vendor/twig/twig/src/TokenParser/SetTokenParser.php line 61
<?php/** This file is part of Twig.** (c) Fabien Potencier** For the full copyright and license information, please view the LICENSE* file that was distributed with this source code.*/namespace Twig\TokenParser;use Twig\Error\SyntaxError;use Twig\Node\Node;use Twig\Node\SetNode;use Twig\Token;/*** 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*/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 ($stream->nextIf(/* Token::OPERATOR_TYPE */ 8, '=')) {$values = $this->parser->getExpressionParser()->parseMultitargetExpression();$stream->expect(/* Token::BLOCK_END_TYPE */ 3);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 */ 3);$values = $this->parser->subparse([$this, 'decideBlockEnd'], true);$stream->expect(/* Token::BLOCK_END_TYPE */ 3);}return new SetNode($capture, $names, $values, $lineno, $this->getTag());}public function decideBlockEnd(Token $token): bool{return $token->test('endset');}public function getTag(): string{return 'set';}}