49 lines
831 B
PHP
49 lines
831 B
PHP
|
<?php
|
||
|
|
/**
|
||
|
|
* Ion
|
||
|
|
*
|
||
|
|
* Building blocks for web development
|
||
|
|
*
|
||
|
|
* @package Ion
|
||
|
|
* @author Timothy J. Warren
|
||
|
|
* @copyright Copyright (c) 2015 - 2016
|
||
|
|
* @license MIT
|
||
|
|
*/
|
||
|
|
|
||
|
|
namespace Aviat\Ion;
|
||
|
|
|
||
|
|
use ReflectionClass;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Class emulating an enumeration type
|
||
|
|
*
|
||
|
|
* @method bool isValid(mixed $key)
|
||
|
|
* @method array getConstList()
|
||
|
|
*/
|
||
|
|
abstract class Enum {
|
||
|
|
|
||
|
|
use StaticInstance;
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Return the list of constant values for the Enum
|
||
|
|
*
|
||
|
|
* @return array
|
||
|
|
*/
|
||
|
|
protected function getConstList()
|
||
|
|
{
|
||
|
|
$reflect = new ReflectionClass($this);
|
||
|
|
return $reflect->getConstants();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Verify that a constant value is valid
|
||
|
|
* @param mixed $key
|
||
|
|
* @return boolean
|
||
|
|
*/
|
||
|
|
protected function isValid($key)
|
||
|
|
{
|
||
|
|
$values = array_values($this->getConstList());
|
||
|
|
return in_array($key, $values);
|
||
|
|
}
|
||
|
|
}
|
||
|
|
// End of Enum.php
|