Viewing file:  IfNode.php (1.76 KB) -rwxr-x---
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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.
*/
namespace Twig\Node;
use Twig\Compiler;
/**
* Represents an if node.
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class IfNode extends Node
{
public function __construct(Node $tests, ?Node $else, int $lineno, string $tag = null)
{
$nodes = ['tests' => $tests];
if (null !== $else) {
$nodes['else'] = $else;
}
parent::__construct($nodes, [], $lineno, $tag);
}
public function compile(Compiler $compiler): void
{
$compiler->addDebugInfo($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($i))
->raw(") {\n")
->indent()
;
// The node might not exists if the content is empty
if ($this->getNode('tests')->hasNode($i + 1)) {
$compiler->subcompile($this->getNode('tests')->getNode($i + 1));
}
}
if ($this->hasNode('else')) {
$compiler
->outdent()
->write("} else {\n")
->indent()
->subcompile($this->getNode('else'))
;
}
$compiler
->outdent()
->write("}\n");
}
}
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