1052 行
无行尾
21 KiB
PHP
1052 行
无行尾
21 KiB
PHP
<?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 Form 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/form_helper.html
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*/
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// ------------------------------------------------------------------------
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/**
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* Form Declaration
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*
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* Creates the opening portion of the form.
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*
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* @access public
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* @param string the URI segments of the form destination
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* @param array a key/value pair of attributes
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* @param array a key/value pair hidden data
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* @return string
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*/
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if ( ! function_exists('form_open'))
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{
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function form_open($action = '', $attributes = '', $hidden = array())
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{
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$CI =& get_instance();
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if ($attributes == '')
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{
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$attributes = 'method="post"';
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}
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if ($action && strpos($action, '://') === FALSE)
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{
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$action = $CI->config->site_url($action);
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}
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$form = '<form action="'.$action.'"';
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$form .= _attributes_to_string($attributes, TRUE);
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$form .= '>';
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// CSRF
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if ($CI->config->item('csrf_protection') === TRUE)
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{
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$hidden[$CI->security->csrf_token_name] = $CI->security->csrf_hash;
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}
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if (is_array($hidden) AND count($hidden) > 0)
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{
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$form .= sprintf("\n<div class=\"hidden\">%s</div>", form_hidden($hidden));
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}
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return $form;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Form Declaration - Multipart type
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*
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* Creates the opening portion of the form, but with "multipart/form-data".
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*
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* @access public
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* @param string the URI segments of the form destination
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* @param array a key/value pair of attributes
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* @param array a key/value pair hidden data
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* @return string
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*/
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if ( ! function_exists('form_open_multipart'))
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{
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function form_open_multipart($action, $attributes = array(), $hidden = array())
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{
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if (is_string($attributes))
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{
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$attributes .= ' enctype="multipart/form-data"';
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}
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else
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{
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$attributes['enctype'] = 'multipart/form-data';
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}
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return form_open($action, $attributes, $hidden);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Hidden Input Field
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*
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* Generates hidden fields. You can pass a simple key/value string or an associative
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* array with multiple values.
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*
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* @access public
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* @param mixed
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_hidden'))
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{
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function form_hidden($name, $value = '', $recursing = FALSE)
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{
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static $form;
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if ($recursing === FALSE)
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{
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$form = "\n";
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}
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if (is_array($name))
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{
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foreach ($name as $key => $val)
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{
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form_hidden($key, $val, TRUE);
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}
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return $form;
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}
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if ( ! is_array($value))
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{
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$form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value, $name).'" />'."\n";
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}
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else
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{
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foreach ($value as $k => $v)
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{
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$k = (is_int($k)) ? '' : $k;
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form_hidden($name.'['.$k.']', $v, TRUE);
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}
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}
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return $form;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Text Input Field
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*
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* @access public
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* @param mixed
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_input'))
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{
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function form_input($data = '', $value = '', $extra = '')
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{
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$defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
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return "<input "._parse_form_attributes($data, $defaults).$extra." />";
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Password Field
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*
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* Identical to the input function but adds the "password" type
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*
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* @access public
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* @param mixed
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_password'))
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{
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function form_password($data = '', $value = '', $extra = '')
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{
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if ( ! is_array($data))
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{
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$data = array('name' => $data);
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}
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$data['type'] = 'password';
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return form_input($data, $value, $extra);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Upload Field
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*
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* Identical to the input function but adds the "file" type
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*
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* @access public
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* @param mixed
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_upload'))
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{
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function form_upload($data = '', $value = '', $extra = '')
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{
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if ( ! is_array($data))
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{
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$data = array('name' => $data);
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}
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$data['type'] = 'file';
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return form_input($data, $value, $extra);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Textarea field
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*
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* @access public
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* @param mixed
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_textarea'))
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{
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function form_textarea($data = '', $value = '', $extra = '')
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{
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$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');
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if ( ! is_array($data) OR ! isset($data['value']))
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{
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$val = $value;
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}
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else
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{
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$val = $data['value'];
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unset($data['value']); // textareas don't use the value attribute
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}
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$name = (is_array($data)) ? $data['name'] : $data;
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return "<textarea "._parse_form_attributes($data, $defaults).$extra.">".form_prep($val, $name)."</textarea>";
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Multi-select menu
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*
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* @access public
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* @param string
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* @param array
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* @param mixed
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* @param string
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* @return type
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*/
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if ( ! function_exists('form_multiselect'))
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{
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function form_multiselect($name = '', $options = array(), $selected = array(), $extra = '')
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{
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if ( ! strpos($extra, 'multiple'))
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{
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$extra .= ' multiple="multiple"';
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}
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return form_dropdown($name, $options, $selected, $extra);
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}
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}
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// --------------------------------------------------------------------
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/**
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* Drop-down Menu
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*
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* @access public
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* @param string
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* @param array
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_dropdown'))
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{
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function form_dropdown($name = '', $options = array(), $selected = array(), $extra = '')
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{
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if ( ! is_array($selected))
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{
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$selected = array($selected);
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}
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// If no selected state was submitted we will attempt to set it automatically
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if (count($selected) === 0)
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{
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// If the form name appears in the $_POST array we have a winner!
