HummingBirdAnimeClient/src/Ion/Enum.php

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<?php declare(strict_types=1);
/**
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* Hummingbird Anime List Client
*
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* An API client for Kitsu to manage anime and manga watch lists
*
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* PHP version 8
*
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* @package HummingbirdAnimeClient
* @author Timothy J. Warren <tim@timshomepage.net>
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* @copyright 2015 - 2021 Timothy J. Warren
* @license http://www.opensource.org/licenses/mit-license.html MIT License
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* @version 5.2
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* @link https://git.timshomepage.net/timw4mail/HummingBirdAnimeClient
*/
namespace Aviat\Ion;
use ReflectionClass;
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use ReflectionException;
/**
* Class emulating an enumeration type
*/
abstract class Enum
{
/**
* Return the list of constant values for the Enum
*
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* @throws ReflectionException
*/
public static function getConstList(): array
{
static $self;
if ($self === NULL)
{
$class = static::class;
$self = new $class();
}
$reflect = new ReflectionClass($self);
return $reflect->getConstants();
}
/**
* Verify that a constant value is valid
*
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* @throws ReflectionException
*/
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public static function isValid(mixed $key): bool
{
$values = array_values(static::getConstList());
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return in_array($key, $values, TRUE);
}
}
// End of Enum.php