eventespresso / event-espresso-core

	 * @param array $query_params like EEM_Base's $query_params variable.

	 * @return EE_Base_Class | NULL

	 */

	function get_one($query_params = array()){

		if( ! is_array( $query_params ) ){

			EE_Error::doing_it_wrong('EEM_Base::get_one', sprintf( __( '$query_params should be an array, you passed a variable of type %s', 'event_espresso' ), gettype( $query_params ) ), '4.6.0' );

			$query_params = array();

		}

		$query_params['limit'] = 1;

		$items = $this->get_all($query_params);

		if(empty($items)){

			return null;

		}else{

			return array_shift($items);

		}

	}

	 * @param array $query_params

	 * @return EE_Base_Class

	 */

	function get_one_copy($model_object_or_attributes_array,$query_params = array()){

		if( ! is_array( $query_params ) ){

			EE_Error::doing_it_wrong('EEM_Base::get_one_copy', sprintf( __( '$query_params should be an array, you passed a variable of type %s', 'event_espresso' ), gettype( $query_params ) ), '4.6.0' );

			$query_params = array();

		}

		$query_params['limit'] = 1;

		$copies = $this->get_all_copies($model_object_or_attributes_array,$query_params);

		if(is_array($copies)){

			return array_shift($copies);

		}else{

			return null;

		}

	}