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119 lines
2.5 KiB
119 lines
2.5 KiB
<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
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/** |
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* CodeIgniter |
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* |
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* An open source application development framework for PHP 5.1.6 or newer |
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* |
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* @package CodeIgniter |
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* @author ExpressionEngine Dev Team |
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* @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. |
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* @license http://codeigniter.com/user_guide/license.html |
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* @link http://codeigniter.com |
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* @since Version 1.0 |
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* @filesource |
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*/ |
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// ------------------------------------------------------------------------ |
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/** |
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* CodeIgniter Array Helpers |
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* |
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* @package CodeIgniter |
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* @subpackage Helpers |
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* @category Helpers |
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* @author ExpressionEngine Dev Team |
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* @link http://codeigniter.com/user_guide/helpers/array_helper.html |
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*/ |
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// ------------------------------------------------------------------------ |
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/** |
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* Element |
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* |
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* Lets you determine whether an array index is set and whether it has a value. |
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* If the element is empty it returns FALSE (or whatever you specify as the default value.) |
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* |
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* @access public |
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* @param string |
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* @param array |
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* @param mixed |
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* @return mixed depends on what the array contains |
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*/ |
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if ( ! function_exists('element')) |
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{ |
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function element($item, $array, $default = FALSE) |
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{ |
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if ( ! isset($array[$item]) OR $array[$item] == "") |
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{ |
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return $default; |
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} |
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return $array[$item]; |
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} |
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} |
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// ------------------------------------------------------------------------ |
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/** |
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* Random Element - Takes an array as input and returns a random element |
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* |
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* @access public |
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* @param array |
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* @return mixed depends on what the array contains |
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*/ |
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if ( ! function_exists('random_element')) |
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{ |
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function random_element($array) |
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{ |
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if ( ! is_array($array)) |
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{ |
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return $array; |
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} |
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return $array[array_rand($array)]; |
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} |
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} |
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// -------------------------------------------------------------------- |
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/** |
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* Elements |
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* |
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* Returns only the array items specified. Will return a default value if |
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* it is not set. |
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* |
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* @access public |
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* @param array |
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* @param array |
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* @param mixed |
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* @return mixed depends on what the array contains |
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*/ |
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if ( ! function_exists('elements')) |
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{ |
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function elements($items, $array, $default = FALSE) |
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{ |
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$return = array(); |
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if ( ! is_array($items)) |
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{ |
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$items = array($items); |
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} |
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foreach ($items as $item) |
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{ |
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if (isset($array[$item])) |
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{ |
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$return[$item] = $array[$item]; |
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} |
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else |
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{ |
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$return[$item] = $default; |
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} |
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} |
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return $return; |
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} |
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} |
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/* End of file array_helper.php */ |
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/* Location: ./system/helpers/array_helper.php */ |