TwigTest.php
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TwigTest.php
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	<?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;

	use Twig\Node\Expression\TestExpression;

	/**
	* Represents a template test.
	*
	* @author Fabien Potencier <fabien@symfony.com>
	*
	* @see https://twig.symfony.com/doc/templates.html#test-operator
	*/
	final class TwigTest extends AbstractTwigCallable
	{
	/**
	* @param callable\|array{class-string, string}\|null $callable A callable implementing the test. If null, you need to overwrite the "node_class" option to customize compilation.
	*/
	public function __construct(string $name, $callable = null, array $options = [])
	{
	parent::__construct($name, $callable, $options);

	$this->options = array_merge([
	'node_class' => TestExpression::class,
	'one_mandatory_argument' => false,
	], $this->options);
	}

	public function getType(): string
	{
	return 'test';
	}

	public function needsCharset(): bool
	{
	return false;
	}

	public function needsEnvironment(): bool
	{
	return false;
	}

	public function needsContext(): bool
	{
	return false;
	}

	public function hasOneMandatoryArgument(): bool
	{
	return (bool) $this->options['one_mandatory_argument'];
	}

	public function getMinimalNumberOfRequiredArguments(): int
	{
	return parent::getMinimalNumberOfRequiredArguments() + 1;
	}
	}