class SetTokenParser

Defines a variable.

{% set foo = 'foo' %} {% set foo = [1, 2] %} {% set foo = {'foo': 'bar'} %} {% set foo = 'foo' ~ 'bar' %} {% set foo, bar = 'foo', 'bar' %} {% set foo %}Some content{% endset %}

@internal

Hierarchy

class \Twig\TokenParser\AbstractTokenParser implements \Twig\TokenParser\TokenParserInterface
- class \Twig\TokenParser\SetTokenParser extends \Twig\TokenParser\AbstractTokenParser

Expanded class hierarchy of SetTokenParser

1 file declares its use of SetTokenParser

CoreExtension.php in vendor/twig/twig/src/Extension/CoreExtension.php

File

vendor/twig/twig/src/TokenParser/SetTokenParser.php, line 31

Namespace

Twig\TokenParser

View source

final class SetTokenParser extends AbstractTokenParser {
    public function parse(Token $token) : Node {
        $lineno = $token->getLine();
        $stream = $this->parser
            ->getStream();
        $names = $this->parser
            ->getExpressionParser()
            ->parseAssignmentExpression();
        $capture = false;
        if ($stream->nextIf(Token::OPERATOR_TYPE, '=')) {
            $values = $this->parser
                ->getExpressionParser()
                ->parseMultitargetExpression();
            $stream->expect(Token::BLOCK_END_TYPE);
            if (\count($names) !== \count($values)) {
                throw new SyntaxError('When using set, you must have the same number of variables and assignments.', $stream->getCurrent()
                    ->getLine(), $stream->getSourceContext());
            }
        }
        else {
            $capture = true;
            if (\count($names) > 1) {
                throw new SyntaxError('When using set with a block, you cannot have a multi-target.', $stream->getCurrent()
                    ->getLine(), $stream->getSourceContext());
            }
            $stream->expect(Token::BLOCK_END_TYPE);
            $values = $this->parser
                ->subparse([
                $this,
                'decideBlockEnd',
            ], true);
            $stream->expect(Token::BLOCK_END_TYPE);
        }
        return new SetNode($capture, $names, $values, $lineno);
    }
    public function decideBlockEnd(Token $token) : bool {
        return $token->test('endset');
    }
    public function getTag() : string {
        return 'set';
    }

}

Members

Title Sort descending	Modifiers	Object type	Summary	Overriden Title
AbstractTokenParser::$parser	protected	property
AbstractTokenParser::setParser	public	function	Sets the parser associated with this token parser.	Overrides TokenParserInterface::setParser
SetTokenParser::decideBlockEnd	public	function
SetTokenParser::getTag	public	function	Gets the tag name associated with this token parser.	Overrides TokenParserInterface::getTag
SetTokenParser::parse	public	function	Parses a token and returns a node.	Overrides TokenParserInterface::parse