45 lines
1.3 KiB
PHP
45 lines
1.3 KiB
PHP
|
<?php
|
||
|
declare(strict_types=1);
|
||
|
|
||
|
/**
|
||
|
* CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
|
||
|
* Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
|
||
|
*
|
||
|
* Licensed under The MIT License
|
||
|
* For full copyright and license information, please see the LICENSE.txt
|
||
|
* Redistributions of files must retain the above copyright notice.
|
||
|
*
|
||
|
* @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
|
||
|
* @link https://cakephp.org CakePHP(tm) Project
|
||
|
* @since 3.0.0
|
||
|
* @license https://opensource.org/licenses/mit-license.php MIT License
|
||
|
*/
|
||
|
namespace Cake\Database;
|
||
|
|
||
|
use Closure;
|
||
|
|
||
|
/**
|
||
|
* An interface used by Expression objects.
|
||
|
*/
|
||
|
interface ExpressionInterface
|
||
|
{
|
||
|
/**
|
||
|
* Converts the Node into a SQL string fragment.
|
||
|
*
|
||
|
* @param \Cake\Database\ValueBinder $binder Parameter binder
|
||
|
* @return string
|
||
|
*/
|
||
|
public function sql(ValueBinder $binder): string;
|
||
|
|
||
|
/**
|
||
|
* Iterates over each part of the expression recursively for every
|
||
|
* level of the expressions tree and executes the $callback callable
|
||
|
* passing as first parameter the instance of the expression currently
|
||
|
* being iterated.
|
||
|
*
|
||
|
* @param \Closure $callback The callable to apply to all nodes.
|
||
|
* @return $this
|
||
|
*/
|
||
|
public function traverse(Closure $callback);
|
||
|
}
|