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if (isset($_POST[$name]))
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{
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$selected = array($_POST[$name]);
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}
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}
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if ($extra != '') $extra = ' '.$extra;
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$multiple = (count($selected) > 1 && strpos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : '';
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$form = '<select name="'.$name.'"'.$extra.$multiple.">\n";
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foreach ($options as $key => $val)
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{
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$key = (string) $key;
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if (is_array($val) && ! empty($val))
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{
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$form .= '<optgroup label="'.$key.'">'."\n";
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foreach ($val as $optgroup_key => $optgroup_val)
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{
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$sel = (in_array($optgroup_key, $selected)) ? ' selected="selected"' : '';
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$form .= '<option value="'.$optgroup_key.'"'.$sel.'>'.(string) $optgroup_val."</option>\n";
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}
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$form .= '</optgroup>'."\n";
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}
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else
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{
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$sel = (in_array($key, $selected)) ? ' selected="selected"' : '';
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$form .= '<option value="'.$key.'"'.$sel.'>'.(string) $val."</option>\n";
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}
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}
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$form .= '</select>';
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return $form;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Checkbox Field
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*
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* @access public
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* @param mixed
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* @param string
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* @param bool
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_checkbox'))
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{
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function form_checkbox($data = '', $value = '', $checked = FALSE, $extra = '')
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{
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$defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
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if (is_array($data) AND array_key_exists('checked', $data))
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{
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$checked = $data['checked'];
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if ($checked == FALSE)
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{
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unset($data['checked']);
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}
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else
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{
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$data['checked'] = 'checked';
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}
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}
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if ($checked == TRUE)
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{
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$defaults['checked'] = 'checked';
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}
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else
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{
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unset($defaults['checked']);
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}
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return "<input "._parse_form_attributes($data, $defaults).$extra." />";
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Radio Button
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*
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* @access public
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* @param mixed
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* @param string
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* @param bool
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_radio'))
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{
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function form_radio($data = '', $value = '', $checked = FALSE, $extra = '')
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{
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if ( ! is_array($data))
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{
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$data = array('name' => $data);
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}
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$data['type'] = 'radio';
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return form_checkbox($data, $value, $checked, $extra);
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Submit Button
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*
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* @access public
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* @param mixed
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_submit'))
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{
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function form_submit($data = '', $value = '', $extra = '')
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{
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$defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
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return "<input "._parse_form_attributes($data, $defaults).$extra." />";
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Reset Button
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*
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* @access public
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* @param mixed
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_reset'))
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{
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function form_reset($data = '', $value = '', $extra = '')
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{
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$defaults = array('type' => 'reset', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
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return "<input "._parse_form_attributes($data, $defaults).$extra." />";
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Form Button
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*
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* @access public
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* @param mixed
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* @param string
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_button'))
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{
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function form_button($data = '', $content = '', $extra = '')
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{
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$defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'type' => 'button');
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if ( is_array($data) AND isset($data['content']))
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{
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$content = $data['content'];
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unset($data['content']); // content is not an attribute
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}
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return "<button "._parse_form_attributes($data, $defaults).$extra.">".$content."</button>";
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Form Label Tag
