Phan\Language\FQSEN\FullyQualifiedClassElement::fromFullyQualifiedString PHP Method

    public static function fromFullyQualifiedString(string $fully_qualified_string)
    {
        assert(false !== strpos($fully_qualified_string, '::'), "Fully qualified class element lacks '::' delimiter");
        list($fully_qualified_class_name_string, $name_string) = explode('::', $fully_qualified_string);
        $fully_qualified_class_name = FullyQualifiedClassName::fromFullyQualifiedString($fully_qualified_class_name_string);
        // Make sure that we're actually getting a class
        // name reference back
        assert($fully_qualified_class_name instanceof FullyQualifiedClassName, "FQSEN must be an instanceof FullyQualifiedClassName");
        // Split off the alternate ID
        $parts = explode(',', $name_string);
        $name = $parts[0];
        $alternate_id = (int) ($parts[1] ?? 0);
        assert(is_int($alternate_id), "Alternate must be an integer");
        return static::make($fully_qualified_class_name, $name, $alternate_id);
    }