Nullable fix

Author: DanielEScherzer

src/Tokenizers/PHP.php

@@ -2235,6 +2235,7 @@ protected function tokenize($string)
                     if ($tokenType === T_FUNCTION
                         || $tokenType === T_FN
                         || isset(Tokens::$methodPrefixes[$tokenType]) === true
+                        || isset(Tokens::$scopeModifiers[$tokenType]) === true
                         || $tokenType === T_VAR
                         || $tokenType === T_READONLY
                     ) {