diff options
Diffstat (limited to 'system/helpers/form_helper.php')
-rw-r--r-- | system/helpers/form_helper.php | 1093 |
1 files changed, 547 insertions, 546 deletions
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php index 7e2c3a0ae..13f196318 100644 --- a/system/helpers/form_helper.php +++ b/system/helpers/form_helper.php @@ -1,19 +1,41 @@ -<?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); +<?php /** * CodeIgniter * - * An open source application development framework for PHP 5.1.6 or newer + * An open source application development framework for PHP * - * @package CodeIgniter - * @author ExpressionEngine Dev Team - * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. - * @license http://codeigniter.com/user_guide/license.html - * @link http://codeigniter.com - * @since Version 1.0 + * This content is released under the MIT License (MIT) + * + * Copyright (c) 2014 - 2017, British Columbia Institute of Technology + * + * Permission is hereby granted, free of charge, to any person obtaining a copy + * of this software and associated documentation files (the "Software"), to deal + * in the Software without restriction, including without limitation the rights + * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the Software is + * furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice shall be included in + * all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE + * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, + * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN + * THE SOFTWARE. + * + * @package CodeIgniter + * @author EllisLab Dev Team + * @copyright Copyright (c) 2008 - 2014, EllisLab, Inc. (https://ellislab.com/) + * @copyright Copyright (c) 2014 - 2017, British Columbia Institute of Technology (http://bcit.ca/) + * @license http://opensource.org/licenses/MIT MIT License + * @link https://codeigniter.com + * @since Version 1.0.0 * @filesource */ - -// ------------------------------------------------------------------------ +defined('BASEPATH') OR exit('No direct script access allowed'); /** * CodeIgniter Form Helpers @@ -21,58 +43,94 @@ * @package CodeIgniter * @subpackage Helpers * @category Helpers - * @author ExpressionEngine Dev Team - * @link http://codeigniter.com/user_guide/helpers/form_helper.html + * @author EllisLab Dev Team + * @link https://codeigniter.com/user_guide/helpers/form_helper.html */ // ------------------------------------------------------------------------ -/** - * Form Declaration - * - * Creates the opening portion of the form. - * - * @access public - * @param string the URI segments of the form destination - * @param array a key/value pair of attributes - * @param array a key/value pair hidden data - * @return string - */ if ( ! function_exists('form_open')) { - function form_open($action = '', $attributes = '', $hidden = array()) + /** + * Form Declaration + * + * Creates the opening portion of the form. + * + * @param string the URI segments of the form destination + * @param array a key/value pair of attributes + * @param array a key/value pair hidden data + * @return string + */ + function form_open($action = '', $attributes = array(), $hidden = array()) { $CI =& get_instance(); - if ($attributes == '') + // If no action is provided then set to the current url + if ( ! $action) { - $attributes = 'method="post"'; + $action = $CI->config->site_url($CI->uri->uri_string()); } - // If an action is not a full URL then turn it into one - if ($action && strpos($action, '://') === FALSE) + elseif (strpos($action, '://') === FALSE) { $action = $CI->config->site_url($action); } - // If no action is provided then set to the current url - $action OR $action = $CI->config->site_url($CI->uri->uri_string()); + $attributes = _attributes_to_string($attributes); - $form = '<form action="'.$action.'"'; + if (stripos($attributes, 'method=') === FALSE) + { + $attributes .= ' method="post"'; + } - $form .= _attributes_to_string($attributes, TRUE); + if (stripos($attributes, 'accept-charset=') === FALSE) + { + $attributes .= ' accept-charset="'.strtolower(config_item('charset')).'"'; + } - $form .= '>'; + $form = '<form action="'.$action.'"'.