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*
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* @access public
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* @param string The text to appear onscreen
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* @param string The id the label applies to
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* @param string Additional attributes
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* @return string
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*/
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if ( ! function_exists('form_label'))
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{
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function form_label($label_text = '', $id = '', $attributes = array())
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{
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$label = '<label';
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if ($id != '')
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{
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$label .= " for=\"$id\"";
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}
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if (is_array($attributes) AND count($attributes) > 0)
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{
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foreach ($attributes as $key => $val)
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{
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$label .= ' '.$key.'="'.$val.'"';
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}
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}
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$label .= ">$label_text</label>";
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return $label;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Fieldset Tag
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*
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* Used to produce <fieldset><legend>text</legend>. To close fieldset
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* use form_fieldset_close()
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*
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* @access public
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* @param string The legend text
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* @param string Additional attributes
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* @return string
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*/
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if ( ! function_exists('form_fieldset'))
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{
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function form_fieldset($legend_text = '', $attributes = array())
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{
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$fieldset = "<fieldset";
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$fieldset .= _attributes_to_string($attributes, FALSE);
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$fieldset .= ">\n";
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if ($legend_text != '')
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{
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$fieldset .= "<legend>$legend_text</legend>\n";
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}
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return $fieldset;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Fieldset Close Tag
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*
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* @access public
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* @param string
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* @return string
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*/
|
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if ( ! function_exists('form_fieldset_close'))
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{
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function form_fieldset_close($extra = '')
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{
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return "</fieldset>".$extra;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Form Close Tag
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*
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* @access public
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* @param string
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* @return string
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*/
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if ( ! function_exists('form_close'))
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{
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function form_close($extra = '')
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{
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return "</form>".$extra;
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}
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}
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// ------------------------------------------------------------------------
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/**
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* Form Prep
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*
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* Formats text so that it can be safely placed in a form field in the event it has HTML tags.
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*
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* @access public
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* @param string
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* @return string
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*/
|
|
if ( ! function_exists('form_prep'))
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{
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function form_prep($str = '', $field_name = '')
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{
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static $prepped_fields = array();
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// if the field name is an array we do this recursively
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if (is_array($str))
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{
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foreach ($str as $key => $val)
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{
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$str[$key] = form_prep($val);
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}
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return $str;
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}
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if ($str === '')
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{
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return '';
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}
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// we've already prepped a field with this name
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// @todo need to figure out a way to namespace this so
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// that we know the *exact* field and not just one with
|
|
// the same name
|
|
if (isset($prepped_fields[$field_name]))
|
|
{
|
|
return $str;
|
|
}
|
|
|
|
$str = htmlspecialchars($str);
|
|
|
|
// In case htmlspecialchars misses these.
|
|
$str = str_replace(array("'", '"'), array("'", """), $str);
|
|
|
|
if ($field_name != '')
|
|
{
|
|
$prepped_fields[$field_name] = $field_name;
|
|
}
|
|
|
|
return $str;
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Form Value
|
|
*
|
|
* Grabs a value from the POST array for the specified field so you can
|
|
* re-populate an input field or textarea. If Form Validation
|
|
* is active it retrieves the info from the validation class
|
|
*
|
|
* @access public
|
|
* @param string
|
|
* @return mixed
|
|
*/
|
|
if ( ! function_exists('set_value'))
|
|
{
|
|
function set_value($field = '', $default = '')
|
|
{
|
|
if (FALSE === ($OBJ =& _get_validation_object()))
|
|
{
|
|
if ( ! isset($_POST[$field]))
|
|
{
|
|
return $default;
|
|
}
|
|
|
|
return form_prep($_POST[$field], $field);
|
|
}
|
|
|
|
return form_prep($OBJ->set_value($field, $default), $field);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Set Select
|
|
*
|
|
* Let's you set the selected value of a <select> menu via data in the POST array.
