What is the purpose of array_intersect in PHP?
In PHP, the array_intersect function is used to compare the values of two or more arrays and return the intersection (values that are present in all arrays).
The syntax of the function is:
array_intersect(array1, array2, ...)
Explanation of parameters:
- Array1, array2, and so on: the arrays to be compared, which can be two or more.
Return value:
Returns an array that includes all values that exist in each parameter array. Keys remain unchanged.