$attributes.">\n"; - // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites - if ($CI->config->item('csrf_protection') === TRUE AND ! (strpos($action, $CI->config->base_url()) === FALSE OR strpos($form, 'method="get"'))) + if (is_array($hidden)) { - $hidden[$CI->security->get_csrf_token_name()] = $CI->security->get_csrf_hash(); + foreach ($hidden as $name => $value) + { + $form .= '<input type="hidden" name="'.$name.'" value="'.html_escape($value).'" />'."\n"; + } } - if (is_array($hidden) AND count($hidden) > 0) + // Add CSRF field if enabled, but leave it out for GET requests and requests to external websites + if ($CI->config->item('csrf_protection') === TRUE && strpos($action, $CI->config->base_url()) !== FALSE && ! stripos($form, 'method="get"')) { - $form .= sprintf("<div style=\"display:none\">%s</div>", form_hidden($hidden)); + // Prepend/append random-length "white noise" around the CSRF + // token input, as a form of protection against BREACH attacks + if (FALSE !== ($noise = $CI->security->get_random_bytes(1))) + { + list(, $noise) = unpack('c', $noise); + } + else + { + $noise = mt_rand(-128, 127); + } + + // Prepend if $noise has a negative value, append if positive, do nothing for zero + $prepend = $append = ''; + if ($noise < 0) + { + $prepend = str_repeat(" ", abs($noise)); + } + elseif ($noise > 0) + { + $append = str_repeat(" ", $noise); + } + + $form .= sprintf( + '%s<input type="hidden" name="%s" value="%s" />%s%s', + $prepend, + $CI->security->get_csrf_token_name(), + $CI->security->get_csrf_hash(), + $append, + "\n" + ); } return $form; @@ -81,19 +139,18 @@ if ( ! function_exists('form_open')) // ------------------------------------------------------------------------ -/** - * Form Declaration - Multipart type - * - * Creates the opening portion of the form, but with "multipart/form-data". - * - * @access public - * @param string the URI segments of the form destination - * @param array a key/value pair of attributes - * @param array a key/value pair hidden data - * @return string - */ if ( ! function_exists('form_open_multipart')) { + /** + * Form Declaration - Multipart type + * + * Creates the opening portion of the form, but with "multipart/form-data". + * + * @param string the URI segments of the form destination + * @param array a key/value pair of attributes + * @param array a key/value pair hidden data + * @return string + */ function form_open_multipart($action = '', $attributes = array(), $hidden = array()) { if (is_string($attributes)) @@ -111,19 +168,19 @@ if ( ! function_exists('form_open_multipart')) // ------------------------------------------------------------------------ -/** - * Hidden Input Field - * - * Generates hidden fields. You can pass a simple key/value string or an associative - * array with multiple values. - * - * @access public - * @param mixed - * @param string - * @return string - */ if ( ! function_exists('form_hidden')) { + /** + * Hidden Input Field + * + * Generates hidden fields. You can pass a simple key/value string or + * an associative array with multiple values. + * + * @param mixed $name Field name + * @param string $value Field value + * @param bool $recursing + * @return string + */ function form_hidden($name, $value = '', $recursing = FALSE) { static $form; @@ -139,18 +196,19 @@ if ( ! function_exists('form_hidden')) { form_hidden($key, $val, TRUE); } + return $form; } if ( ! is_array($value)) { - $form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value, $name).'" />'."\n"; + $form .= '<input type="hidden" name="'.$name.'" value="'.html_escape($value)."\" />\n"; } else { foreach ($value as $k => $v) { - $k = (is_int($k)) ? '' : $k; + $k = is_int($k) ? '' : $k; form_hidden($name.'['.$k.']', $v, TRUE); } } @@ -161,47 +219,45 @@ if ( ! function_exists('form_hidden')) // ------------------------------------------------------------------------ -/** - * Text Input Field - * - * @access public - * @param mixed - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_input')) { + /** + * Text Input Field + * + * @param mixed + * @param string + * @param mixed + * @return string + */ function form_input($data = '', $value = '', $extra = '') { - $defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + $defaults = array( + 'type' => 'text', + 'name' => is_array($data) ? '' : $data, + 'value' => $value + ); - return "<input "._parse_form_attributes($data, $defaults).