/**
* validate the form
*
* @param string $formvars the array of submitted for variables
* @param string $form the name of the form being validated
*/
function is_valid(&$formvars, $form = SMARTY_VALIDATE_DEFAULT_FORM) {
static $_is_valid = array();
if(isset($_is_valid[$form])) {
// already validated the form
return $_is_valid[$form];
}
$_smarty_obj =& SmartyValidate::_object_instance('Smarty', $_dummy);
if(!SmartyValidate::is_valid_smarty_object($_smarty_obj)) {
trigger_error("SmartyValidate: [is_valid] No valid smarty object, call connect() first.");
return false;
}
if(!SmartyValidate::is_registered_form($form)) {
trigger_error("SmartyValidate: [is_valid] form '$form' is not registered.");
return false;
} elseif ($_SESSION['SmartyValidate'][$form]['is_init']) {
// first run, skip validation
return false;
} elseif (count($_SESSION['SmartyValidate'][$form]['validators']) == 0) {
// nothing to validate
return true;
}
// check for failed fields
$_failed_fields = SmartyValidate::_failed_fields($formvars, $form);
$_ret = is_array($_failed_fields) && count($_failed_fields) == 0;
// set validation state of form
$_SESSION['SmartyValidate'][$form]['is_error'] = !$_ret;
$_is_valid[$form] = $_ret;
return $_ret;
}
/**
* validate the form
*
* @param string $formvars the array of submitted for variables
* @param string $form the name of the form being validated
*/
function is_valid(&$formvars, $form = 'default')
{
$_smarty_obj =& SmartyValidate::_object_instance('Smarty', $_dummy);
if (!SmartyValidate::is_valid_smarty_object($_smarty_obj)) {
trigger_error("SmartyValidate: [is_valid] No valid smarty object, call connect() first.");
return false;
}
if (!SmartyValidate::is_registered_form($form)) {
trigger_error("SmartyValidate: [is_valid] form '{$form}' is not registered.");
return false;
} elseif ($_SESSION['SmartyValidate'][$form]['is_init']) {
// first run, skip validation
return false;
}
// keep track of failed fields for current pass
static $_failed_fields = array();
$_ret = true;
$_sess =& $_SESSION['SmartyValidate'][$form]['validators'];
$_smarty_assign_fields = array();
foreach ($_sess as $_key => $_val) {
if (isset($_SESSION['SmartyValidate'][$form]['page']) && $_sess[$_key]['page'] != $_SESSION['SmartyValidate'][$form]['page']) {
// not on page, do not validate
continue;
}
$_field = $_sess[$_key]['field'];
$_field_key = null;
$_empty = isset($_sess[$_key]['empty']) ? $_sess[$_key]['empty'] : false;
$_assign = isset($_sess[$_key]['assign']) ? $_sess[$_key]['assign'] : null;
$_append = isset($_sess[$_key]['append']) ? $_sess[$_key]['append'] : null;
$_message = isset($_sess[$_key]['message']) ? $_sess[$_key]['message'] : null;
// field is name-keyed array, pull it apart
if (($_lpos = strpos($_field, '[')) !== false && ($_rpos = strpos($_field, ']')) !== false) {
if (($_keylen = $_rpos - $_lpos - 1) > 0) {
$_field_key = substr($_field, $_lpos + 1, $_keylen);
}
$_field = substr($_field, 0, $_lpos);
}
if (in_array($_field, $_failed_fields)) {
// already failed, skip this test
continue;
}
if (isset($_sess[$_key]['transform'])) {
$_trans_names = preg_split('![\\s,]+!', $_sess[$_key]['transform'], -1, PREG_SPLIT_NO_EMPTY);
if ($_sess[$_key]['trim']) {
// put trim on front of transform array
array_unshift($_trans_names, 'trim');
}
foreach ($_trans_names as $_trans_name) {
if (substr($_trans_name, 0, 1) == '@') {
// transformation will apply to entire array
$_trans_on_array = true;
$_trans_name = substr($_trans_name, 1);
} else {
// transformation will apply to each array element
$_trans_on_array = false;
}
if (is_array($formvars[$_field]) && !$_trans_on_array) {
if ($_field_key) {
// only apply to given key
if (($_new_val = SmartyValidate::_execute_transform($_trans_name, $formvars[$_field][$_field_key], $_sess[$_key], $formvars, $form)) !== false) {
$formvars[$_field][$_field_key] = $_new_val;
}
} else {
// apply to all keys
for ($_x = 0, $_y = count($formvars[$_field]); $_x < $_y; $_x++) {
if (($_new_val = SmartyValidate::_execute_transform($_trans_name, $formvars[$_field][$_x], $_sess[$_key], $formvars, $form)) !== false) {
$formvars[$_field][$_x] = $_new_val;
}
}
}
} else {
if (($_new_val = SmartyValidate::_execute_transform($_trans_name, $formvars[$_field], $_sess[$_key], $formvars, $form)) !== false) {
$formvars[$_field] = $_new_val;
}
}
}
}
if (!isset($formvars[$_field]) && !isset($_FILES[$_field]) || (is_array($formvars[$_field]) && count($_field) == 0 || is_string($formvars[$_field]) && strlen($formvars[$_field]) == 0) && $_empty) {
// field must exist, or else fails automatically
$_sess[$_key]['valid'] = $_empty;
$_ret = !$_ret ? false : $_empty;
} else {
if (substr($_val['criteria'], 0, 1) == '@') {
// criteria will apply to entire array or given key
$_criteria_on_array = true;
$_val['criteria'] = substr($_val['criteria'], 1);
} else {
// criteria will apply to each array element
$_criteria_on_array = false;
}
if (is_array($formvars[$_field]) && !$_criteria_on_array) {
if ($_field_key) {
// only apply to given key
$_sess[$_key]['valid'] = SmartyValidate::_is_valid_criteria($_val['criteria'], $formvars[$_field][$_field_key], $_empty, $_sess[$_key], $formvars, $form);
} else {
// apply to all keys
for ($_x = 0, $_y = count($formvars[$_field]); $_x < $_y; $_x++) {
if (!($_sess[$_key]['valid'] = SmartyValidate::_is_valid_criteria($_val['criteria'], $formvars[$_field][$_x], $_empty, $_sess[$_key], $formvars, $form))) {
// found invalid array element, exit for loop
break;
}
}
}
} else {
$_sess[$_key]['valid'] = SmartyValidate::_is_valid_criteria($_val['criteria'], $formvars[$_field], $_empty, $_sess[$_key], $formvars, $form);
}
}
if (!$_sess[$_key]['valid']) {
$_failed_fields[] = $_field;
if (isset($_append)) {
$_smarty_assign_fields[$_append][$_field] = $_message;
}
if (isset($_assign)) {
$_smarty_assign_fields[$_assign] = $_message;
}
$_ret = false;
if (isset($_sess[$_key]['halt']) && $_sess[$_key]['halt']) {
break;
}
}
}
// set validation state of form
$_SESSION['SmartyValidate'][$form]['is_error'] = !$_ret;
SmartyValidate::_smarty_assign($_smarty_assign_fields);
return $_ret;
}