|
|
* If Form Validation is active it retrieves the info from the validation class
|
|
*
|
|
* @access public
|
|
* @param string
|
|
* @param string
|
|
* @param bool
|
|
* @return string
|
|
*/
|
|
if ( ! function_exists('set_select'))
|
|
{
|
|
function set_select($field = '', $value = '', $default = FALSE)
|
|
{
|
|
$OBJ =& _get_validation_object();
|
|
|
|
if ($OBJ === FALSE)
|
|
{
|
|
if ( ! isset($_POST[$field]))
|
|
{
|
|
if (count($_POST) === 0 AND $default == TRUE)
|
|
{
|
|
return ' selected="selected"';
|
|
}
|
|
return '';
|
|
}
|
|
|
|
$field = $_POST[$field];
|
|
|
|
if (is_array($field))
|
|
{
|
|
if ( ! in_array($value, $field))
|
|
{
|
|
return '';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (($field == '' OR $value == '') OR ($field != $value))
|
|
{
|
|
return '';
|
|
}
|
|
}
|
|
|
|
return ' selected="selected"';
|
|
}
|
|
|
|
return $OBJ->set_select($field, $value, $default);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Set Checkbox
|
|
*
|
|
* Let's you set the selected value of a checkbox via the value in the POST array.
|
|
* If Form Validation is active it retrieves the info from the validation class
|
|
*
|
|
* @access public
|
|
* @param string
|
|
* @param string
|
|
* @param bool
|
|
* @return string
|
|
*/
|
|
if ( ! function_exists('set_checkbox'))
|
|
{
|
|
function set_checkbox($field = '', $value = '', $default = FALSE)
|
|
{
|
|
$OBJ =& _get_validation_object();
|
|
|
|
if ($OBJ === FALSE)
|
|
{
|
|
if ( ! isset($_POST[$field]))
|
|
{
|
|
if (count($_POST) === 0 AND $default == TRUE)
|
|
{
|
|
return ' checked="checked"';
|
|
}
|
|
return '';
|
|
}
|
|
|
|
$field = $_POST[$field];
|
|
|
|
if (is_array($field))
|
|
{
|
|
if ( ! in_array($value, $field))
|
|
{
|
|
return '';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (($field == '' OR $value == '') OR ($field != $value))
|
|
{
|
|
return '';
|
|
}
|
|
}
|
|
|
|
return ' checked="checked"';
|
|
}
|
|
|
|
return $OBJ->set_checkbox($field, $value, $default);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Set Radio
|
|
*
|
|
* Let's you set the selected value of a radio field via info in the POST array.
|
|
* If Form Validation is active it retrieves the info from the validation class
|
|
*
|
|
* @access public
|
|
* @param string
|
|
* @param string
|
|
* @param bool
|
|
* @return string
|
|
*/
|
|
if ( ! function_exists('set_radio'))
|
|
{
|
|
function set_radio($field = '', $value = '', $default = FALSE)
|
|
{
|
|
$OBJ =& _get_validation_object();
|
|
|
|
if ($OBJ === FALSE)
|
|
{
|
|
if ( ! isset($_POST[$field]))
|
|
{
|
|
if (count($_POST) === 0 AND $default == TRUE)
|
|
{
|
|
return ' checked="checked"';
|
|
}
|
|
return '';
|
|
}
|
|
|
|
$field = $_POST[$field];
|
|
|
|
if (is_array($field))
|
|
{
|
|
if ( ! in_array($value, $field))
|
|
{
|
|
return '';
|
|
}
|
|
}
|
|
else
|
|
{
|
|
if (($field == '' OR $value == '') OR ($field != $value))
|
|
{
|
|
return '';
|
|
}
|
|
}
|
|
|
|
return ' checked="checked"';
|
|
}
|
|
|
|
return $OBJ->set_radio($field, $value, $default);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Form Error
|
|
*
|
|
* Returns the error for a specific form field. This is a helper for the
|
|
* form validation class.
|
|
*
|
|
* @access public
|
|
* @param string
|
|
* @param string
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
if ( ! function_exists('form_error'))
|
|
{
|
|
function form_error($field = '', $prefix = '', $suffix = '')
|
|
{
|
|
if (FALSE === ($OBJ =& _get_validation_object()))
|
|
{
|
|
return '';
|
|
}
|
|
|
|
return $OBJ->error($field, $prefix, $suffix);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Validation Error String
|
|
*
|
|
* Returns all the errors associated with a form submission. This is a helper
|
|
* function for the form validation class.
