Merge branch 'hotline_cache_key_force_string' into 'master'

add function getAllCacheKeys() an cache volatile

See merge request !64

src/Storm/Cache/Volatile.php

 <?php
 /*
-STORM is under the MIT License (MIT)
+  STORM is under the MIT License (MIT)
 
-Copyright (c) 2010-2011 Agence Française Informatique http://www.afi-sa.fr
+  Copyright (c) 2010-2011 Agence Française Informatique http://www.afi-sa.fr
 
-Permission is hereby granted, free of charge, to any person obtaining a copy
-of this software and associated documentation files (the "Software"), to deal
-in the Software without restriction, including without limitation the rights
-to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
-copies of the Software, and to permit persons to whom the Software is
-furnished to do so, subject to the following conditions:
+  Permission is hereby granted, free of charge, to any person obtaining a copy
+  of this software and associated documentation files (the "Software"), to deal
+  in the Software without restriction, including without limitation the rights
+  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+  copies of the Software, and to permit persons to whom the Software is
+  furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
+  The above copyright notice and this permission notice shall be included in
+  all copies or substantial portions of the Software.
 
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
-IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
-FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
-AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
-LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
+  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+  THE SOFTWARE.
 
 */
 
@@ -31,11 +31,13 @@ class Storm_Cache_Volatile {
     return $this->test($key) ? $this->_cache[$key] : false;
   }
 
+
   public function save($data, $key){
     $this->_cache[$key] = $data;
     return true;
   }
 
+
   public function remove($key) {
     if (!$this->test($key))
       return false;
@@ -44,18 +46,24 @@ class Storm_Cache_Volatile {
     return true;
   }
 
+
   public function test($key) {
     return array_key_exists($key, $this->_cache);
   }
 
+
   public function getOption($name) {
     return 0;
   }
 
+
   public function clean() {
     $this->_cache = [];
     return true;
   }
-}
 
-?>
+
\ No newline at end of file
+  public function getAllCacheKeys() :array {
+    return array_keys($this->_cache);
+  }
+}