public function & GetFirstFieldByType ($fieldType = '') {
		$result = NULL;
		foreach ($this->fields as & $field) {
			if ($field->GetType() == $fieldType) {
				$result = & $field;
			}
		}
		return $result;
	}
public function & GetFirstFieldByType ($fieldType = '') {
		$result = NULL;
		foreach ($this->fields as & $field) {
			if ($field->GetType() == $fieldType) {
				$result = & $field;
			}
		}
		return $result;
	}
public function & GetFirstFieldByType ( $ fieldType = '' ) { $ result = NULL ; foreach ( $ this -> fields as & $ field ) { if ( $ field -> GetType ( ) == $ fieldType ) { $ result = & $ field ; } } return $ result ; }
Return first caught form field instance by given field type string.
If no field found, `NULL` is returned.
@param string $fieldType
@return \MvcCore\Ext\Forms\Field|\MvcCore\Ext\Forms\IField|NULL
Return first caught form field instance by given field type string . If no field found NULL is returned .