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