preparable.php
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<?php
/**
* @package Joomla.Platform
* @subpackage Database
*
* @copyright Copyright (C) 2005 - 2019 Open Source Matters, Inc. All rights reserved.
* @license GNU General Public License version 2 or later; see LICENSE
*/
defined('JPATH_PLATFORM') or die;
/**
* Joomla Database Query Preparable Interface.
* Adds bind/unbind methods as well as a getBounded() method
* to retrieve the stored bounded variables on demand prior to
* query execution.
*
* @since 3.0.0
*/
interface JDatabaseQueryPreparable
{
/**
* Method to add a variable to an internal array that will be bound to a prepared SQL statement before query execution. Also
* removes a variable that has been bounded from the internal bounded array when the passed in value is null.
*
* @param string|integer $key The key that will be used in your SQL query to reference the value. Usually of
* the form ':key', but can also be an integer.
* @param mixed &$value The value that will be bound. The value is passed by reference to support output
* parameters such as those possible with stored procedures.
* @param integer $dataType Constant corresponding to a SQL datatype.
* @param integer $length The length of the variable. Usually required for OUTPUT parameters.
* @param array $driverOptions Optional driver options to be used.
*
* @return JDatabaseQuery
*
* @since 3.0.0
*/
public function bind($key = null, &$value = null, $dataType = PDO::PARAM_STR, $length = 0, $driverOptions = array());
/**
* Retrieves the bound parameters array when key is null and returns it by reference. If a key is provided then that item is
* returned.
*
* @param mixed $key The bounded variable key to retrieve.
*
* @return mixed
*
* @since 3.0.0
*/
public function &getBounded($key = null);
}