leilukin-tumbleblog/includes/lib/Twig/Node/Expression/Binary/ElvisBinary.php

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2025-01-13 09:56:01 +00:00
<?php
/*
* This file is part of Twig.
*
* (c) Fabien Potencier
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*/
namespace Twig\Node\Expression\Binary;
use Twig\Compiler;
use Twig\Node\Expression\AbstractExpression;
use Twig\Node\Expression\OperatorEscapeInterface;
final class ElvisBinary extends AbstractBinary implements OperatorEscapeInterface
{
public function __construct(AbstractExpression $left, AbstractExpression $right, int $lineno)
{
parent::__construct($left, $right, $lineno);
$this->setNode('test', clone $left);
$left->setAttribute('always_defined', true);
}
public function compile(Compiler $compiler): void
{
$compiler
->raw('((')
->subcompile($this->getNode('test'))
->raw(') ? (')
->subcompile($this->getNode('left'))
->raw(') : (')
->subcompile($this->getNode('right'))
->raw('))')
;
}
public function operator(Compiler $compiler): Compiler
{
return $compiler->raw('?:');
}
public function getOperandNamesToEscape(): array
{
return ['left', 'right'];
}
}