File "Stub.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\Cloner;
use Symfony\Component\VarDumper\Cloner\Internal\NoDefault;
/**
* Represents the main properties of a PHP variable.
*
* @author Nicolas Grekas <p@tchwork.com>
*/
class Stub
{
public const TYPE_REF = 1;
public const TYPE_STRING = 2;
public const TYPE_ARRAY = 3;
public const TYPE_OBJECT = 4;
public const TYPE_RESOURCE = 5;
public const TYPE_SCALAR = 6;
public const STRING_BINARY = 1;
public const STRING_UTF8 = 2;
public const ARRAY_ASSOC = 1;
public const ARRAY_INDEXED = 2;
public int $type = self::TYPE_REF;
public string|int|null $class = '';
public mixed $value = null;
public int $cut = 0;
public int $handle = 0;
public int $refCount = 0;
public int $position = 0;
public array $attr = [];
private static array $defaultProperties = [];
/**
* @internal
*/
public function __sleep(): array
{
$properties = [];
if (!isset(self::$defaultProperties[$c = static::class])) {
$reflection = new \ReflectionClass($c);
self::$defaultProperties[$c] = [];
foreach ($reflection->getProperties() as $p) {
if ($p->isStatic()) {
continue;
}
self::$defaultProperties[$c][$p->name] = $p->hasDefaultValue() ? $p->getDefaultValue() : ($p->hasType() ? NoDefault::NoDefault : null);
}
}
foreach (self::$defaultProperties[$c] as $k => $v) {
if (NoDefault::NoDefault === $v || $this->$k !== $v) {
$properties[] = $k;
}
}
return $properties;
}
}