/**
  * Validate the email field for contact forms.
  * @param I2CE_FormField $formfield
  */
 public function validate_form_contact_field_email($formfield)
 {
     $value = $formfield->getValue();
     if (I2CE_Validate::checkString($value) && !I2CE_Validate::checkEmail($value)) {
         $formfield->setInvalidMessage('invalid_email');
     }
 }
 /**
  * Validate the email field for contact forms.
  * @param I2CE_FormField $formfield
  */
 public function validate_form_user_request_field_email($formfield)
 {
     $value = $formfield->getValue();
     if (I2CE_Validate::checkString($value) && !I2CE_Validate::checkEmail($value)) {
         $formfield->setInvalidMessage("invalid_email");
     }
 }