$extra." />"; + return '<input '._parse_form_attributes($data, $defaults)._attributes_to_string($extra)." />\n"; } } // ------------------------------------------------------------------------ -/** - * Password Field - * - * Identical to the input function but adds the "password" type - * - * @access public - * @param mixed - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_password')) { + /** + * Password Field + * + * Identical to the input function but adds the "password" type + * + * @param mixed + * @param string + * @param mixed + * @return string + */ function form_password($data = '', $value = '', $extra = '') { - if ( ! is_array($data)) - { - $data = array('name' => $data); - } - + is_array($data) OR $data = array('name' => $data); $data['type'] = 'password'; return form_input($data, $value, $extra); } @@ -209,47 +265,47 @@ if ( ! function_exists('form_password')) // ------------------------------------------------------------------------ -/** - * Upload Field - * - * Identical to the input function but adds the "file" type - * - * @access public - * @param mixed - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_upload')) { + /** + * Upload Field + * + * Identical to the input function but adds the "file" type + * + * @param mixed + * @param string + * @param mixed + * @return string + */ function form_upload($data = '', $value = '', $extra = '') { - if ( ! is_array($data)) - { - $data = array('name' => $data); - } - + $defaults = array('type' => 'file', 'name' => ''); + is_array($data) OR $data = array('name' => $data); $data['type'] = 'file'; - return form_input($data, $value, $extra); + + return '<input '._parse_form_attributes($data, $defaults)._attributes_to_string($extra)." />\n"; } } // ------------------------------------------------------------------------ -/** - * Textarea field - * - * @access public - * @param mixed - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_textarea')) { + /** + * Textarea field + * + * @param mixed $data + * @param string $value + * @param mixed $extra + * @return string + */ function form_textarea($data = '', $value = '', $extra = '') { - $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '40', 'rows' => '10'); + $defaults = array( + 'name' => is_array($data) ? '' : $data, + 'cols' => '40', + 'rows' => '10' + ); if ( ! is_array($data) OR ! isset($data['value'])) { @@ -261,28 +317,29 @@ if ( ! function_exists('form_textarea')) unset($data['value']); // textareas don't use the value attribute } - $name = (is_array($data)) ? $data['name'] : $data; - return "<textarea "._parse_form_attributes($data, $defaults).$extra.">".form_prep($val, $name)."</textarea>"; + return '<textarea '._parse_form_attributes($data, $defaults)._attributes_to_string($extra).'>' + .html_escape($val) + ."</textarea>\n"; } } // ------------------------------------------------------------------------ -/** - * Multi-select menu - * - * @access public - * @param string - * @param array - * @param mixed - * @param string - * @return type - */ if ( ! function_exists('form_multiselect')) { + /** + * Multi-select menu + * + * @param string + * @param array + * @param mixed + * @param mixed + * @return string + */ function form_multiselect($name = '', $options = array(), $selected = array(), $extra = '') { - if ( ! strpos($extra, 'multiple')) + $extra = _attributes_to_string($extra); + if (stripos($extra, 'multiple') === FALSE) { $extra .= ' multiple="multiple"'; } @@ -293,91 +350,117 @@ if ( ! function_exists('form_multiselect')) // -------------------------------------------------------------------- -/** - * Drop-down Menu - * - * @access public - * @param string - * @param array - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_dropdown')) { - function form_dropdown($name = '', $options = array(), $selected = array(), $extra = '') + /** + * Drop-down Menu + * + * @param mixed $data + * @param mixed $options + * @param mixed $selected + * @param mixed $extra + * @return string + */ + function form_dropdown($data = '', $options = array(), $selected = array(), $extra = '') { - if ( ! is_array($selected)) + $defaults = array(); + + if (is_array($data)) { - $selected = array($selected); + if (isset($data['selected'])) + { + $selected = $data['selected']; + unset($data['selected']); // select tags don't have a selected attribute + } + + if (isset($data['options'])) + { + $options = $data['options']; + unset($data['options']); // select tags don't use an options attribute + } } + else + { + $defaults = array('name' => $data); + } + + is_array($selected) OR $selected = array($selected); + is_array($options) OR $options = array($options); // If no selected state was submitted we will attempt to set it automatically - if (count($selected) === 0) + if (empty($selected)) { - // If the form name appears in the $_POST array we have a winner! - if (isset($_POST[$name])) + if (is_array($data)) { - $selected = array($_POST[$name]); + if (isset($data['name'], $_POST[$data['name']])) + { + $selected = array($_POST[$data['name']]); + } + } + elseif (isset($_POST[$data])) + { + $selected = array($_POST[$data]); } } - if ($extra != '') $extra = ' '.$extra; + $extra = _attributes_to_string($extra); - $multiple = (count($selected) > 1 && strpos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : ''; + $multiple = (count($selected) > 1 && stripos($extra, 'multiple') === FALSE) ? ' multiple="multiple"' : ''; - $form = '<select name="'.$name.'"'.$extra.$multiple.">\n"; + $form = '<select '.rtrim(_parse_form_attributes($data, $defaults)).$extra.$multiple.">\n"; foreach ($options as $key => $val) { $key = (string) $key; - if (is_array($val) && ! empty($val)) + if (is_array($val)) { - $form .= '<optgroup label="'.$key.'">'."\n"; + if (empty($val)) + { + continue; + } + + $form .= '<optgroup label="'.$key."\">\n"; foreach ($val as $optgroup_key => $optgroup_val) { - $sel = (in_array($optgroup_key, $selected)) ? ' selected="selected"' : ''; - - $form .= '<option value="'.$optgroup_key.'"'.$sel.'>'.(string) $optgroup_val."</option>\n"; + $sel = in_array($optgroup_key, $selected) ? ' selected="selected"' : ''; + $form .= '<option value="'.html_escape($optgroup_key).'"'.$sel.'>' + .(string) $optgroup_val."</option>\n"; } - $form .= '</optgroup>'."\n"; + $form .= "</optgroup>\n"; } else { - $sel = (in_array($key, $selected)) ? ' selected="selected"' : ''; - - $form .= '<option value="'.$key.'"'.$sel.'>'.(string) $val."</option>\n"; + $form .= '<option value="'.html_escape($key).'"' + .(in_array($key, $selected) ? ' selected="selected"' : '').'>' + .(string) $val."</option>\n"; } } - $form .= '</select>'; - - return $form; + return $form."</select>\n"; } } // ------------------------------------------------------------------------ -/** - * Checkbox Field - * - * @access public - * @param mixed - * @param string - * @param bool - * @param string - * @return string - */ if ( ! function_exists('form_checkbox')) { + /** + * Checkbox Field + * + * @param mixed + * @param string + * @param bool + * @param mixed + * @return string + */ function form_checkbox($data = '', $value = '', $checked = FALSE, $extra = '') { - $defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + $defaults = array('type' => 'checkbox', 'name' => ( ! is_array($data) ? $data : ''), 'value' => $value); - if (is_array($data) AND array_key_exists('checked', $data)) + if (is_array($data) && array_key_exists('checked', $data)) { $checked = $data['checked']; @@ -400,167 +483,159 @@ if ( ! function_exists('form_checkbox')) unset($defaults['checked']); } - return "<input "._parse_form_attributes($data, $defaults).$extra." />"; + return '<input '._parse_form_attributes($data, $defaults)._attributes_to_string($extra)." />\n"; } } // ------------------------------------------------------------------------ -/** - * Radio Button - * - * @access public - * @param mixed - * @param string - * @param bool - * @param string - * @return string - */ if ( ! function_exists('form_radio')) { + /** + * Radio Button + * + * @param mixed + * @param string + * @param bool + * @param mixed + * @return string + */ function form_radio($data = '', $value = '', $checked = FALSE, $extra = '') { - if ( ! is_array($data)) - { - $data = array('name' => $data); - } - + is_array($data) OR $data = array('name' => $data); $data['type'] = 'radio'; + return form_checkbox($data, $value, $checked, $extra); } } // ------------------------------------------------------------------------ -/** - * Submit Button - * - * @access public - * @param mixed - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_submit')) { + /** + * Submit Button + * + * @param mixed + * @param string + * @param mixed + * @return string + */ function form_submit($data = '', $value = '', $extra = '') { - $defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + $defaults = array( + 'type' => 'submit', + 'name' => is_array($data) ? '' : $data, + 'value' => $value + ); - return "<input "._parse_form_attributes($data, $defaults).