unset the value attribute in textarea
diff --git a/system/helpers/form_helper.php b/system/helpers/form_helper.php
index 7d594d7..8186d4c 100644
--- a/system/helpers/form_helper.php
+++ b/system/helpers/form_helper.php
@@ -1,403 +1,405 @@
-<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
-/**
- * Code Igniter
- *
- * An open source application development framework for PHP 4.3.2 or newer
- *
- * @package CodeIgniter
- * @author Rick Ellis
- * @copyright Copyright (c) 2006, pMachine, Inc.
- * @license http://www.codeignitor.com/user_guide/license.html
- * @link http://www.codeigniter.com
- * @since Version 1.0
- * @filesource
- */
-
-// ------------------------------------------------------------------------
-
-/**
- * Code Igniter Form Helpers
- *
- * @package CodeIgniter
- * @subpackage Helpers
- * @category Helpers
- * @author Rick Ellis
- * @link http://www.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
- */
-function form_open($action = '', $attributes = array(), $hidden = array())
-{
- $CI =& get_instance();
-
- $form = '<form action="'.$CI->config->site_url($action).'"';
-
- if ( ! isset($attributes['method']))
- {
- $form .= ' method="post"';
- }
-
- if (is_array($attributes) AND count($attributes) > 0)
- {
- foreach ($attributes as $key => $val)
- {
- $form .= ' '.$key.'="'.$val.'"';
- }
- }
-
- $form .= '>';
-
- if (is_array($hidden) AND count($hidden > 0))
- {
- $form .= form_hidden($hidden);
- }
-
- return $form;
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Form Declaration - Multipart type
- *
- * Creates the opening portion of the form, but with "multipart/form-data".
- *
- * @access public
- * @param string the URI segments of the form destination
- * @param array a key/value pair of attributes
- * @param array a key/value pair hidden data
- * @return string
- */
-function form_open_multipart($action, $attributes = array(), $hidden = array())
-{
- $attributes['enctype'] = 'multipart/form-data';
- return form_open($action, $attributes, $hidden);
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Hidden Input Field
- *
- * Generates hidden fields. You can pass a simple key/value string or an associative
- * array with multiple values.
- *
- * @access public
- * @param mixed
- * @param string
- * @return string
- */
-function form_hidden($name, $value = '')
-{
- if ( ! is_array($name))
- {
- return '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
- }
-
- $form = '';
- foreach ($name as $name => $value)
- {
- $form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
- }
-
- return $form;
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Text Input Field
- *
- * @access public
- * @param mixed
- * @param string
- * @param string
- * @return string
- */
-function form_input($data = '', $value = '', $extra = '')
-{
- $defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value, 'maxlength' => '500', 'size' => '50');
-
- return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Password Field
- *
- * Identical to the input function but adds the "password" type
- *
- * @access public
- * @param mixed
- * @param string
- * @param string
- * @return string
- */
-function form_password($data = '', $value = '', $extra = '')
-{
- if ( ! is_array($data))
- {
- $data = array('name' => $data);
- }
-
- $data['type'] = 'password';
- return form_input($data, $value, $extra);
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Upload Field
- *
- * Identical to the input function but adds the "file" type
- *
- * @access public
- * @param mixed
- * @param string
- * @param string
- * @return string
- */
-function form_upload($data = '', $value = '', $extra = '')
-{
- if ( ! is_array($data))
- {
- $data = array('name' => $data);
- }
-
- $data['type'] = 'file';
- return form_input($data, $value, $extra);
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Textarea field
- *
- * @access public
- * @param mixed
- * @param string
- * @param string
- * @return string
- */
-function form_textarea($data = '', $value = '', $extra = '')
-{
- $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');
-
- $val = (( ! is_array($data) OR ! isset($data['value'])) ? $value : $data['value']);
-
- return "<textarea ".parse_form_attributes($data, $defaults).$extra.">".$val."</textarea>\n";
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Drop-down Menu
- *
- * @access public
- * @param string
- * @param array
- * @param string
- * @param string
- * @return string
- */
-function form_dropdown($name = '', $options = array(), $selected = '', $extra = '')
-{
- if ($extra != '') $extra = ' '.$extra;
-
- $form = '<select name="'.$name.'"'.$extra.">\n";
-
- foreach ($options as $key => $val)
- {
- $sel = ($selected != $key) ? '' : ' selected="selected"';
-
- $form .= '<option value="'.$key.'"'.$sel.'>'.$val."</option>\n";
- }
-
- $form .= '</select>';
-
- return $form;
