blob: d5ce845a791f7d97625ea36632a9c659b72d8a48 [file] [log] [blame]
Matthias Andreas Benkard12a57352021-12-28 18:02:04 +01001<?php
2
3/*
4 * This file is part of Twig.
5 *
6 * (c) Fabien Potencier
7 *
8 * For the full copyright and license information, please view the LICENSE
9 * file that was distributed with this source code.
10 */
11
12namespace Twig\Node;
13
14use Twig\Compiler;
15
16/**
17 * Internal node used by the for node.
18 *
19 * @author Fabien Potencier <fabien@symfony.com>
20 */
21class ForLoopNode extends Node
22{
23 public function __construct(int $lineno, string $tag = null)
24 {
25 parent::__construct([], ['with_loop' => false, 'ifexpr' => false, 'else' => false], $lineno, $tag);
26 }
27
28 public function compile(Compiler $compiler): void
29 {
30 if ($this->getAttribute('else')) {
31 $compiler->write("\$context['_iterated'] = true;\n");
32 }
33
34 if ($this->getAttribute('with_loop')) {
35 $compiler
36 ->write("++\$context['loop']['index0'];\n")
37 ->write("++\$context['loop']['index'];\n")
38 ->write("\$context['loop']['first'] = false;\n")
39 ->write("if (isset(\$context['loop']['length'])) {\n")
40 ->indent()
41 ->write("--\$context['loop']['revindex0'];\n")
42 ->write("--\$context['loop']['revindex'];\n")
43 ->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
44 ->outdent()
45 ->write("}\n")
46 ;
47 }
48 }
49}