How to Get Names of All Backed Enum Cases as an Array of Strings in PHP?

You can get all case names of a PHP backed enum as an array of strings in the following way:

  1. Call the static cases() method on the backed enum to get an array of all defined cases (in the order of declaration);
  2. Use array_column() on the resulting array of enums, and specify the name (public) property as the column key.

For example:

// PHP 8.1+
enum MyEnum: string
    case Foo = 'foo';
    case Bar = 'bar';
    case Baz = 'baz';

$enumsArr = MyEnum::cases();
$names = array_column($enumsArr, 'name');

var_dump($names); // ['Foo', 'Bar', 'Baz']

It works the same way for pure enums as well.

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