Файл: upload/core/vendor/twig/twig/src/Node/Expression/Test/DefinedTest.php
Строк: 94
<?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 TwigNodeExpressionTest;
use TwigAttributeFirstClassTwigCallableReady;
use TwigCompiler;
use TwigErrorSyntaxError;
use TwigNodeExpressionAbstractExpression;
use TwigNodeExpressionSupportDefinedTestInterface;
use TwigNodeExpressionTestExpression;
use TwigNodeNode;
use TwigTwigTest;
/**
* Checks if a variable is defined in the current context.
*
* {# defined works with variable names and variable attributes #}
* {% if foo is defined %}
* {# ... #}
* {% endif %}
*
* @author Fabien Potencier <fabien@symfony.com>
*/
class DefinedTest extends TestExpression
{
/**
* @param AbstractExpression $node
*/
#[FirstClassTwigCallableReady]
public function __construct(Node $node, TwigTest|string $name, ?Node $arguments, int $lineno)
{
if (!$node instanceof AbstractExpression) {
trigger_deprecation('twig/twig', '3.15', 'Not passing a "%s" instance to the "node" argument of "%s" is deprecated ("%s" given).', AbstractExpression::class, static::class, $node::class);
}
if (!$node instanceof SupportDefinedTestInterface) {
throw new SyntaxError('The "defined" test only works with simple variables.', $lineno);
}
$node->enableDefinedTest();
if (is_string($name) && 'defined' !== $name) {
trigger_deprecation('twig/twig', '3.12', 'Creating a "DefinedTest" instance with a test name that is not "defined" is deprecated.');
}
parent::__construct($node, $name, $arguments, $lineno);
}
public function compile(Compiler $compiler): void
{
$compiler->subcompile($this->getNode('node'));
}
}