Add note that flush() clears everything

Especially irrespective of the prefix. I just nuked our production redis database (used for Resque) because of this behavior (I'm calling `php artisan clear:cache` on every deploy). See laravel/framework#5034 for "prior art".
Sheby · Sep 3, 2015 · fd76265 · fd76265
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commit fd76265
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/cache.md b/cache.md
@@ -189,6 +189,12 @@ You may remove items from the cache using the `forget` method on the `Cache` fac
 
     Cache::forget('key');
 
+You can also clear the whole caching using the `flush` method:
+
+    Cache::flush();
+
+> **Note:** Flushing the cache **will not** respect the prefix and will remove all entries in the cache. Consider this when using e.g. Redis databases which may be shared with other application (Queueing, etc.).
+
 <a name="adding-custom-cache-drivers"></a>
 ## Adding Custom Cache Drivers