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<?php
namespace Kambo\Enum;
/**
* Base class for enumeration.
* Enum is created by extending this class and adding class constants.
*
* @author Bohuslav Simek <[email protected]>
* @license MIT
* @package Kambo\Enum
*/
abstract class Enum
{
* Store existing constants in a static cache per object.
* @var array
private static $cache = [];
* Returns instances of the Enum class of all Enum constants
* @return array Constant name in key, Enum instance in value
public static function values()
return self::toArray();
}
* Returns all possible values as an array
* @return array Constant name in key, constant value in value
public static function toArray()
$class = get_called_class();
if (!array_key_exists($class, self::$cache)) {
$reflection = new \ReflectionClass($class);
self::$cache[$class] = $reflection->getConstants();
return self::$cache[$class];
* Check if a value is in enum
* @return boolean True if the value is in enum false if not
public static function inEnum($value)
$allItems = array_flip(self::toArray());
return isset($allItems[$value]) ? true : false;
kambo-1st /
Enum
