<?php if (!defined('BASEPATH')) exit('No direct script access allowed'); /** * CodeIgniter * * An open source application development framework for PHP 4.3.2 or newer * * @package CodeIgniter * @author ExpressionEngine Dev Team * @copyright Copyright (c) 2006, EllisLab, Inc. * @license http://codeigniter.com/user_guide/license.html * @link http://codeigniter.com * @since Version 1.0 * @filesource */ // ------------------------------------------------------------------------ /** * CodeIgniter Array Helpers * * @package CodeIgniter * @subpackage Helpers * @category Helpers * @author ExpressionEngine Dev Team * @link http://codeigniter.com/user_guide/helpers/array_helper.html */ // ------------------------------------------------------------------------ /** * Element * * Lets you determine whether an array index is set and whether it has a value. * If the element is empty it returns FALSE (or whatever you specify as the default value.) * * @access public * @param string * @param array * @param mixed * @return mixed depends on what the array contains */ if (! function_exists('element')) { function element($item, $array, $default = FALSE) { if ( ! isset($array[$item]) OR $array[$item] == "") { return $default; } return $array[$item]; } } // ------------------------------------------------------------------------ /** * Random Element - Takes an array as input and returns a random element * * @access public * @param array * @return mixed depends on what the array contains */ if (! function_exists('random_element')) { function random_element($array) { if ( ! is_array($array)) { return $array; } return $array[array_rand($array)]; } } ?>