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<?php
declare(strict_types=1);
/**
* This file is part of phpDocumentor.
*
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @link http://phpdoc.org
*/
namespace phpDocumentor\Reflection\Types;
use phpDocumentor\Reflection\Fqsen;
use phpDocumentor\Reflection\Type;
/**
* Represents a collection type as described in the PSR-5, the PHPDoc Standard.
*
* A collection can be represented in two forms:
*
* 1. `ACollectionObject<aValueType>`
* 2. `ACollectionObject<aValueType,aKeyType>`
*
* - ACollectionObject can be 'array' or an object that can act as an array
* - aValueType and aKeyType can be any type expression
*
* @psalm-immutable
*/
final class Collection extends AbstractList
{
/** @var Fqsen|null */
private $fqsen;
/**
* Initializes this representation of an array with the given Type or Fqsen.
*/
public function __construct(?Fqsen $fqsen, Type $valueType, ?Type $keyType = null)
{
parent::__construct($valueType, $keyType);
$this->fqsen = $fqsen;
}
/**
* Returns the FQSEN associated with this object.
*/
public function getFqsen(): ?Fqsen
{
return $this->fqsen;
}
/**
* Returns a rendered output of the Type as it would be used in a DocBlock.
*/
public function __toString(): string
{
$objectType = (string) ($this->fqsen ?? 'object');
if ($this->keyType === null) {
return $objectType . '<' . $this->valueType . '>';
}
return $objectType . '<' . $this->keyType . ',' . $this->valueType . '>';
}
}
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