|
|
*
|
|
* @access public
|
|
* @param string
|
|
* @param string
|
|
* @return string
|
|
*/
|
|
if ( ! function_exists('validation_errors'))
|
|
{
|
|
function validation_errors($prefix = '', $suffix = '')
|
|
{
|
|
if (FALSE === ($OBJ =& _get_validation_object()))
|
|
{
|
|
return '';
|
|
}
|
|
|
|
return $OBJ->error_string($prefix, $suffix);
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Parse the form attributes
|
|
*
|
|
* Helper function used by some of the form helpers
|
|
*
|
|
* @access private
|
|
* @param array
|
|
* @param array
|
|
* @return string
|
|
*/
|
|
if ( ! function_exists('_parse_form_attributes'))
|
|
{
|
|
function _parse_form_attributes($attributes, $default)
|
|
{
|
|
if (is_array($attributes))
|
|
{
|
|
foreach ($default as $key => $val)
|
|
{
|
|
if (isset($attributes[$key]))
|
|
{
|
|
$default[$key] = $attributes[$key];
|
|
unset($attributes[$key]);
|
|
}
|
|
}
|
|
|
|
if (count($attributes) > 0)
|
|
{
|
|
$default = array_merge($default, $attributes);
|
|
}
|
|
}
|
|
|
|
$att = '';
|
|
|
|
foreach ($default as $key => $val)
|
|
{
|
|
if ($key == 'value')
|
|
{
|
|
$val = form_prep($val, $default['name']);
|
|
}
|
|
|
|
$att .= $key . '="' . $val . '" ';
|
|
}
|
|
|
|
return $att;
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Attributes To String
|
|
*
|
|
* Helper function used by some of the form helpers
|
|
*
|
|
* @access private
|
|
* @param mixed
|
|
* @param bool
|
|
* @return string
|
|
*/
|
|
if ( ! function_exists('_attributes_to_string'))
|
|
{
|
|
function _attributes_to_string($attributes, $formtag = FALSE)
|
|
{
|
|
if (is_string($attributes) AND strlen($attributes) > 0)
|
|
{
|
|
if ($formtag == TRUE AND strpos($attributes, 'method=') === FALSE)
|
|
{
|
|
$attributes .= ' method="post"';
|
|
}
|
|
|
|
if ($formtag == TRUE AND strpos($attributes, 'accept-charset=') === FALSE)
|
|
{
|
|
$attributes .= ' accept-charset="'.strtolower(config_item('charset')).'"';
|
|
}
|
|
|
|
return ' '.$attributes;
|
|
}
|
|
|
|
if (is_object($attributes) AND count($attributes) > 0)
|
|
{
|
|
$attributes = (array)$attributes;
|
|
}
|
|
|
|
if (is_array($attributes) AND count($attributes) > 0)
|
|
{
|
|
$atts = '';
|
|
|
|
if ( ! isset($attributes['method']) AND $formtag === TRUE)
|
|
{
|
|
$atts .= ' method="post"';
|
|
}
|
|
|
|
if ( ! isset($attributes['accept-charset']) AND $formtag === TRUE)
|
|
{
|
|
$atts .= ' accept-charset="'.strtolower(config_item('charset')).'"';
|
|
}
|
|
|
|
foreach ($attributes as $key => $val)
|
|
{
|
|
$atts .= ' '.$key.'="'.$val.'"';
|
|
}
|
|
|
|
return $atts;
|
|
}
|
|
}
|
|
}
|
|
|
|
// ------------------------------------------------------------------------
|
|
|
|
/**
|
|
* Validation Object
|
|
*
|
|
* Determines what the form validation class was instantiated as, fetches
|
|
* the object and returns it.
|
|
*
|
|
* @access private
|
|
* @return mixed
|
|
*/
|
|
if ( ! function_exists('_get_validation_object'))
|
|
{
|
|
function &_get_validation_object()
|
|
{
|
|
$CI =& get_instance();
|
|
|
|
// We set this as a variable since we're returning by reference
|
|
$return = FALSE;
|
|
|
|
if ( ! isset($CI->load->_ci_classes) OR ! isset($CI->load->_ci_classes['form_validation']))
|
|
{
|
|
return $return;
|
|
}
|
|
|
|
$object = $CI->load->_ci_classes['form_validation'];
|
|
|
|
if ( ! isset($CI->$object) OR ! is_object($CI->$object))
|
|
{
|
|
return $return;
|
|
}
|
|
|
|
return $CI->$object;
|
|
}
|
|
}
|
|
|
|
|
|
/* End of file form_helper.php */
|
|
/* Location: ./system/helpers/form_helper.php */ |