|
protected validateRequired ( &$value, array $field, |
||
| $field | array | The field definition. |
| $validation | A {@link Validation} object to collect errors. | |
| return | boolean | null | Returns one of the following: - null: The field is not required. - true: The field is required and {@link $value} is not empty. - false: The field is required and {@link $value} is empty. |
protected function validateRequired(&$value, array $field, Validation $validation)
{
$required = val('required', $field, false);
$type = $field['type'];
if ($value === '' || $value === null) {
if (!$required) {
$value = null;
return true;
}
switch ($type) {
case 'boolean':
$value = false;
return true;
case 'string':
if (val('minLength', $field, 1) == 0) {
$value = '';
return true;
}
}
$validation->addError('missing_field', $field);
return false;
}
return null;
}