1: <?php
2: /**
3: * CakePHP(tm) : Rapid Development Framework (https://cakephp.org)
4: * Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
5: *
6: * Licensed under The MIT License
7: * For full copyright and license information, please see the LICENSE.txt
8: * Redistributions of files must retain the above copyright notice.
9: *
10: * @copyright Copyright (c) Cake Software Foundation, Inc. (https://cakefoundation.org)
11: * @link https://cakephp.org CakePHP(tm) Project
12: * @since 3.3.0
13: * @license https://opensource.org/licenses/mit-license.php MIT License
14: */
15: namespace Cake\Database\Type;
16:
17: /**
18: * An interface used by Type objects to signal whether the value should
19: * be converted to an ExpressionInterface instead of a string when sent
20: * to the database.
21: */
22: interface ExpressionTypeInterface
23: {
24: /**
25: * Returns an ExpressionInterface object for the given value that can
26: * be used in queries.
27: *
28: * @param mixed $value The value to be converted to an expression
29: * @return \Cake\Database\ExpressionInterface
30: */
31: public function toExpression($value);
32: }
33: