(fix): default:

library/Zend/Console/Getopt.php

@@ -789,7 +789,7 @@ class Zend_Console_Getopt
         $realFlag = $this->_ruleMap[$flag];
         switch ($this->_rules[$realFlag]['param']) {
             case 'required':
-                if (count($argv) > 0) {
+                if (count($argv) > 0 && substr($argv[0], 0, 1) != '-') {
                     $param = array_shift($argv);
                     $this->_checkParameterType($realFlag, $param);
                 } else {