vendor/twig/twig/src/Node/IfNode.php line 24

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  1. <?php
  3. /*
  4. * This file is part of Twig.
  5. *
  6. * (c) Fabien Potencier
  7. * (c) Armin Ronacher
  8. *
  9. * For the full copyright and license information, please view the LICENSE
  10. * file that was distributed with this source code.
  11. */
  13. namespace Twig\Node;
  15. use Twig\Compiler;
  17. /**
  18. * Represents an if node.
  19. *
  20. * @author Fabien Potencier <fabien@symfony.com>
  21. */
  22. class IfNode extends Node
  23. {
  24. public function __construct(Node $tests, ?Node $else, int $lineno, string $tag = null)
  25. {
  26. $nodes = ['tests' => $tests];
  27. if (null !== $else) {
  28. $nodes['else'] = $else;
  29. }
  31. parent::__construct($nodes, [], $lineno, $tag);
  32. }
  34. public function compile(Compiler $compiler)
  35. {
  36. $compiler->addDebugInfo($this);
  37. for ($i = 0, $count = \count($this->getNode('tests')); $i < $count; $i += 2) {
  38. if ($i > 0) {
  39. $compiler
  40. ->outdent()
  41. ->write('} elseif (')
  42. ;
  43. } else {
  44. $compiler
  45. ->write('if (')
  46. ;
  47. }
  49. $compiler
  50. ->subcompile($this->getNode('tests')->getNode($i))
  51. ->raw(") {\n")
  52. ->indent()
  53. ;
  54. // The node might not exists if the content is empty
  55. if ($this->getNode('tests')->hasNode($i + 1)) {
  56. $compiler->subcompile($this->getNode('tests')->getNode($i + 1));
  57. }
  58. }
  60. if ($this->hasNode('else')) {
  61. $compiler
  62. ->outdent()
  63. ->write("} else {\n")
  64. ->indent()
  65. ->subcompile($this->getNode('else'))
  66. ;
  67. }
  69. $compiler
  70. ->outdent()
  71. ->write("}\n");
  72. }
  73. }
  75. class_alias('Twig\Node\IfNode', 'Twig_Node_If');