Interface ExpressionInterface

An interface used by Expression objects.

Direct known implementers

Cake\Database\Expression\QueryExpression, Cake\Database\Query

Indirect known implementers

Namespace: Cake\Database
Located at Database/ExpressionInterface.php

Method Detail

sqlsource public

sql( Cake\Database\ValueBinder $generator )

Converts the Node into a SQL string fragment.

Parameters

Cake\Database\ValueBinder $generator: Placeholder generator object

Returns

string
string

traversesource public

traverse( callable $visitor )

Iterates over each part of the expression recursively for every level of the expressions tree and executes the $visitor callable passing as first parameter the instance of the expression currently being iterated.

Parameters

callable $visitor: The callable to apply to all nodes.

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http://api.cakephp.org/3.1/class-Cake.Database.ExpressionInterface.html