@@ -271,7 +271,7 @@ |
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271 | 271 | /** |
272 | 272 | * Test that number is valid for this context. |
273 | 273 | * |
274 | - * @param mixed $num |
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274 | + * @param string $num |
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275 | 275 | * @return boolean |
276 | 276 | */ |
277 | 277 | private static function _validateNumber($num) |