Interface ExpressionInterface

An interface used by Expression objects.

Namespace: Cake\Database

Method Summary

  • sql() public

    Converts the Node into a SQL string fragment.

  • traverse() public

    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.

Method Detail

sql() public 

sql(\Cake\Database\ValueBinder $generator)

Converts the Node into a SQL string fragment.

Parameters

\Cake\Database\ValueBinder $generator

Placeholder generator object

Returns

string

traverse() public 

traverse(\Closure $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

\Closure $visitor

The callable to apply to all nodes.

Returns

$this

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https://api.cakephp.org/4.0/interface-Cake.Database.ExpressionInterface.html