Twig API
Interface

Twig_NodeVisitorInterface

interface Twig_NodeVisitorInterface

Twig_NodeVisitorInterface is the interface the all node visitor classes must implement.

Methods

Twig_NodeInterface enterNode(Twig_NodeInterface $node, Twig_Environment $env)

Called before child nodes are visited.
Twig_NodeInterface|false leaveNode(Twig_NodeInterface $node, Twig_Environment $env)

Called after child nodes are visited.
integer getPriority()

Returns the priority for this visitor.

Details

at line 27
public Twig_NodeInterface enterNode(Twig_NodeInterface $node, Twig_Environment $env)

Called before child nodes are visited.

Parameters

Twig_NodeInterface $node The node to visit
Twig_Environment $env The Twig environment instance

Return Value

Twig_NodeInterface The modified node

at line 37
public Twig_NodeInterface|false leaveNode(Twig_NodeInterface $node, Twig_Environment $env)

Called after child nodes are visited.

Parameters

Twig_NodeInterface $node The node to visit
Twig_Environment $env The Twig environment instance

Return Value

Twig_NodeInterface|false The modified node or false if the node must be removed

at line 46
public integer getPriority()

Returns the priority for this visitor.

Priority should be between -10 and 10 (0 is the default).

Return Value

integer The priority level