Class yii\twig\Optimizer

All Classes | Methods

Inheritance	yii\twig\Optimizer
Implements	Twig_NodeVisitorInterface
Source Code	https://github.com/yiisoft/yii2-twig/blob/master/Optimizer.php

Optimizer removes echo before special functions call and injects function name as an argument for the view helper calls.

Public Methods

Hide inherited methods

Method	Description	Defined By
enterNode()		yii\twig\Optimizer
getPriority()		yii\twig\Optimizer
leaveNode()		yii\twig\Optimizer

Method Details

Hide inherited methods

enterNode() public method

public enterNode ( \Twig_NodeInterface $node, \Twig_Environment $env )
$node	\Twig_NodeInterface
$env	\Twig_Environment

Source code

                public function enterNode(\Twig_NodeInterface $node, \Twig_Environment $env)
{
    return $node;
}

getPriority() public method

public getPriority ( )

Source code

                public function getPriority()
{
    return 100;
}

leaveNode() public method

public leaveNode ( \Twig_NodeInterface $node, \Twig_Environment $env )
$node	\Twig_NodeInterface
$env	\Twig_Environment

Source code

                public function leaveNode(\Twig_NodeInterface $node, \Twig_Environment $env)
{
    if ($node instanceof \Twig_Node_Print) {
        $expression = $node->getNode('expr');
        if ($expression instanceof \Twig_Node_Expression_Function) {
            $name = $expression->getAttribute('name');
            if (preg_match('/^(?:register_.+_asset|use|.+_begin|.+_end)$/', $name)) {
                return new \Twig_Node_Do($expression, $expression->getTemplateLine());
            } elseif (in_array($name, ['begin_page', 'end_page', 'begin_body', 'end_body', 'head'])) {
                $arguments = [
                    new \Twig_Node_Expression_Constant($name, $expression->getTemplateLine()),
                ];
                if ($expression->hasNode('arguments') && $expression->getNode('arguments') !== null) {
                    foreach ($expression->getNode('arguments') as $key => $value) {
                        if (is_int($key)) {
                            $arguments[] = $value;
                        } else {
                            $arguments[$key] = $value;
                        }
                    }
                }
                $expression->setNode('arguments', new \Twig_Node($arguments));
                return new \Twig_Node_Do($expression, $expression->getTemplateLine());
            }
        }
    }
    return $node;
}