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<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed');
/**
* CodeIgniter
*
* An open source application development framework for PHP 5.1.6 or newer
*
* @package CodeIgniter
* @author ExpressionEngine Dev Team
* @copyright Copyright (c) 2008 - 2011, 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)];
}
}
// --------------------------------------------------------------------
/**
* Elements
*
* Returns only the array items specified. Will return a default value if
* it is not set.
*
* @access public
* @param array
* @param array
* @param mixed
* @return mixed depends on what the array contains
*/
if ( ! function_exists('elements'))
{
function elements($items, $array, $default = FALSE)
{
$return = array();
if ( ! is_array($items))
{
$items = array($items);
}
foreach ($items as $item)
{
if (isset($array[$item]))
{
$return[$item] = $array[$item];
}
else
{
$return[$item] = $default;
}
}
return $return;
}
}
/* End of file array_helper.php */
/* Location: ./system/helpers/array_helper.php */