/**
* Method to test the email address and optionally check for uniqueness.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
* @param Registry $input An optional Registry object with the entire data set to validate against the entire form.
* @param Form $form The form object for which the field is being tested.
*
* @return boolean True if the value is valid, false otherwise.
*
* @since 1.0
*/
public function test(SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
{
// If the field is empty and not required, the field is valid.
$required = (string) $element['required'] == 'true' || (string) $element['required'] == 'required';
if (!$required && empty($value)) {
return true;
}
// If the tld attribute is present, change the regular expression to require at least 2 characters for it.
$tld = (string) $element['tld'] == 'tld' || (string) $element['tld'] == 'required';
if ($tld) {
$this->regex = '^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\\.[a-zA-Z0-9-]{2,})$';
}
// Determine if the multiple attribute is present
$multiple = (string) $element['multiple'] == 'true' || (string) $element['multiple'] == 'multiple';
if ($multiple) {
$values = explode(',', $value);
}
if (!$multiple) {
// Test the value against the regular expression.
if (!parent::test($element, $value, $group, $input, $form)) {
return false;
}
} else {
foreach ($values as $value) {
// Test the value against the regular expression.
if (!parent::test($element, $value, $group, $input, $form)) {
return false;
}
}
}
return true;
}
/**
* Method to test the email address and optionally check for uniqueness.
*
* @param SimpleXMLElement $element The SimpleXMLElement object representing the <field /> tag for the form field object.
* @param mixed $value The form field value to validate.
* @param string $group The field name group control value. This acts as as an array container for the field.
* For example if the field has name="foo" and the group value is set to "bar" then the
* full field name would end up being "bar[foo]".
* @param JRegistry $input An optional JRegistry object with the entire data set to validate against the entire form.
* @param JForm $form The form object for which the field is being tested.
*
* @return boolean True if the value is valid, false otherwise.
*
* @since 11.1
*/
public function test(SimpleXMLElement $element, $value, $group = null, Registry $input = null, Form $form = null)
{
// If the field is empty and not required, the field is valid.
$required = (string) $element['required'] == 'true' || (string) $element['required'] == 'required';
if (!$required && empty($value)) {
return true;
}
// If the tld attribute is present, change the regular expression to require at least 2 characters for it.
$tld = (string) $element['tld'] == 'tld' || (string) $element['tld'] == 'required';
if ($tld) {
$this->regex = '^[a-zA-Z0-9.!#$%&’*+/=?^_`{|}~-]+@[a-zA-Z0-9-]+(?:\\.[a-zA-Z0-9-]{2,})$';
}
// Determine if the multiple attribute is present
$multiple = (string) $element['multiple'] == 'true' || (string) $element['multiple'] == 'multiple';
if ($multiple) {
$values = explode(',', $value);
}
if (!$multiple) {
// Test the value against the regular expression.
if (!parent::test($element, $value, $group, $input, $form)) {
return false;
}
} else {
foreach ($values as $value) {
// Test the value against the regular expression.
if (!parent::test($element, $value, $group, $input, $form)) {
return false;
}
}
}
// Check if we should test for uniqueness. This only can be used if multiple is not true
$unique = (string) $element['unique'] == 'true' || (string) $element['unique'] == 'unique';
if ($unique && !$multiple) {
// Get the database object and a new query object.
$db = Factory::getDBO();
$query = $db->getQuery(true);
// Build the query.
$query->select('COUNT(*)');
$query->from('#__users');
$query->where('email = ' . $db->quote($value));
// Get the extra field check attribute.
$userId = $form instanceof Form ? $form->getValue('id') : '';
$query->where($db->quoteName('id') . ' <> ' . (int) $userId);
// Set and query the database.
$db->setQuery($query);
$duplicate = (bool) $db->loadResult();
if ($duplicate) {
return false;
}
}
return true;
}