The array_intersect_assoc() function compares two or more arrays, and returns an array with the keys and values from the first array, only if they are present in all of the other arrays.

• 函数首先对两个或多个数组进行比较；如果第一个数组中的键和值也同时在所有的其他数组中出现，那么就医数组的形式返回这些键和值。