$extra." />"; + return '<input '._parse_form_attributes($data, $defaults)._attributes_to_string($extra)." />\n"; } } // ------------------------------------------------------------------------ -/** - * Reset Button - * - * @access public - * @param mixed - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_reset')) { + /** + * Reset Button + * + * @param mixed + * @param string + * @param mixed + * @return string + */ function form_reset($data = '', $value = '', $extra = '') { - $defaults = array('type' => 'reset', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value); + $defaults = array( + 'type' => 'reset', + 'name' => is_array($data) ? '' : $data, + 'value' => $value + ); - return "<input "._parse_form_attributes($data, $defaults).$extra." />"; + return '<input '._parse_form_attributes($data, $defaults)._attributes_to_string($extra)." />\n"; } } // ------------------------------------------------------------------------ -/** - * Form Button - * - * @access public - * @param mixed - * @param string - * @param string - * @return string - */ if ( ! function_exists('form_button')) { + /** + * Form Button + * + * @param mixed + * @param string + * @param mixed + * @return string + */ function form_button($data = '', $content = '', $extra = '') { - $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'type' => 'button'); + $defaults = array( + 'name' => is_array($data) ? '' : $data, + 'type' => 'button' + ); - if ( is_array($data) AND isset($data['content'])) + if (is_array($data) && isset($data['content'])) { $content = $data['content']; unset($data['content']); // content is not an attribute } - return "<button "._parse_form_attributes($data, $defaults).$extra.">".$content."</button>"; + return '<button '._parse_form_attributes($data, $defaults)._attributes_to_string($extra).'>' + .$content + ."</button>\n"; } } // ------------------------------------------------------------------------ -/** - * Form Label Tag - * - * @access public - * @param string The text to appear onscreen - * @param string The id the label applies to - * @param string Additional attributes - * @return string - */ if ( ! function_exists('form_label')) { + /** + * Form Label Tag + * + * @param string The text to appear onscreen + * @param string The id the label applies to + * @param mixed Additional attributes + * @return string + */ function form_label($label_text = '', $id = '', $attributes = array()) { $label = '<label'; - if ($id != '') + if ($id !== '') { - $label .= " for=\"$id\""; + $label .= ' for="'.$id.'"'; } - if (is_array($attributes) AND count($attributes) > 0) - { - foreach ($attributes as $key => $val) - { - $label .= ' '.$key.'="'.$val.'"'; - } - } - - $label .= ">$label_text</label>"; + $label .= _attributes_to_string($attributes); - return $label; + return $label.'>'.$label_text.'</label>'; } } // ------------------------------------------------------------------------ -/** - * Fieldset Tag - * - * Used to produce <fieldset><legend>text</legend>. To close fieldset - * use form_fieldset_close() - * - * @access public - * @param string The legend text - * @param string Additional attributes - * @return string - */ + if ( ! function_exists('form_fieldset')) { + /** + * Fieldset Tag + * + * Used to produce <fieldset><legend>text</legend>. To close fieldset + * use form_fieldset_close() + * + * @param string The legend text + * @param array Additional attributes + * @return string + */ function form_fieldset($legend_text = '', $attributes = array()) { - $fieldset = "<fieldset"; - - $fieldset .= _attributes_to_string($attributes, FALSE); - - $fieldset .