[5.8] Honor PSR-16 SimpleCache interface

src/Illuminate/Cache/ApcStore.php

@@ -54,11 +54,11 @@ public function get($key)
      * @param  string  $key
      * @param  mixed   $value
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes)
     {
-        $this->apc->put($this->prefix.$key, $value, (int) ($minutes * 60));
+        return $this->apc->put($this->prefix.$key, $value, (int) ($minutes * 60));
     }
 
     /**
@@ -90,11 +90,11 @@ public function decrement($key, $value = 1)
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
-        $this->put($key, $value, 0);
+        return $this->put($key, $value, 0);
     }
 
     /**

src/Illuminate/Cache/ArrayStore.php

@@ -30,11 +30,13 @@ public function get($key)
      * @param  string  $key
      * @param  mixed   $value
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes)
     {
         $this->storage[$key] = $value;
+
+        return true;
     }
 
     /**
@@ -69,11 +71,11 @@ public function decrement($key, $value = 1)
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
-        $this->put($key, $value, 0);
+        return $this->put($key, $value, 0);
     }
 
     /**

src/Illuminate/Cache/DatabaseStore.php

@@ -89,7 +89,7 @@ public function get($key)
      * @param  string  $key
      * @param  mixed   $value
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes)
     {
@@ -100,9 +100,11 @@ public function put($key, $value, $minutes)
         $expiration = $this->getTime() + (int) ($minutes * 60);
 
         try {
-            $this->table()->insert(compact('key', 'value', 'expiration'));
+            return $this->table()->insert(compact('key', 'value', 'expiration'));
         } catch (Exception $e) {
-            $this->table()->where('key', $key)->update(compact('value', 'expiration'));
+            $result = $this->table()->where('key', $key)->update(compact('value', 'expiration'));
+
+            return $result > 0;
         }
     }
 
@@ -196,11 +198,11 @@ protected function getTime()
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
-        $this->put($key, $value, 5256000);
+        return $this->put($key, $value, 5256000);
     }
 
     /**

src/Illuminate/Cache/FileStore.php

@@ -55,15 +55,17 @@ public function get($key)
      * @param  string  $key
      * @param  mixed   $value
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes)
     {
         $this->ensureCacheDirectoryExists($path = $this->path($key));
 
-        $this->files->put(
+        $result = $this->files->put(
             $path, $this->expiration($minutes).serialize($value), true
         );
+
+        return $result !== false && $result > 0;
     }
 
     /**
@@ -112,11 +114,11 @@ public function decrement($key, $value = 1)
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
-        $this->put($key, $value, 0);
+        return $this->put($key, $value, 0);
     }
 
     /**

src/Illuminate/Cache/MemcachedStore.php

@@ -105,11 +105,11 @@ public function many(array $keys)
      * @param  string  $key
      * @param  mixed   $value
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes)
     {
-        $this->memcached->set(
+        return $this->memcached->set(
             $this->prefix.$key, $value, $this->calculateExpiration($minutes)
         );
     }
@@ -119,7 +119,7 @@ public function put($key, $value, $minutes)
      *
      * @param  array  $values
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function putMany(array $values, $minutes)
     {
@@ -129,7 +129,7 @@ public function putMany(array $values, $minutes)
             $prefixedValues[$this->prefix.$key] = $value;
         }
 
-        $this->memcached->setMulti(
+        return $this->memcached->setMulti(
             $prefixedValues, $this->calculateExpiration($minutes)
         );
     }
@@ -178,11 +178,11 @@ public function decrement($key, $value = 1)
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
-        $this->put($key, $value, 0);
+        return $this->put($key, $value, 0);
     }
 
     /**

src/Illuminate/Cache/NullStore.php

@@ -21,7 +21,7 @@ class NullStore extends TaggableStore
      */
     public function get($key)
     {
-        //
+        return null;
     }
 
     /**
@@ -30,11 +30,11 @@ public function get($key)
      * @param  string  $key
      * @param  mixed   $value
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes)
     {
-        //
+        return false;
     }
 
     /**
@@ -66,22 +66,22 @@ public function decrement($key, $value = 1)
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
-        //
+        return false;
     }
 
     /**
      * Remove an item from the cache.
      *
      * @param  string  $key
-     * @return void
+     * @return bool
      */
     public function forget($key)
     {
-        //
+        return true;
     }
 
     /**

src/Illuminate/Cache/RedisStore.php

@@ -85,31 +85,37 @@ public function many(array $keys)
      * @param  string  $key
      * @param  mixed   $value
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes)
     {
-        $this->connection()->setex(
+        $result = $this->connection()->setex(
             $this->prefix.$key, (int) max(1, $minutes * 60), $this->serialize($value)
         );
+
+        return $result ? true : false;
     }
 
     /**
      * Store multiple items in the cache for a given number of minutes.
      *
      * @param  array  $values
      * @param  float|int  $minutes
-     * @return void
+     * @return bool
      */
     public function putMany(array $values, $minutes)
     {
         $this->connection()->multi();
 
+        $resultMany = null;
         foreach ($values as $key => $value) {
-            $this->put($key, $value, $minutes);
+            $result = $this->put($key, $value, $minutes);
+            $resultMany = is_null($resultMany) ? $result : $result && $resultMany;
         }
 
         $this->connection()->exec();
+
+        return $resultMany ?: false;
     }
 
     /**
@@ -158,11 +164,13 @@ public function decrement($key, $value = 1)
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
-        $this->connection()->set($this->prefix.$key, $this->serialize($value));
+        $result = $this->connection()->set($this->prefix.$key, $this->serialize($value));
+
+        return $result ? true : false;
     }
 
     /**

src/Illuminate/Cache/RedisTaggedCache.php

@@ -23,13 +23,13 @@ class RedisTaggedCache extends TaggedCache
      * @param  string  $key
      * @param  mixed   $value
      * @param  \DateTime|float|int|null  $minutes
-     * @return void
+     * @return bool
      */
     public function put($key, $value, $minutes = null)
     {
         $this->pushStandardKeys($this->tags->getNamespace(), $key);
 
-        parent::put($key, $value, $minutes);
+        return parent::put($key, $value, $minutes);
     }
 
     /**
@@ -65,13 +65,13 @@ public function decrement($key, $value = 1)
      *
      * @param  string  $key
      * @param  mixed   $value
-     * @return void
+     * @return bool
      */
     public function forever($key, $value)
     {
         $this->pushForeverKeys($this->tags->getNamespace(), $key);
 
-        parent::forever($key, $value);
+        return parent::forever($key, $value);
     }
 
     /**