protected function _schemaDefault($field)
    {
        $field = $this->_form->schema()->field($field);
        if ($field) {
            return $field['default'];
        }

        return null;
    }
protected function _schemaDefault($field)
    {
        $field = $this->_form->schema()->field($field);
        if ($field) {
            return $field['default'];
        }

        return null;
    }
protected function _schemaDefault ( $ field ) { $ field = $ this -> _form -> schema ( ) -> field ( $ field ) ; if ( $ field ) { return $ field [ 'default' ] ; } return null ; }
Get default value from form schema for given field.

@param string $field Field name.
@return mixed
Get default value from form schema for given field .