Limits an integer within the provided range.

gistfile1.php

<?php
/**
 * Limits an integer within the provided range.
 * 
 * @param int $int
 *   The integer to test against.
 * @param int $min_limit
 *   The minimum number $int allowed to return.
 * @param int $max_limit
 *   The maximum number $int allowed to return.
 * 
 * @return int
 *   $int if it is within the range of $min_limit and $max_limit.
 *   If $int is above or below the provided limits, $max_limit or $min_limit
 *   will be returned respectively.
 */
function int_limiter($int, $min_limit, $max_limit) {
  $int = ($int >= $min_limit)? $int:$min_limit;
  $int = ($int <= $max_limit)? $int:$max_limit;
  return $int;
}