PHP Taskbook Level 4.7
Make a function that will take a text with words as a parameter and return a text in which these words will be sorted in alphabetical order.
Create a function that takes two arrays as parameters and returns an array of their common elements.
Make a function that will return a random number. The function should not return the same number twice in a row.
Make a function that takes an array and an element as a parameter and returns the next element. See the example:
$arr = [1, 2, 3, 4, 5];
func($arr, 1); // 2
func($arr, 4); // 5
func($arr, 5); // 1
