If.php

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<?php
 
/*
 * This file is part of Twig.
 *
 * (c) Fabien Potencier
 * (c) Armin Ronacher
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */
 
class Twig_Node_If extends Twig_Node
{
    public function __construct(Twig_NodeInterface $tests, Twig_NodeInterface $else = null, $lineno, $tag = null)
    {
        $nodes = array('tests' => $tests);
        if (null !== $else) {
            $nodes['else'] = $else;
        }
 
        parent::__construct($nodes, array(), $lineno, $tag);
    }
 
    public function compile(Twig_Compiler $compiler)
    {
        $compiler->addDebugInfo($this);
        for ($i = 0, $count = count($this->getNode('tests')); $i < $count; $i += 2) {
            if ($i > 0) {
                $compiler
                    ->outdent()
                    ->write('} elseif (')
                ;
            } else {
                $compiler
                    ->write('if (')
                ;
            }
 
            $compiler
                ->subcompile($this->getNode('tests')->getNode($i))
                ->raw(") {\n")
                ->indent()
                ->subcompile($this->getNode('tests')->getNode($i + 1))
            ;
        }
 
        if ($this->hasNode('else')) {
            $compiler
                ->outdent()
                ->write("} else {\n")
                ->indent()
                ->subcompile($this->getNode('else'))
            ;
        }
 
        $compiler
            ->outdent()
            ->write("}\n");
    }
}
 
class_alias('Twig_Node_If', 'Twig\Node\IfNode', false);