vendor/twig/twig/src/Node/ForLoopNode.php line 23

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  1. <?php
  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. */
  12. namespace Twig\Node;
  14. use Twig\Compiler;
  16. /**
  17. * Internal node used by the for node.
  18. *
  19. * @author Fabien Potencier <fabien@symfony.com>
  20. */
  21. class 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. }
  28. public function compile(Compiler $compiler)
  29. {
  30. if ($this->getAttribute('else')) {
  31. $compiler->write("\$context['_iterated'] = true;\n");
  32. }
  34. if ($this->getAttribute('with_loop')) {
  35. $compiler
  36. ->write("++\$context['loop']['index0'];\n")
  37. ->write("++\$context['loop']['index'];\n")
  38. ->write("\$context['loop']['first'] = false;\n")
  39. ;
  41. if (!$this->getAttribute('ifexpr')) {
  42. $compiler
  43. ->write("if (isset(\$context['loop']['length'])) {\n")
  44. ->indent()
  45. ->write("--\$context['loop']['revindex0'];\n")
  46. ->write("--\$context['loop']['revindex'];\n")
  47. ->write("\$context['loop']['last'] = 0 === \$context['loop']['revindex0'];\n")
  48. ->outdent()
  49. ->write("}\n")
  50. ;
  51. }
  52. }
  53. }
  54. }
  56. class_alias('Twig\Node\ForLoopNode', 'Twig_Node_ForLoop');