With the PHP function array_rand, we can obtain one or more random keys from the provided array

It retrieves the last key of the array without affecting the pointer's position within the array.

This function retrieves the first key of the provided array. It does not affect the pointer's position within the array.

It counts the number of times a value appears in the provided array and returns an associative array where the keys are the values from the provided array, and the values are the number of times the value appears in the provided array.

We can use the count function on an array to count all its elements. It can also be used on an object, but the object must implement the Countable interface. For example: