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Language/Type: PHP return

Write a function named days_in_month that accepts a month (an integer between 1 and 12) as a parameter and returns the number of days in that month. For example, the call of days_in_month(9) returns 30 because September has 30 days. You may assume that the month value passed is between 1 and 12 inclusive. Ignore leap years; assume that February always has 28 days.

Recall the following table of the number of days in each month:

Month 1 Jan 2 Feb 3 Mar 4 Apr 5 May 6 Jun 7 Jul 8 Aug 9 Sep 10 Oct 11 Nov 12 Dec
Days 31 28 31 30 31 30 31 31 30 31 30 31
Function: Write a PHP function as described, not a complete program.

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