Embedded Gist

embedded-gist.php

<?php

/*
Ensure that the $age variable is set to null before running the myLife function.
 */
$age = nil

/**
 * This function returns a message to the user telling them how old they are.
 * 
 * @param 	[int]		$age Requires an integer value as an input.
 * @return 	[string]	Returns a message to the user displaying the input value.
 * @author     			Justin Hartman <justin@hartman.me> 
 * @copyright 			Copyright 2017 Justin Hartman. All rights reserved.
 * @category   			Users
 * 
 */
function myLife($age) {
	if (isset($age) && is_int($age)) {
		echo "You are ".$age." years old."
	} elseif (!isset($age)) {
		echo "Please enter your age silly! We'd really like to get to know you better.";
	} elseif (!is_int($age)) {
		echo "Hmm, you won't believe this but I can't read your age. Tip, only use numbers when entering your age - e.g. 22.";
	} 
}