symfony
diff --git a/‎src/Symfony/Component/Cache/Traits/AbstractTrait.php
Lines changed: 19 additions & 6 deletions b/‎src/Symfony/Component/Cache/Traits/AbstractTrait.php
Lines changed: 19 additions & 6 deletions
@@ -119,13 +119,16 @@ public function clear(/*string $prefix = ''*/)
                 }
             }
             $namespaceToClear = $this->namespace.$namespaceVersionToClear;
-            $namespaceVersion = strtr(substr_replace(base64_encode(pack('V', mt_rand())), static::NS_SEPARATOR, 5), '/', '_');
+            $namespaceVersion = self::formatNamespaceVersion(mt_rand());
             try {
-                $cleared = $this->doSave([static::NS_SEPARATOR.$this->namespace => $namespaceVersion], 0);
+                $e = $this->doSave([static::NS_SEPARATOR.$this->namespace => $namespaceVersion], 0);
             } catch (\Exception $e) {
-                $cleared = false;
             }
-            if ($cleared = true === $cleared || [] === $cleared) {
+            if (true !== $e && [] !== $e) {
+                $cleared = false;
+                $message = 'Failed to save the new namespace'.($e instanceof \Exception ? ': '.$e->getMessage() : '.');
+                CacheItem::log($this->logger, $message, ['exception' => $e instanceof \Exception ? $e : null]);
+            } else {
                 $this->namespaceVersion = $namespaceVersion;
                 $this->ids = [];
             }
@@ -267,12 +270,17 @@ private function getId($key): string
                 foreach ($this->doFetch([static::NS_SEPARATOR.$this->namespace]) as $v) {
                     $this->namespaceVersion = $v;
                 }
+                $e = true;
                 if ('1'.static::NS_SEPARATOR === $this->namespaceVersion) {
-                    $this->namespaceVersion = strtr(substr_replace(base64_encode(pack('V', time())), static::NS_SEPARATOR, 5), '/', '_');
-                    $this->doSave([static::NS_SEPARATOR.$this->namespace => $this->namespaceVersion], 0);
+                    $this->namespaceVersion = self::formatNamespaceVersion(time());
+                    $e = $this->doSave([static::NS_SEPARATOR.$this->namespace => $this->namespaceVersion], 0);
                 }
             } catch (\Exception $e) {
             }
+            if (true !== $e && [] !== $e) {
+                $message = 'Failed to save the new namespace'.($e instanceof \Exception ? ': '.$e->getMessage() : '.');
+                CacheItem::log($this->logger, $message, ['exception' => $e instanceof \Exception ? $e : null]);
+            }
         }
 
         if (\is_string($key) && isset($this->ids[$key])) {
@@ -304,4 +312,9 @@ public static function handleUnserializeCallback($class)
     {
         throw new \DomainException('Class not found: '.$class);
     }
+
+    private static function formatNamespaceVersion(int $value): string
+    {
+        return strtr(substr_replace(base64_encode(pack('V', $value)), static::NS_SEPARATOR, 5), '/', '_');
+    }
 }
Original file line number	Diff line number	Diff line change
`@@ -119,13 +119,16 @@ public function clear(/string $prefix = ''/)`
`119`	`119`	`}`
`120`	`120`	`}`
`121`	`121`	`$namespaceToClear = $this->namespace.$namespaceVersionToClear;`
`122`		`- $namespaceVersion = strtr(substr_replace(base64_encode(pack('V', mt_rand())), static::NS_SEPARATOR, 5), '/', '_');`
	`122`	`+ $namespaceVersion = self::formatNamespaceVersion(mt_rand());`
`123`	`123`	`try {`
`124`		`- $cleared = $this->doSave([static::NS_SEPARATOR.$this->namespace => $namespaceVersion], 0);`
	`124`	`+ $e = $this->doSave([static::NS_SEPARATOR.$this->namespace => $namespaceVersion], 0);`
`125`	`125`	`} catch (\Exception $e) {`
`126`		`- $cleared = false;`
`127`	`126`	`}`
`128`		`- if ($cleared = true === $cleared \|\| [] === $cleared) {`
	`127`	`+ if (true !== $e && [] !== $e) {`
	`128`	`+ $cleared = false;`
	`129`	`+ $message = 'Failed to save the new namespace'.($e instanceof \Exception ? ': '.$e->getMessage() : '.');`
	`130`	`+ CacheItem::log($this->logger, $message, ['exception' => $e instanceof \Exception ? $e : null]);`
	`131`	`+ } else {`
`129`	`132`	`$this->namespaceVersion = $namespaceVersion;`
`130`	`133`	`$this->ids = [];`
`131`	`134`	`}`
`@@ -267,12 +270,17 @@ private function getId($key): string`
`267`	`270`	`foreach ($this->doFetch([static::NS_SEPARATOR.$this->namespace]) as $v) {`
`268`	`271`	`$this->namespaceVersion = $v;`
`269`	`272`	`}`
	`273`	`+ $e = true;`
`270`	`274`	`if ('1'.static::NS_SEPARATOR === $this->namespaceVersion) {`
`271`		`- $this->namespaceVersion = strtr(substr_replace(base64_encode(pack('V', time())), static::NS_SEPARATOR, 5), '/', '_');`
`272`		`- $this->doSave([static::NS_SEPARATOR.$this->namespace => $this->namespaceVersion], 0);`
	`275`	`+ $this->namespaceVersion = self::formatNamespaceVersion(time());`
	`276`	`+ $e = $this->doSave([static::NS_SEPARATOR.$this->namespace => $this->namespaceVersion], 0);`
`273`	`277`	`}`
`274`	`278`	`} catch (\Exception $e) {`
`275`	`279`	`}`
	`280`	`+ if (true !== $e && [] !== $e) {`
	`281`	`+ $message = 'Failed to save the new namespace'.($e instanceof \Exception ? ': '.$e->getMessage() : '.');`
	`282`	`+ CacheItem::log($this->logger, $message, ['exception' => $e instanceof \Exception ? $e : null]);`
	`283`	`+ }`
`276`	`284`	`}`
`277`	`285`
`278`	`286`	`if (\is_string($key) && isset($this->ids[$key])) {`
`@@ -304,4 +312,9 @@ public static function handleUnserializeCallback($class)`
`304`	`312`	`{`
`305`	`313`	`throw new \DomainException('Class not found: '.$class);`
`306`	`314`	`}`
	`315`	`+`
	`316`	`+ private static function formatNamespaceVersion(int $value): string`
	`317`	`+ {`
	`318`	`+ return strtr(substr_replace(base64_encode(pack('V', $value)), static::NS_SEPARATOR, 5), '/', '_');`
	`319`	`+ }`
`307`	`320`	`}`