eventespresso / event-espresso-core

		$field_obj = $this->get_model()->field_settings_for( $field_name );

		if ( $field_obj instanceof EE_Model_Field_Base ) {

//			if ( method_exists( $field_obj, 'set_timezone' )) {

			if ( $field_obj instanceof EE_Datetime_Field ) {

				$field_obj->set_timezone( $this->_timezone );

				$field_obj->set_date_format( $this->_dt_frmt );

				$field_obj->set_time_format( $this->_tm_frmt );

			}

			$holder_of_value = $field_obj->prepare_for_set($field_value);

			//should the value be null?

			 * maybe this is EE_Datetime_Field.  If so we need to make sure timezone and

			 * formats are correct.

			 */

			if ( $field_obj instanceof EE_Datetime_Field ) {

				$field_obj->set_timezone( $this->_timezone );

				$field_obj->set_date_format( $this->_dt_frmt, $pretty );

				$field_obj->set_time_format( $this->_tm_frmt, $pretty );

			}

			if( ! isset($this->_fields[$fieldname])){

				$this->_fields[$fieldname] = NULL;