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Checkbox Field
- *
- * @access public
- * @param mixed
- * @param string
- * @param bool
- * @param string
- * @return string
- */
-function form_checkbox($data = '', $value = '', $checked = TRUE, $extra = '')
-{
- $defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
-
- if (is_array($data) AND array_key_exists('checked', $data))
- {
- $checked = $data['checked'];
-
- if ($checked == FALSE)
- unset($data['checked']);
- }
-
- if ($checked == TRUE)
- $defaults['checked'] = 'checked';
- else
- unset($defaults['checked']);
-
- return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Radio Button
- *
- * @access public
- * @param mixed
- * @param string
- * @param bool
- * @param string
- * @return string
- */
-function form_radio($data = '', $value = '', $checked = TRUE, $extra = '')
-{
- if ( ! is_array($data))
- {
- $data = array('name' => $data);
- }
-
- $data['type'] = 'radio';
- return form_checkbox($data, $value, $checked, $extra);
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Submit Button
- *
- * @access public
- * @param mixed
- * @param string
- * @param string
- * @return string
- */
-function form_submit($data = '', $value = '', $extra = '')
-{
- $defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
-
- return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Form Close Tag
- *
- * @access public
- * @param string
- * @return string
- */
-function form_close($extra = '')
-{
- return "</form>\n".$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
- */
-function form_prep($str = '')
-{
- if ($str === '')
- {
- return '';
- }
-
- $temp = '__TEMP_AMPERSANDS__';
-
- // Replace entities to temporary markers so that
- // htmlspecialchars won't mess them up
- $str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
- $str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
-
- $str = htmlspecialchars($str);
-
- // In case htmlspecialchars misses these.
- $str = str_replace(array("'", '"'), array("'", """), $str);
-
- // Decode the temp markers back to entities
- $str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
- $str = preg_replace("/$temp(\w+);/","&\\1;",$str);
-
- return $str;
-}
-
-// ------------------------------------------------------------------------
-
-/**
- * Parse the form attributes
- *
- * Helper function used by some of the form helpers
- *
- * @access private
- * @param array
- * @param array
- * @return string
- */
-function parse_form_attributes($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);
- }
-
- $att .= $key . '="' . $val . '" ';
- }
-
- return $att;
-}
-
+<?php if (!defined('BASEPATH')) exit('No direct script access allowed');
+/**
+ * Code Igniter
+ *
+ * An open source application development framework for PHP 4.3.2 or newer
+ *
+ * @package CodeIgniter
+ * @author Rick Ellis
+ * @copyright Copyright (c) 2006, pMachine, Inc.
+ * @license http://www.codeignitor.com/user_guide/license.html
+ * @link http://www.codeigniter.com
+ * @since Version 1.0
+ * @filesource
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Code Igniter Form Helpers
+ *
+ * @package CodeIgniter
+ * @subpackage Helpers
+ * @category Helpers
+ * @author Rick Ellis
+ * @link http://www.codeigniter.com/user_guide/helpers/form_helper.html
+ */
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Declaration
+ *
+ * Creates the opening portion of the form.
+ *
+ * @access public
+ * @param string the URI segments of the form destination
+ * @param array a key/value pair of attributes
+ * @param array a key/value pair hidden data
+ * @return string
+ */
+function form_open($action = '', $attributes = array(), $hidden = array())
+{
+ $CI =& get_instance();
+
+ $form = '<form action="'.$CI->config->site_url($action).'"';
+
+ if ( ! isset($attributes['method']))
+ {
+ $form .= ' method="post"';
+ }
+
+ if (is_array($attributes) AND count($attributes) > 0)
+ {
+ foreach ($attributes as $key => $val)
+ {
+ $form .= ' '.$key.'="'.$val.'"';
+ }
+ }
+
+ $form .= '>';
+
+ if (is_array($hidden) AND count($hidden > 0))
+ {
+ $form .= form_hidden($hidden);
+ }
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Declaration - Multipart type
+ *
+ * Creates the opening portion of the form, but with "multipart/form-data".
+ *
+ * @access public
+ * @param string the URI segments of the form destination
+ * @param array a key/value pair of attributes
+ * @param array a key/value pair hidden data
+ * @return string
+ */
+function form_open_multipart($action, $attributes = array(), $hidden = array())
+{
+ $attributes['enctype'] = 'multipart/form-data';
+ return form_open($action, $attributes, $hidden);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Hidden Input Field
+ *
+ * Generates hidden fields. You can pass a simple key/value string or an associative
+ * array with multiple values.
