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- 27.04.2026
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FilterTokenParser.php
01 <?php
02
03 /*
04 * This file is part of Twig.
05 *
06 * (c) Fabien Potencier
07 *
08 * For the full copyright and license information, please view the LICENSE
09 * file that was distributed with this source code.
10 */
11
12 namespace Twig\TokenParser;
13
14 use Twig\Node\BlockNode;
15 use Twig\Node\Expression\BlockReferenceExpression;
16 use Twig\Node\Expression\ConstantExpression;
17 use Twig\Node\PrintNode;
18 use Twig\Token;
19
20 /**
21 * Filters a section of a template by applying filters.
22 *
23 * {% filter upper %}
24 * This text becomes uppercase
25 * {% endfilter %}
26 *
27 * @deprecated since Twig 2.9, to be removed in 3.0 (use the "apply" tag instead)
28 */
29 final class FilterTokenParser extends AbstractTokenParser
30 {
31 public function parse(Token $token)
32 {
33 $stream = $this->parser->getStream();
34 $lineno = $token->getLine();
35
36 @trigger_error(sprintf('The "filter" tag in "%s" at line %d is deprecated since Twig 2.9, use the "apply" tag instead.', $stream->getSourceContext()->getName(), $lineno), \E_USER_DEPRECATED);
37
38 $name = $this->parser->getVarName();
39 $ref = new BlockReferenceExpression(new ConstantExpression($name, $lineno), null, $lineno, $this->getTag());
40
41 $filter = $this->parser->getExpressionParser()->parseFilterExpressionRaw($ref, $this->getTag());
42 $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
43
44 $body = $this->parser->subparse([$this, 'decideBlockEnd'], true);
45 $stream->expect(/* Token::BLOCK_END_TYPE */ 3);
46
47 $block = new BlockNode($name, $body, $lineno);
48 $this->parser->setBlock($name, $block);
49
50 return new PrintNode($filter, $lineno, $this->getTag());
51 }
52
53 public function decideBlockEnd(Token $token)
54 {
55 return $token->test('endfilter');
56 }
57
58 public function getTag()
59 {
60 return 'filter';
61 }
62 }
63
64 class_alias('Twig\TokenParser\FilterTokenParser', 'Twig_TokenParser_Filter');
65