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<?php |
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/** |
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* This file is part of RussianPost SDK package. |
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* |
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* © Appwilio (http://appwilio.com), greabock (https://github.com/greabock), JhaoDa (https://github.com/jhaoda) |
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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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declare(strict_types=1); |
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namespace Appwilio\RussianPostSDK\Core; |
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abstract class Enum implements \JsonSerializable |
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{ |
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protected static $cache = []; |
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protected $value; |
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public function __construct($value) |
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{ |
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if ($value instanceof static) { |
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$value = $value->getValue(); |
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} |
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if (! \in_array($value, static::toArray(), true)) { |
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throw new \UnexpectedValueException("Value '$value' is not part of the enum ".static::class); |
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} |
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$this->value = $value; |
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} |
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public static function toArray(): array |
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{ |
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$class = static::class; |
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if (! isset(static::$cache[$class])) { |
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static::$cache[$class] = (new \ReflectionClass($class))->getConstants(); |
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} |
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return static::$cache[$class]; |
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} |
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public static function __callStatic($name, $arguments) |
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{ |
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$options = static::toArray(); |
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if (isset($options[$name]) || \array_key_exists($name, $options)) { |
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return new static($options[$name]); |
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} |
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throw new \BadMethodCallException("No static method or enum constant '$name' in class ".static::class); |
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} |
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public function jsonSerialize() |
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{ |
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return $this->getValue(); |
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} |
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public function __toString(): string |
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{ |
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return (string) $this->getValue(); |
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} |
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final public function equals(Enum $other): bool |
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{ |
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return $this === $other || (\get_class($other) === static::class && $this->value === $other->value); |
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} |
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final public function getValue() |
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{ |
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return $this->value; |
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} |
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final public function __clone() |
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{ |
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throw new \LogicException('Enums are not cloneable'); |
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} |
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} |
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appwilio /
russianpost-sdk
