1<?php 2 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 */ 12 13namespace Twig\Node; 14 15use Twig\Compiler; 16 17/** 18 * Represents an if node. 19 * 20 * @author Fabien Potencier <fabien@symfony.com> 21 */ 22class 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'] = $else; 29 } 30 31 parent::__construct($nodes, [], $lineno, $tag); 32 } 33 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 } 48 49 $compiler 50 ->subcompile($this->getNode('tests')->getNode($i)) 51 ->raw(") {\n") 52 ->indent() 53 ->subcompile($this->getNode('tests')->getNode($i + 1)) 54 ; 55 } 56 57 if ($this->hasNode('else')) { 58 $compiler 59 ->outdent() 60 ->write("} else {\n") 61 ->indent() 62 ->subcompile($this->getNode('else')) 63 ; 64 } 65 66 $compiler 67 ->outdent() 68 ->write("}\n"); 69 } 70} 71 72class_alias('Twig\Node\IfNode', 'Twig_Node_If'); 73