@@ -339,7 +339,7 @@ |
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339 | 339 | |
340 | 340 | /** |
341 | 341 | * Deletes a value with the specified key from cache |
342 | - * @param mixed $key a key identifying the value to be deleted from cache. This can be a simple string or |
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342 | + * @param string $key a key identifying the value to be deleted from cache. This can be a simple string or |
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343 | 343 | * a complex data structure consisting of factors representing the key. |
344 | 344 | * @return bool if no error happens during deletion |
345 | 345 | */ |