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Example code of wscore/enum

Informations about the package enum

Enumerated Class

Enum and list implementation

Licence

MIT License

Installation

Sample Code

create a EnumList class

The intended way of creating a enumerated class is,

  1. define constants,
  2. define static $choices array.

as in the example below.

The $choices variable defines available values along side with labels (i.e. human readable string).

get enumerated object

static function, enum, returns an instantiated enumerated object, which is EnumInterface

enum list and keys

Use static methods such as, choices(), keys(), or flipped(), to get the list of available enum values and keys, that may be used for validating inputs.

subset of choices

In some use cases, you may need to restrict the selectable values. For instance, the ActiveList class below, has 3 statuses but may want to restrict to only 2 options for the end-user, as defined in in userChoice.

To get the available choices,

really restricting use of list

To really limit choices to the subset of the original static::$choices...

then, the following code will throw an \InvalidArgumentException.

All versions of enum with dependencies

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