Twig API
Class

Twig_NodeVisitor_Optimizer

class Twig_NodeVisitor_Optimizer implements Twig_NodeVisitorInterface

TwigNodeVisitorOptimizer tries to optimizes the AST.

This visitor is always the last registered one.

You can configure which optimizations you want to activate via the optimizer mode.

Constants

OPTIMIZE_ALL

OPTIMIZE_NONE

OPTIMIZE_FOR

OPTIMIZE_RAW_FILTER

OPTIMIZE_VAR_ACCESS

Methods

__construct(integer $optimizers = -1)

Constructor.
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 40
public __construct(integer $optimizers = -1)

Constructor.

Parameters

integer $optimizers The optimizer mode

at line 52
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 78
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 242
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