@@ -35,7 +35,7 @@ |
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35 | 35 | * @param mixed $old_state The return value of the previous call |
36 | 36 | * of this method, or false on the first call |
37 | 37 | * |
38 | - * @return mixed Returns false after last step, otherwise |
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38 | + * @return string|boolean Returns false after last step, otherwise |
|
39 | 39 | * temporary state which is passed as an |
40 | 40 | * argument to the next step |
41 | 41 | */ |