vendor/symfony/var-dumper/Caster/Caster.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;

/**
 * Helper for filtering out properties in casters.
 *
 * @author Nicolas Grekas <p@tchwork.com>
 *
 * @final
 */
class Caster
{
    public const EXCLUDE_VERBOSE = 1;
    public const EXCLUDE_VIRTUAL = 2;
    public const EXCLUDE_DYNAMIC = 4;
    public const EXCLUDE_PUBLIC = 8;
    public const EXCLUDE_PROTECTED = 16;
    public const EXCLUDE_PRIVATE = 32;
    public const EXCLUDE_NULL = 64;
    public const EXCLUDE_EMPTY = 128;
    public const EXCLUDE_NOT_IMPORTANT = 256;
    public const EXCLUDE_STRICT = 512;

    public const PREFIX_VIRTUAL = "\0~\0";
    public const PREFIX_DYNAMIC = "\0+\0";
    public const PREFIX_PROTECTED = "\0*\0";

    /**
     * Casts objects to arrays and adds the dynamic property prefix.
     *
     * @param object $obj          The object to cast
     * @param bool   $hasDebugInfo Whether the __debugInfo method exists on $obj or not
     *
     * @return array The array-cast of the object, with prefixed dynamic properties
     */
    public static function castObject($obj, string $class, bool $hasDebugInfo = false, string $debugClass = null): array
    {
        if ($hasDebugInfo) {
            try {
                $debugInfo = $obj->__debugInfo();
            } catch (\Exception $e) {
                // ignore failing __debugInfo()
                $hasDebugInfo = false;
            }
        }

        $a = $obj instanceof \Closure ? [] : (array) $obj;