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box_of_stars

Language/Type: PHP console output parameters

Write a function named box_of_stars that accepts two integer parameters representing a width and height in centimeters, and prints to the console a 'box' figure whose border is * stars and whose center is made of spaces.

For example, the call of box_of_stars(8, 5) should print the following output: 

********
*      *
*      *
*      *
********

You may assume that the values passed for the width and height are at least 2.

Function: Write a PHP function as described, not a complete program.

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