config->site_url($CI->uri->uri_string());
}
// If an action is not a full URL then turn it into one
elseif (strpos($action, '://') === false) {
$action = $CI->config->site_url($action);
}
$attributes = _attributes_to_string($attributes);
if (stripos($attributes, 'method=') === false) {
$attributes .= ' method="post"';
}
if (stripos($attributes, 'accept-charset=') === false) {
$attributes .= ' accept-charset="' . strtolower(config_item('charset')) . '"';
}
$form = '' . $extra;
}
}
// ------------------------------------------------------------------------
if (! function_exists('form_prep')) {
/**
* 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)
{
return html_escape($str, true);
}
}
// ------------------------------------------------------------------------
if (! function_exists('set_value')) {
/**
* 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)
{
$CI = & get_instance();
$value = (isset($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);
isset($value) or $value = $default;
return ($html_escape) ? html_escape($value) : $value;
}
}
// ------------------------------------------------------------------------
if (! function_exists('set_select')) {
/**
* Set Select
*
* Let's you set the selected value of a menu via data in the POST array.
* If Form Validation is active it retrieves the info from the validation class
*
* @param string
* @param string
* @param bool
* @return string
*/
function set_select($field, $value = '', $default = false)
{
$CI = & get_instance();
if (isset($CI->form_validation) && is_object($CI->form_validation) && $CI->form_validation->has_rule($field)) {
return $CI->form_validation->set_select($field, $value, $default);
} elseif (($input = $CI->input->post($field, false)) === null) {
return ($default === true) ? ' selected="selected"' : '';
}
$value = (string) $value;
if (is_array($input)) {
// Note: in_array('', array(0)) returns TRUE, do not use it
foreach ($input as &$v) {
if ($value === $v) {
return ' selected="selected"';
}
}
return '';
}
return ($input === $value) ? ' selected="selected"' : '';
}
}
// ------------------------------------------------------------------------
if (! function_exists('set_checkbox')) {
/**
* Set Checkbox
*
* Let's you set the selected value of a checkbox via the value in the POST array.
* If Form Validation is active it retrieves the info from the validation class
*
* @param string
* @param string
* @param bool
* @return string
*/
function set_checkbox($field, $value = '', $default = false)
{
$CI = & get_instance();
if (isset($CI->form_validation) && is_object($CI->form_validation) && $CI->form_validation->has_rule($field)) {
return $CI->form_validation->set_checkbox($field, $value, $default);
}
// Form inputs are always strings ...
$value = (string) $value;
$input = $CI->input->post($field, false);
if (is_array($input)) {
// Note: in_array('', array(0)) returns TRUE, do not use it
foreach ($input as &$v) {
if ($value === $v) {
return ' checked="checked"';
}
}
return '';
}
// Unchecked checkbox and radio inputs are not even submitted by browsers ...
if ($CI->input->method() === 'post') {
return ($input === $value) ? ' checked="checked"' : '';
}
return ($default === true) ? ' checked="checked"' : '';
}
}
// ------------------------------------------------------------------------
if (! function_exists('set_radio')) {
/**
* 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)
{
$CI = & get_instance();
if (isset($CI->form_validation) && is_object($CI->form_validation) && $CI->form_validation->has_rule($field)) {
return $CI->form_validation->set_radio($field, $value, $default);
}
// Form inputs are always strings ...
$value = (string) $value;
$input = $CI->input->post($field, false);
if (is_array($input)) {
// Note: in_array('', array(0)) returns TRUE, do not use it
foreach ($input as &$v) {
if ($value === $v) {
return ' checked="checked"';
}
}
return '';
}
// Unchecked checkbox and radio inputs are not even submitted by browsers ...
if ($CI->input->method() === 'post') {
return ($input === $value) ? ' checked="checked"' : '';
}
return ($default === true) ? ' checked="checked"' : '';
}
}
// ------------------------------------------------------------------------
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())) {
return '';
}
return $OBJ->error($field, $prefix, $suffix);
}
}
// ------------------------------------------------------------------------
if (! function_exists('validation_errors')) {
/**
* Validation Error String
*
* Returns all the errors associated with a form submission. This is a helper
* function for the form validation class.
*
* @param string
* @param string
* @return string
*/
function validation_errors($prefix = '', $suffix = '')
{
if (false === ($OBJ = & _get_validation_object())) {
return '';
}
return $OBJ->error_string($prefix, $suffix);
}
}
// ------------------------------------------------------------------------
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)) {
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') {
$val = html_escape($val);
} elseif ($key === 'name' && ! strlen($default['name'])) {
continue;
}
$att .= $key . '="' . $val . '" ';
}
return $att;
}
}
// ------------------------------------------------------------------------
if (! function_exists('_attributes_to_string')) {
/**
* Attributes To String
*
* Helper function used by some of the form helpers
*
* @param mixed
* @return string
*/
function _attributes_to_string($attributes)
{
if (empty($attributes)) {
return '';
}
if (is_object($attributes)) {
$attributes = (array) $attributes;
}
if (is_array($attributes)) {
$atts = '';
foreach ($attributes as $key => $val) {
$atts .= ' ' . $key . '="' . $val . '"';
}
return $atts;
}
if (is_string($attributes)) {
return ' ' . $attributes;
}
return false;
}
}
// ------------------------------------------------------------------------
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 = $CI->load->is_loaded('Form_validation'))) {
if (! isset($CI->$object) or ! is_object($CI->$object)) {
return $return;
}
return $CI->$object;
}
return $return;
}
}