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<?php |
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/** |
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* This file is part of the WrikePhpLibrary package. |
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* |
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* (c) Zbigniew Ślązak |
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* |
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* For the full copyright and license information, please view the LICENSE |
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* file that was distributed with this source code. |
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*/ |
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namespace Zibios\WrikePhpLibrary\Enum; |
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/** |
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* Abstract Enum |
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*/ |
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abstract class AbstractEnum |
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{ |
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/** |
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* @var array |
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*/ |
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protected static $cache = []; |
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/** |
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* @return array |
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*/ |
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public static function toArray() |
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{ |
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$class = get_called_class(); |
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if (!array_key_exists($class, static::$cache)) { |
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$reflection = new \ReflectionClass($class); |
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static::$cache[$class] = $reflection->getConstants(); |
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} |
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return static::$cache[$class]; |
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} |
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/** |
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* @return array|string[] |
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*/ |
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public static function getKeys() |
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{ |
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return array_keys(static::toArray()); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return string |
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* @throws \InvalidArgumentException |
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*/ |
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public static function getKey($value) |
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{ |
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self::assertIsValidValue($value); |
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return (string) array_search($value, static::toArray(), true); |
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} |
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/** |
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* @param string $key |
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* |
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* @return bool |
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*/ |
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public static function isValidKey($key) |
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{ |
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return array_key_exists($key, self::toArray()); |
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} |
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/** |
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* @param string $key |
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* |
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* @throws \InvalidArgumentException |
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*/ |
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public static function assertIsValidKey($key) |
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{ |
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if (self::isValidKey($key) === false) { |
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throw new \InvalidArgumentException('Wrong key.'); |
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} |
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} |
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/** |
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* @param string $key |
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* |
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* @return mixed |
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* @throws \InvalidArgumentException |
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*/ |
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public static function getValue($key) |
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{ |
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self::assertIsValidKey($key); |
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return static::toArray()[$key]; |
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} |
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/** |
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* @return array |
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*/ |
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public static function getValues() |
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{ |
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return array_values(self::toArray()); |
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} |
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/** |
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* @param mixed $value |
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* |
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* @return bool |
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*/ |
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public static function isValidValue($value) |
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{ |
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return in_array($value, static::toArray(), true); |
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} |
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/** |
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* @throws \InvalidArgumentException |
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* |
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* @param mixed $value |
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*/ |
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public static function assertIsValidValue($value) |
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{ |
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if (self::isValidValue($value) === false) { |
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throw new \InvalidArgumentException('Wrong value.'); |
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} |
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} |
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} |
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