= ">\n"; - - if ($legend_text != '') + $fieldset = '<fieldset'._attributes_to_string($attributes).">\n"; + if ($legend_text !== '') { - $fieldset .= "<legend>$legend_text</legend>\n"; + return $fieldset.'<legend>'.$legend_text."</legend>\n"; } return $fieldset; @@ -569,306 +644,250 @@ if ( ! function_exists('form_fieldset')) // ------------------------------------------------------------------------ -/** - * Fieldset Close Tag - * - * @access public - * @param string - * @return string - */ if ( ! function_exists('form_fieldset_close')) { + /** + * Fieldset Close Tag + * + * @param string + * @return string + */ function form_fieldset_close($extra = '') { - return "</fieldset>".$extra; + return '</fieldset>'.$extra; } } // ------------------------------------------------------------------------ -/** - * Form Close Tag - * - * @access public - * @param string - * @return string - */ if ( ! function_exists('form_close')) { + /** + * Form Close Tag + * + * @param string + * @return string + */ function form_close($extra = '') { - return "</form>".$extra; + return '</form>'.$extra; } } // ------------------------------------------------------------------------ -/** - * Form Prep - * - * Formats text so that it can be safely placed in a form field in the event it has HTML tags. - * - * @access public - * @param string - * @return string - */ if ( ! function_exists('form_prep')) { - function form_prep($str = '', $field_name = '') + /** + * Form Prep + * + * Formats text so that it can be safely placed in a form field in the event it has HTML tags. + * + * @deprecated 3.0.0 An alias for html_escape() + * @param string|string[] $str Value to escape + * @return string|string[] Escaped values + */ + function form_prep($str) { - static $prepped_fields = array(); - - // if the field name is an array we do this recursively - if (is_array($str)) - { - foreach ($str as $key => $val) - { - $str[$key] = form_prep($val); - } - - return $str; - } - - if ($str === '') - { - return ''; - } - - // we've already prepped a field with this name - // @todo need to figure out a way to namespace this so - // 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 $str; + return html_escape($str, TRUE); } } // ------------------------------------------------------------------------ -/** - * 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 = '') + /** + * 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 + * + * @param string $field Field name + * @param string $default Default value + * @param bool $html_escape Whether to escape HTML special characters or not + * @return string + */ + function set_value($field, $default = '', $html_escape = TRUE) { - if (FALSE === ($OBJ =& _get_validation_object())) - { - if ( ! isset($_POST[$field])) - { - return $default; - } + $CI =& get_instance(); - return form_prep($_POST[$field], $field); - } + $value = (isset($CI->form_validation) && is_object($CI->form_validation) && $CI->form_validation->has_rule($field)) + ? $CI->form_validation->set_value($field, $default) + : $CI->input->post($field, FALSE); - return form_prep($OBJ->set_value($field, $default), $field); + isset($value) OR $value = $default; + return ($html_escape) ? html_escape($value) : $value; } } // ------------------------------------------------------------------------ -/** - * Set Select - * - * Let's you set the selected value of a <select> menu via data in the POST array. - * If Form Validation is active it retrieves the info from the validation class - * - * @access public - * @param string - * @param string - * @param bool - * @return string - */ if ( ! function_exists('set_select')) { - function set_select($field = '', $value = '', $default = FALSE) + /** + * Set Select + * + * Let's you set the selected value of a <select> menu via data in the POST array. + * If Form Validation is active it retrieves the info from the validation class + * + * @param string + * @param string + * @param bool + * @return string + */ + function set_select($field, $value = '', $default = FALSE) { - $OBJ =& _get_validation_object(); + $CI =& get_instance(); - if ($OBJ === FALSE) + if (isset($CI->form_validation) && is_object($CI->form_validation) && $CI->form_validation->has_rule($field)) { - if ( ! isset($_POST[$field])) - { - if (count($_POST) === 0 AND $default == TRUE) - { - return ' selected="selected"'; - } - return ''; - } - - $field = $_POST[$field]; + return $CI->form_validation->set_select($field, $value, $default); + } + elseif (($input = $CI->input->post($field, FALSE)) === NULL) + { + return ($default === TRUE) ? ' selected="selected"' : ''; + } - if (is_array($field)) - { - if ( ! in_array($value, $field)) - { - return ''; - } - } - else + $value = (string) $value; + if (is_array($input)) + { + // Note: in_array('', array(0)) returns TRUE, do not use it + foreach ($input as &$v) { - if (($field == '' OR $value == '') OR ($field != $value)) + if ($value === $v) { - return ''; + return ' selected="selected"'; } } - return ' selected="selected"'; + return ''; } - return $OBJ->set_select($field, $value, $default); + return ($input === $value) ? ' selected="selected"' : ''; } } // ------------------------------------------------------------------------ -/** - * Set Checkbox - * - * Let's you set the selected value of a checkbox via the value in the POST array. - * If Form Validation is active it retrieves the info from the validation class - * - * @access public - * @param string - * @param string - * @param bool - * @return string - */ if ( ! function_exists('set_checkbox')) { - function set_checkbox($field = '', $value = '', $default = FALSE) + /** + * Set Checkbox + * + * Let's you set the selected value of a checkbox via the value in the POST array. + * If Form Validation is active it retrieves the info from the validation class + * + * @param string + * @param string + * @param bool + * @return string + */ + function set_checkbox($field, $value = '', $default = FALSE) { - $OBJ =& _get_validation_object(); + $CI =& get_instance(); - if ($OBJ === FALSE) + if (isset($CI->form_validation) && is_object($CI->form_validation) && $CI->form_validation->has_rule($field)) { - if ( ! isset($_POST[$field])) - { - if (count($_POST) === 0 AND $default == TRUE) - { - return ' checked="checked"'; - } - return ''; - } + return $CI->form_validation->set_checkbox($field, $value, $default); + } - $field = $_POST[$field]; + // Form inputs are always strings ... + $value = (string) $value; + $input = $CI->input->post($field, FALSE); - if (is_array($field)) - { - if ( ! in_array($value, $field)) - { - return ''; - } - } - else + if (is_array($input)) + { + // Note: in_array('', array(0)) returns TRUE, do not use it + foreach ($input as &$v) { - if (($field == '' OR $value == '') OR ($field != $value)) + if ($value === $v) { - return ''; + return ' checked="checked"'; } } - return ' checked="checked"'; + return ''; + } + + // Unchecked checkbox and radio inputs are not even submitted by browsers ... + if ($CI->input->method() === 'post') + { + return ($input === $value) ? ' checked="checked"' : ''; } - return $OBJ->set_checkbox($field, $value, $default); + return ($default === TRUE) ? ' checked="checked"' : ''; } } // ------------------------------------------------------------------------ -/** - * 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) + /** + * 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 + * + * @param string $field + * @param string $value + * @param bool $default + * @return string + */ + function set_radio($field, $value = '', $default = FALSE) { - $OBJ =& _get_validation_object(); + $CI =& get_instance(); - if ($OBJ === FALSE) + if (isset($CI->form_validation) && is_object($CI->form_validation) && $CI->form_validation->has_rule($field)) { - if ( ! isset($_POST[$field])) - { - if (count($_POST) === 0 AND $default == TRUE) - { - return ' checked="checked"'; - } - return ''; - } + return $CI->form_validation->set_radio($field, $value, $default); + } - $field = $_POST[$field]; + // Form inputs are always strings ... + $value = (string) $value; + $input = $CI->input->post($field, FALSE); - if (is_array($field)) - { - if ( ! in_array($value, $field)) - { - return ''; - } - } - else + if (is_array($input)) + { + // Note: in_array('', array(0)) returns TRUE, do not use it + foreach ($input as &$v) { - if (($field == '' OR $value == '') OR ($field != $value)) + if ($value === $v) { - return ''; + return ' checked="checked"'; } } - return ' checked="checked"'; + return ''; + } + + // Unchecked checkbox and radio inputs are