/**
* Check if a field is required
*
* @param string $field
*
* @access public
* @since 1.0
* @return bool
*/
function give_field_is_required($field = '')
{
$required_fields = give_purchase_form_required_fields();
return array_key_exists($field, $required_fields);
}
/**
* Purchase Form Validate Guest User
*
* @access private
* @since 1.0
* @return array
*/
function give_purchase_form_validate_guest_user()
{
$form_id = isset($_POST['give-form-id']) ? $_POST['give-form-id'] : '';
// Start an array to collect valid user data
$valid_user_data = array('user_id' => 0);
// Show error message if user must be logged in
if (give_logged_in_only($form_id)) {
give_set_error('logged_in_only', esc_html__('You must be logged into to donate.', 'give'));
}
// Get the guest email
$guest_email = isset($_POST['give_email']) ? $_POST['give_email'] : false;
// Check email
if ($guest_email && strlen($guest_email) > 0) {
// Validate email
if (!is_email($guest_email)) {
// Invalid email
give_set_error('email_invalid', esc_html__('Invalid email.', 'give'));
} else {
// All is good to go
$valid_user_data['user_email'] = $guest_email;
}
} else {
// No email
give_set_error('email_empty', esc_html__('Enter an email.', 'give'));
}
// Loop through required fields and show error messages
foreach (give_purchase_form_required_fields($form_id) as $field_name => $value) {
if (in_array($value, give_purchase_form_required_fields($form_id)) && empty($_POST[$field_name])) {
give_set_error($value['error_id'], $value['error_message']);
}
}
return $valid_user_data;
}
