@@ -68,7 +68,7 @@ |
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| 68 | 68 | /** |
| 69 | 69 | * Get the receivers of the short message as concatenated string. |
| 70 | 70 | * |
| 71 | - * @param null $glue |
|
| 71 | + * @param string $glue |
|
| 72 | 72 | * @return string |
| 73 | 73 | */ |
| 74 | 74 | public function receiversString($glue = null) |