AssignNameExpression.php

<?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;
use Twig\Error\SyntaxError;
use Twig\Node\Expression\Variable\AssignContextVariable;
class AssignNameExpression extends NameExpression {
    public function __construct(string $name, int $lineno) {
        if (self::class === static::class) {
            trigger_deprecation('twig/twig', '3.15', 'The "%s" class is deprecated, use "%s" instead.', self::class, AssignContextVariable::class);
        }
        // All names supported by ExpressionParser::parsePrimaryExpression() should be excluded
        if (\in_array(strtolower($name), [
            'true',
            'false',
            'none',
            'null',
        ])) {
            throw new SyntaxError(\sprintf('You cannot assign a value to "%s".', $name), $lineno);
        }
        parent::__construct($name, $lineno);
    }
    public function compile(Compiler $compiler) : void {
        $compiler->raw('$context[')
            ->string($this->getAttribute('name'))
            ->raw(']');
    }

}