Viewing file: array_helper.php (2.45 KB) -rwxr-xr-x Select action/file-type: (+) | (+) | (+) | Code (+) | Session (+) | (+) | SDB (+) | (+) | (+) | (+) | (+) | (+) |
<?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 */
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