwise.