private function validate(&$form, $field_values)
{
$form = apply_filters('gform_pre_validation', $form);
foreach ($form["fields"] as &$field) {
/*
* Skip over the following fields as we aren't processing any of them
*/
$skip_field = false;
switch (RGFormsModel::get_input_type($field)) {
case "captcha":
case "html":
case "password":
case "product":
case "coupon":
case "quantity":
case "shipping":
case "donation":
case "total":
case "singleproduct":
case "hiddenproduct":
case "singleshipping":
case "creditcard":
case "page":
case "post_image":
case "fileupload":
//ignore certain fields
$skip_field = true;
break;
}
if (isset($field['productField']) && (int) $field['productField'] > 0 || $field['type'] == 'shipping') {
$skip_field = true;
}
/* ignore validation if field is hidden or admin only */
if (RGFormsModel::is_field_hidden($form, $field, $field_values) || isset($field['adminOnly']) && $field['adminOnly']) {
$skip_field = true;
}
/* ignore user-defined restricted fields or hidden fields */
if (in_array($field['id'], $this->atts['restricted_fields']) || in_array($field['id'], $this->atts['hidden_fields'])) {
$skip_field = true;
}
if ($skip_field) {
continue;
}
$value = RGFormsModel::get_field_value($field);
//display error message if field is marked as required and the submitted value is empty
if ($field["isRequired"] && GFFormDisplay::is_empty($field, $form["id"])) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("This field is required.", "gravityforms") : $field["errorMessage"];
} else {
if ($field["noDuplicates"] && RGFormsModel::is_duplicate($form["id"], $field, $value)) {
$field["failed_validation"] = true;
$input_type = RGFormsModel::get_input_type($field);
switch ($input_type) {
case "date":
$default_message = __("This date has already been taken. Please select a new date.", "gravityforms");
break;
default:
$default_message = is_array($value) ? __("This field requires a unique entry and the values you entered have been already been used.", "gravityforms") : sprintf(__("This field requires a unique entry and '%s' has already been used", "gravityforms"), $value);
break;
}
$field["validation_message"] = apply_filters("gform_duplicate_message_{$form["id"]}", apply_filters("gform_duplicate_message", $default_message, $form, $field, $value), $form, $field, $value);
} else {
if (GFFormDisplay::failed_state_validation($form["id"], $field, $value)) {
$field["failed_validation"] = true;
$field["validation_message"] = in_array($field["inputType"], array("singleproduct", "singleshipping", "hiddenproduct")) ? __("Please enter a valid value.", "gravityforms") : __("Invalid selection. Please select one of the available choices.", "gravityforms");
} else {
switch (RGFormsModel::get_input_type($field)) {
case "name":
if ($field["isRequired"] && $field["nameFormat"] != "simple") {
$first = $_POST["input_" . $field["id"] . "_3"];
$last = $_POST["input_" . $field["id"] . "_6"];
if (empty($first) || empty($last)) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("This field is required. Please enter the first and last name.", "gravityforms") : $field["errorMessage"];
}
}
break;
case "address":
if ($field["isRequired"]) {
$street = $_POST["input_" . $field["id"] . "_1"];
$city = $_POST["input_" . $field["id"] . "_3"];
$state = $_POST["input_" . $field["id"] . "_4"];
$zip = $_POST["input_" . $field["id"] . "_5"];
$country = $_POST["input_" . $field["id"] . "_6"];
if (empty($street) || empty($city) || empty($zip) || empty($state) && !$field["hideState"] || empty($country) && !$field["hideCountry"]) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("This field is required. Please enter a complete address.", "gravityforms") : $field["errorMessage"];
}
}
break;
case "email":
if (!rgblank($value) && !GFCommon::is_valid_email($value)) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("Please enter a valid email address.", "gravityforms") : $field["errorMessage"];
} else {
if (rgget("emailConfirmEnabled", $field) && !empty($value)) {
$confirm = rgpost("input_" . $field["id"] . "_2");
if ($confirm != $value) {
$field["failed_validation"] = true;
$field["validation_message"] = __("Your emails do not match.", "gravityforms");
}
}
}
break;
case "price":
if (!class_exists("RGCurrency")) {
require_once "currency.php";
}
$donation = GFCommon::to_number($value);
if (!rgblank($value) && ($donation === false || $donation < 0)) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("Please enter a valid amount.", "gravityforms") : $field["errorMessage"];
}
break;
case "number":
// the POST value has already been converted from currency or decimal_comma to decimal_dot and then cleaned in get_field_value()
$value = GFCommon::maybe_add_leading_zero($value);
$raw_value = $_POST["input_" . $field["id"]];
//Raw value will be tested against the is_numeric() function to make sure it is in the right format.
$requires_valid_number = !rgblank($raw_value) && !GFCommon::has_field_calculation($field);
$is_valid_number = self::validate_range($field, $value) && GFCommon::is_numeric($raw_value, $field["numberFormat"]);
if ($requires_valid_number && !$is_valid_number) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? GFCommon::get_range_message($field) : $field["errorMessage"];
} else {
if ($field['type'] == 'quantity') {
if (intval($value) != $value) {
$field['failed_validation'] = true;
$field['validation_message'] = empty($field['errorMessage']) ? __('Please enter a valid quantity. Quantity cannot contain decimals.', 'gravityforms') : $field['errorMessage'];
} else {
if (!empty($value) && (!is_numeric($value) || intval($value) != floatval($value) || intval($value) < 0)) {
$field['failed_validation'] = true;
$field['validation_message'] = empty($field['errorMessage']) ? __('Please enter a valid quantity', 'gravityforms') : $field['errorMessage'];
}
}
}
}
break;
case "phone":
$regex = '/^\\D?(\\d{3})\\D?\\D?(\\d{3})\\D?(\\d{4})$/';
if ($field["phoneFormat"] == "standard" && $value !== "" && $value !== 0 && !preg_match($regex, $value)) {
$field["failed_validation"] = true;
if (!empty($field["errorMessage"])) {
$field["validation_message"] = $field["errorMessage"];
}
}
break;
case "date":
if (is_array($value) && rgempty(0, $value) && rgempty(1, $value) && rgempty(2, $value)) {
$value = null;
}
if (!empty($value)) {
$format = empty($field["dateFormat"]) ? "mdy" : $field["dateFormat"];
$date = GFCommon::parse_date($value, $format);
if (empty($date) || !GFFormDisplay::checkdate($date["month"], $date["day"], $date["year"])) {
$field["failed_validation"] = true;
$format_name = "";
switch ($format) {
case "mdy":
$format_name = "mm/dd/yyyy";
break;
case "dmy":
$format_name = "dd/mm/yyyy";
break;
case "dmy_dash":
$format_name = "dd-mm-yyyy";
break;
case "dmy_dot":
$format_name = "dd.mm.yyyy";
break;
case "ymd_slash":
$format_name = "yyyy/mm/dd";
break;
case "ymd_dash":
$format_name = "yyyy-mm-dd";
break;
case "ymd_dot":
$format_name = "yyyy.mm.dd";
break;
}
$message = $field["dateType"] == "datepicker" ? sprintf(__("Please enter a valid date in the format (%s).", "gravityforms"), $format_name) : __("Please enter a valid date.", "gravityforms");
$field["validation_message"] = empty($field["errorMessage"]) ? $message : $field["errorMessage"];
}
}
break;
case "time":
//create variable values if time came in one field
if (!is_array($value) && !empty($value)) {
preg_match('/^(\\d*):(\\d*) ?(.*)$/', $value, $matches);
$value = array();
$value[0] = $matches[1];
$value[1] = $matches[2];
}
$hour = $value[0];
$minute = $value[1];
if (empty($hour) && empty($minute)) {
break;
}
$is_valid_format = is_numeric($hour) && is_numeric($minute);
$min_hour = rgar($field, "timeFormat") == "24" ? 0 : 1;
$max_hour = rgar($field, "timeFormat") == "24" ? 23 : 12;
if (!$is_valid_format || $hour < $min_hour || $hour > $max_hour || $minute < 0 || $minute >= 60) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("Please enter a valid time.", "gravityforms") : $field["errorMessage"];
}
break;
case "website":
if (empty($value) || $value == "http://") {
$value = "";
if ($field["isRequired"]) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("This field is required.", "gravityforms") : $field["errorMessage"];
}
}
if (!empty($value) && !GFCommon::is_valid_url($value)) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("Please enter a valid Website URL (i.e. http://www.gravityforms.com).", "gravityforms") : $field["errorMessage"];
}
break;
case "calculation":
$quantity_id = $field["id"] . ".3";
$quantity = rgget($quantity_id, $value);
if ($field["isRequired"] && rgblank($quantity) && !rgar($field, "disableQuantity")) {
$field["failed_validation"] = true;
$field["validation_message"] = rgempty("errorMessage", $field) ? __("This field is required.", "gravityforms") : rgar($field, "errorMessage");
} else {
if (!empty($quantity) && (!is_numeric($quantity) || intval($quantity) != floatval($quantity) || intval($quantity) < 0)) {
$field["failed_validation"] = true;
$field["validation_message"] = __("Please enter a valid quantity", "gravityforms");
}
}
break;
case "radio":
if (rgar($field, 'enableOtherChoice') && $value == 'gf_other_choice') {
$value = rgpost("input_{$field['id']}_other");
}
if ($field["isRequired"] && rgar($field, 'enableOtherChoice') && $value == GFCommon::get_other_choice_value()) {
$field["failed_validation"] = true;
$field["validation_message"] = empty($field["errorMessage"]) ? __("This field is required.", "gravityforms") : $field["errorMessage"];
}
break;
}
}
}
}
$custom_validation_result = apply_filters("gform_field_validation", array("is_valid" => rgar($field, "failed_validation") ? false : true, "message" => rgar($field, "validation_message")), $value, $form, $field);
$custom_validation_result = apply_filters("gform_field_validation_{$form["id"]}", $custom_validation_result, $value, $form, $field);
$custom_validation_result = apply_filters("gform_field_validation_{$form["id"]}_{$field["id"]}", $custom_validation_result, $value, $form, $field);
$field["failed_validation"] = rgar($custom_validation_result, "is_valid") ? false : true;
$field["validation_message"] = rgar($custom_validation_result, "message");
}
$is_valid = true;
foreach ($form["fields"] as $f) {
if (rgar($f, "failed_validation")) {
$is_valid = false;
break;
}
}
$validation_result = apply_filters("gform_validation_{$form["id"]}", apply_filters("gform_validation", array("is_valid" => $is_valid, "form" => $form)));
$is_valid = $validation_result["is_valid"];
$form = $validation_result["form"];
return $is_valid;
}