Class yii\twig\Optimizer

All Classes | Methods
Inheritanceyii\twig\Optimizer
ImplementsTwig\NodeVisitor\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

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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 

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

                public function getPriority()
{
    return 100;
}
leaveNode() public method
public leaveNode( \Twig\Node\Node $node, \Twig\Environment $env ):
$node \Twig\Node\Node
$env \Twig\Environment 

                public function leaveNode(Node $node, Environment $env): ?Node
{
    if ($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;
}