Warning: Undefined variable $states_merged in /home/schro624/public_html/week5/inclasswork.php on line 6

Warning: foreach() argument must be of type array|object, null given in /home/schro624/public_html/week5/inclasswork.php on line 6
There are in total 3 items in the array
Fatal error: Uncaught TypeError: sort(): Argument #1 ($array) must be of type array, null given in /home/schro624/public_html/week5/inclasswork.php:15 Stack trace: #0 /home/schro624/public_html/week5/inclasswork.php(15): sort(NULL) #1 {main} thrown in /home/schro624/public_html/week5/inclasswork.php on line 15