Detects if an integer is between the provided range.

between.php

<?php
/**
 * Detects if an integer is between the provided range.
 * 
 * @param int $int
 *   The integer to test against.
 * @param int $min
 *   The minimum number $int can be.
 * @param int $max
 *   The maximum number $int can be.
 * 
 * @return bool
 *   TRUE if $int is within the range of $min and $max; FALSE if it is not.
 */
function between($int, $min, $max) {
  return ($int >= $min && $int <= $max);
}