Stringy\Stringy::toUpperCase PHP Метод

Converts all characters in the string to uppercase. An alias for PHP's mb_strtoupper().

public toUpperCase ( ) : Stringy
Результат	Stringy	Object with all characters of $str being uppercase

    public function toUpperCase()
    {
        $str = \mb_strtoupper($this->str, $this->encoding);
        return static::create($str, $this->encoding);
    }

Stringy\Stringy::toUpperCase PHP Метод

toUpperCase() публичный метод