Take advantage of Str::headline() to make things cleaner and cover more use cases

[secretstashnetwork]

By using headline we can handle natural delimiters like ' ' and '-' automatically, as well as the leading number issue somebody mentioned. Then we can just explode by space, and grab the first column of each character array.

Str::macro('acronym', function ($str) {
            return static::of($str)
                         ->headline()
                         ->explode(' ')
                         ->map(fn($word) => str_split($word)[0] ?? '')
                         ->implode('');
});