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<?php |
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namespace MadWeb\Enum; |
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use MadWeb\Enum\Rules\EnumRule; |
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use MyCLabs\Enum\Enum as MyCLabsEnum; |
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abstract class Enum extends MyCLabsEnum |
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{ |
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/** |
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* Default enum value. |
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*/ |
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const __default = null; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function __construct($value = null) |
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{ |
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if (is_null($value)) { |
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$value = static::__default; |
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} |
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parent::__construct($value); |
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} |
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public static function randomKey(): string |
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{ |
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$keys = self::keys(); |
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return $keys[array_rand($keys)]; |
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} |
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public static function randomValue(): string |
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{ |
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$values = self::values(); |
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return $values[array_rand($values)]; |
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} |
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public function label(): string |
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{ |
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return self::getLabel($this->getValue()); |
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} |
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public static function labels(): array |
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{ |
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$result = []; |
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foreach (static::toArray() as $value) { |
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$result[$value] = static::getLabel($value); |
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} |
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return $result; |
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} |
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private static function getLabel(string $value): string |
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{ |
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$lang_key = sprintf( |
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'%s.%s.%s', |
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config('enum.lang_file_path'), |
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static::class, |
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$value |
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); |
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return trans()->has($lang_key) ? __($lang_key) : $value; |
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} |
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public function is($value) |
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{ |
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if (is_iterable($value)) { |
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return $this->isAny($value); |
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} |
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return $this->getValue() === ($value instanceof self ? $value->getValue() : $value); |
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} |
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public function isAny(iterable $values) |
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{ |
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foreach ($values as $value) { |
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if ($this->is($value)) { |
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return true; |
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} |
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} |
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return false; |
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} |
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public static function toArray(bool $include_default = false): array |
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{ |
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$result = parent::toArray(); |
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if (! $include_default) { |
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unset($result['__default']); |
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} |
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return $result; |
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} |
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/** |
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* Returns all consts (possible values) as an array according to `SplEnum` class. |
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*/ |
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public function getConstList(bool $include_default = false): array |
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{ |
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return static::toArray($include_default); |
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} |
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/** |
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* Returns the validation rule (to validate by value). |
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* |
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* @return EnumRule |
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*/ |
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public static function rule(): EnumRule |
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{ |
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return new EnumRule(static::class, false); |
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} |
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/** |
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* Returns the validation rule (to validate by key). |
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* |
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* @return EnumRule |
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*/ |
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public static function ruleByKey(): EnumRule |
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{ |
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return new EnumRule(static::class, true); |
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} |
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} |
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Let’s assume you have a class which uses late-static binding:
}
The code above will run fine in your PHP runtime. However, if you now create a sub-class and call the
getSomeVariable()
on that sub-class, you will receive a runtime error:In the case above, it makes sense to update
SomeClass
to useself
instead: