vendor/symfony/var-dumper/Caster/ArgsStub.php

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<?php

/*
 * This file is part of the Symfony package.
 *
 * (c) Fabien Potencier <fabien@symfony.com>
 *
 * For the full copyright and license information, please view the LICENSE
 * file that was distributed with this source code.
 */

namespace Symfony\Component\VarDumper\Caster;

use Symfony\Component\VarDumper\Cloner\Stub;

/**
 * Represents a list of function arguments.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 */
class ArgsStub extends EnumStub
{
    private static $parameters = [];

    public function __construct(array $args, string $function, ?string $class)
    {
        list($variadic, $params) = self::getParameters($function, $class);

        $values = [];
        foreach ($args as $k => $v) {
            $values[$k] = !is_scalar($v) && !$v instanceof Stub ? new CutStub($v) : $v;
        }
        if (null === $params) {
            parent::__construct($values, false);

            return;
        }
        if (\count($values) < \count($params)) {
            $params = \array_slice($params, 0, \count($values));
        } elseif (\count($values) > \count($params)) {
            $values[] = new EnumStub(array_splice($values, \count($params)), false);
            $params[] = $variadic;
        }
        if (['...'] === $params) {
            $this->dumpKeys = false;
            $this->value = $values[0]->value;
        } else {
            $this->value = array_combine($params, $values);
        }
    }

    private static function getParameters(string $function, ?string $class): array
    {
        if (isset(self::$parameters[$k = $class.'::'.$function])) {
            return self::$parameters[$k];
        }

        try {
            $r = null !== $class ? new \ReflectionMethod($class, $function) : new \ReflectionFunction($function);
        } catch (\ReflectionException $e) {