leilukin-tumbleblog/includes/lib/Twig/Node/Expression/ConditionalExpression.php

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2024-06-20 14:10:42 +00:00
<?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\Expression;
use Twig\Compiler;
class ConditionalExpression extends AbstractExpression
{
public function __construct(AbstractExpression $expr1, AbstractExpression $expr2, AbstractExpression $expr3, int $lineno)
{
parent::__construct(['expr1' => $expr1, 'expr2' => $expr2, 'expr3' => $expr3], [], $lineno);
}
public function compile(Compiler $compiler): void
{
// Ternary with no then uses Elvis operator
if ($this->getNode('expr1') === $this->getNode('expr2')) {
$compiler
->raw('((')
->subcompile($this->getNode('expr1'))
->raw(') ?: (')
->subcompile($this->getNode('expr3'))
->raw('))');
} else {
$compiler
->raw('((')
->subcompile($this->getNode('expr1'))
->raw(') ? (')
->subcompile($this->getNode('expr2'))
->raw(') : (')
->subcompile($this->getNode('expr3'))
->raw('))');
}
}
}