not even submitted by browsers ... + if ($CI->input->method() === 'post') + { + return ($input === $value) ? ' checked="checked"' : ''; } - return $OBJ->set_radio($field, $value, $default); + return ($default === TRUE) ? ' checked="checked"' : ''; } } // ------------------------------------------------------------------------ -/** - * 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')) { + /** + * Form Error + * + * Returns the error for a specific form field. This is a helper for the + * form validation class. + * + * @param string + * @param string + * @param string + * @return string + */ function form_error($field = '', $prefix = '', $suffix = '') { if (FALSE === ($OBJ =& _get_validation_object())) @@ -882,19 +901,18 @@ if ( ! function_exists('form_error')) // ------------------------------------------------------------------------ -/** - * 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')) { + /** + * Validation Error String + * + * Returns all the errors associated with a form submission. This is a helper + * function for the form validation class. + * + * @param string + * @param string + * @return string + */ function validation_errors($prefix = '', $suffix = '') { if (FALSE === ($OBJ =& _get_validation_object())) @@ -908,18 +926,17 @@ if ( ! function_exists('validation_errors')) // ------------------------------------------------------------------------ -/** - * 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')) { + /** + * Parse the form attributes + * + * Helper function used by some of the form helpers + * + * @param array $attributes List of attributes + * @param array $default Default values + * @return string + */ function _parse_form_attributes($attributes, $default) { if (is_array($attributes)) @@ -943,12 +960,16 @@ if ( ! function_exists('_parse_form_attributes')) foreach ($default as $key => $val) { - if ($key == 'value') + if ($key === 'value') { - $val = form_prep($val, $default['name']); + $val = html_escape($val); + } + elseif ($key === 'name' && ! strlen($default['name'])) + { + continue; } - $att .= $key . '="' . $val . '" '; + $att .= $key.'="'.$val.'" '; } return $att; @@ -957,54 +978,32 @@ if ( ! function_exists('_parse_form_attributes')) // ------------------------------------------------------------------------ -/** - * Attributes To String - * - * Helper function used by some of the form helpers - * - * @access private - * @param mixed - * @param bool - * @return string - */ if ( ! function_exists('_attributes_to_string')) { - function _attributes_to_string($attributes, $formtag = FALSE) + /** + * Attributes To String + * + * Helper function used by some of the form helpers + * + * @param mixed + * @return string + */ + function _attributes_to_string($attributes) { - if (is_string($attributes) AND strlen($attributes) > 0) + if (empty($attributes)) { - if ($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; + return ''; } - if (is_object($attributes) AND count($attributes) > 0) + if (is_object($attributes)) { - $attributes = (array)$attributes; + $attributes = (array) $attributes; } - if (is_array($attributes) AND count($attributes) > 0) + if (is_array($attributes)) { $atts = ''; - if ( ! isset($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.'"'; @@ -1012,43 +1011,45 @@ if ( ! function_exists('_attributes_to_string')) return $atts; } + + if (is_string($attributes)) + { + return ' '.$attributes; + } + + return FALSE; } } // ------------------------------------------------------------------------ -/** - * 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')) { + /** + * Validation Object + * + * Determines what the form validation class was instantiated as, fetches + * the object and returns it. + * + * @return mixed + */ function &_get_validation_object() { $CI =& get_instance(); // We set this as a variable since we're returning by reference. $return = FALSE; - - if (FALSE !== ($object = $CI->load->is_loaded('form_validation'))) + + if (FALSE !== ($object = $CI->load->is_loaded('Form_validation'))) { if ( ! isset($CI->$object) OR ! is_object($CI->$object)) { return $return; } - + return $CI->$object; } - + return $return; } } - - -/* End of file form_helper.php */ -/* Location: ./system/helpers/form_helper.php */ |