Class yii\twig\Optimizer

All Classes | Methods

Inheritance	yii\twig\Optimizer
Implements	Twig\NodeVisitor\NodeVisitorInterface
Source Code	https://github.com/yiisoft/yii2-twig/blob/master/src/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

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enterNode() public method

public enterNode( \Twig\Node\Node $node, \Twig\Environment $env ):
$node	\Twig\Node\Node
$env	\Twig\Environment

Source code

                public function enterNode(Node $node, Environment $env)
{
    return $node;
}

getPriority() public method

public getPriority( ):

Source code

                public function getPriority()
{
    return 100;
}

leaveNode() public method

public leaveNode( \Twig\Node\Node $node, \Twig\Environment $env ):
$node	\Twig\Node\Node
$env	\Twig\Environment

Source code

                public function leaveNode(Node $node, Environment $env)
{
    if ($node instanceof PrintNode) {
        $expression = $node->getNode('expr');
        if ($expression instanceof FunctionExpression) {
            $name = $expression->getAttribute('name');
            if (preg_match('/^(?:register_.+_asset|use|.+_begin|.+_end)$/', $name)) {
                return new DoNode($expression, $expression->getTemplateLine());
            } elseif (in_array($name, ['begin_page', 'end_page', 'begin_body', 'end_body', 'head'])) {
                $arguments = [
                    new ConstantExpression($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;
                        }
                    }
                }
                $expression->setNode('arguments', new Node($arguments));
                return new DoNode($expression, $expression->getTemplateLine());
            }
        }
    }
    return $node;
}