Write, test, and debug (if necessary) PHP scripts for the specifications that follow. For these exercises. write functions and the code to test them.
Parameter: An array of strings.
Return value: A list of the unique strings in the parameter array.
Parameter: An array of numbers.
Return value: The average and median of the parameter array.
Parameter: An array of numbers separated by spaces.
Return value: The first four-digit number in the string;
false if none.
Have your name within a comment.
Submit your assignment by e-mail (to siegfrie@adelphi.edu).