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @return string
+ */
+function form_hidden($name, $value = '')
+{
+ if ( ! is_array($name))
+ {
+ return '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
+ }
+
+ $form = '';
+ foreach ($name as $name => $value)
+ {
+ $form .= '<input type="hidden" name="'.$name.'" value="'.form_prep($value).'" />';
+ }
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Text Input Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_input($data = '', $value = '', $extra = '')
+{
+ $defaults = array('type' => 'text', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value, 'maxlength' => '500', 'size' => '50');
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Password Field
+ *
+ * Identical to the input function but adds the "password" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_password($data = '', $value = '', $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'password';
+ return form_input($data, $value, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Upload Field
+ *
+ * Identical to the input function but adds the "file" type
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_upload($data = '', $value = '', $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'file';
+ return form_input($data, $value, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Textarea field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_textarea($data = '', $value = '', $extra = '')
+{
+ $defaults = array('name' => (( ! is_array($data)) ? $data : ''), 'cols' => '90', 'rows' => '12');
+
+ $val = (( ! is_array($data) OR ! isset($data['value'])) ? $value : $data['value']);
+
+ unset ($data['value']); // textareas don't use the value attribute
+
+ return "<textarea ".parse_form_attributes($data, $defaults).$extra.">".$val."</textarea>\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Drop-down Menu
+ *
+ * @access public
+ * @param string
+ * @param array
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_dropdown($name = '', $options = array(), $selected = '', $extra = '')
+{
+ if ($extra != '') $extra = ' '.$extra;
+
+ $form = '<select name="'.$name.'"'.$extra.">\n";
+
+ foreach ($options as $key => $val)
+ {
+ $sel = ($selected != $key) ? '' : ' selected="selected"';
+
+ $form .= '<option value="'.$key.'"'.$sel.'>'.$val."</option>\n";
+ }
+
+ $form .= '</select>';
+
+ return $form;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Checkbox Field
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+function form_checkbox($data = '', $value = '', $checked = TRUE, $extra = '')
+{
+ $defaults = array('type' => 'checkbox', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ if (is_array($data) AND array_key_exists('checked', $data))
+ {
+ $checked = $data['checked'];
+
+ if ($checked == FALSE)
+ unset($data['checked']);
+ }
+
+ if ($checked == TRUE)
+ $defaults['checked'] = 'checked';
+ else
+ unset($defaults['checked']);
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Radio Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param bool
+ * @param string
+ * @return string
+ */
+function form_radio($data = '', $value = '', $checked = TRUE, $extra = '')
+{
+ if ( ! is_array($data))
+ {
+ $data = array('name' => $data);
+ }
+
+ $data['type'] = 'radio';
+ return form_checkbox($data, $value, $checked, $extra);
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Submit Button
+ *
+ * @access public
+ * @param mixed
+ * @param string
+ * @param string
+ * @return string
+ */
+function form_submit($data = '', $value = '', $extra = '')
+{
+ $defaults = array('type' => 'submit', 'name' => (( ! is_array($data)) ? $data : ''), 'value' => $value);
+
+ return "<input ".parse_form_attributes($data, $defaults).$extra." />\n";
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Form Close Tag
+ *
+ * @access public
+ * @param string
+ * @return string
+ */
+function form_close($extra = '')
+{
+ return "</form>\n".$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
+ */
+function form_prep($str = '')
+{
+ if ($str === '')
+ {
+ return '';
+ }
+
+ $temp = '__TEMP_AMPERSANDS__';
+
+ // Replace entities to temporary markers so that
+ // htmlspecialchars won't mess them up
+ $str = preg_replace("/&#(\d+);/", "$temp\\1;", $str);
+ $str = preg_replace("/&(\w+);/", "$temp\\1;", $str);
+
+ $str = htmlspecialchars($str);
+
+ // In case htmlspecialchars misses these.
+ $str = str_replace(array("'", '"'), array("'", """), $str);
+
+ // Decode the temp markers back to entities
+ $str = preg_replace("/$temp(\d+);/","&#\\1;",$str);
+ $str = preg_replace("/$temp(\w+);/","&\\1;",$str);
+
+ return $str;
+}
+
+// ------------------------------------------------------------------------
+
+/**
+ * Parse the form attributes
+ *
+ * Helper function used by some of the form helpers
+ *
+ * @access private
+ * @param array
+ * @param array
+ * @return string
+ */
+function parse_form_attributes($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);
+ }
+
+ $att .= $key . '="' . $val . '" ';
+ }
+
+ return $att;
+}
+
?>
\ No newline at end of file