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			25 lines
		
	
	
		
			617 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
			
		
		
	
	
			25 lines
		
	
	
		
			617 B
		
	
	
	
		
			PHP
		
	
	
	
	
	
<?php
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/**
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 * @link https://www.yiiframework.com/
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 * @copyright Copyright (c) 2008 Yii Software LLC
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 * @license https://www.yiiframework.com/license/
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 */
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namespace yii\db;
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/**
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 * Interface ExpressionInterface should be used to mark classes, that should be built
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 * in a special way.
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 *
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 * The database abstraction layer of Yii framework supports objects that implement this
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 * interface and will use [[ExpressionBuilderInterface]] to build them.
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 *
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 * The default implementation is a class [[Expression]].
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 *
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 * @author Dmytro Naumenko <d.naumenko.a@gmail.com>
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 * @since 2.0.14
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 */
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interface ExpressionInterface
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{
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}
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