symfony
diff --git a/‎src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
Lines changed: 12 additions & 6 deletions b/‎src/Symfony/Component/Cache/Adapter/TagAwareAdapter.php
Lines changed: 12 additions & 6 deletions
@@ -177,9 +177,10 @@ public function hasItem($key)
         }
 
         foreach ($this->getTagVersions([$itemTags]) as $tag => $version) {
-            if ($itemTags[$tag] !== $version && 1 !== $itemTags[$tag] - $version) {
-                return false;
+            if ($itemTags[$tag] === $version || \is_int($itemTags[$tag] && \is_int($version) && 1 === $itemTags[$tag] - $version)) {
+                continue;
             }
+            return false;
         }
 
         return true;
@@ -366,10 +367,11 @@ private function generateItems(iterable $items, array $tagKeys)
 
                 foreach ($itemTags as $key => $tags) {
                     foreach ($tags as $tag => $version) {
-                        if ($tagVersions[$tag] !== $version && 1 !== $version - $tagVersions[$tag]) {
-                            unset($itemTags[$key]);
-                            continue 2;
+                        if ($tagVersions[$tag] === $version || \is_int($version) && \is_int($tagVersions[$tag]) && 1 === $version - $tagVersions[$tag]) {
+                            continue;
                         }
+                        unset($itemTags[$key]);
+                        continue 2;
                     }
                 }
                 $tagVersions = $tagKeys = null;
@@ -408,7 +410,7 @@ private function getTagVersions(array $tagsByKey, array &$invalidatedTags = [])
         $tags = [];
         foreach ($tagVersions as $tag => $version) {
             $tags[$tag.static::TAGS_PREFIX] = $tag;
-            if ($fetchTagVersions || !isset($this->knownTagVersions[$tag])) {
+            if ($fetchTagVersions || !isset($this->knownTagVersions[$tag]) || !\is_int($version)) {
                 $fetchTagVersions = true;
                 continue;
             }
@@ -430,6 +432,10 @@ private function getTagVersions(array $tagsByKey, array &$invalidatedTags = [])
             if (isset($invalidatedTags[$tag])) {
                 $invalidatedTags[$tag] = $version->set(++$tagVersions[$tag]);
             }
+            if (!\is_int($tagVersions[$tag])) {
+                unset($this->knownTagVersions[$tag]);
+                continue;
+            }
             $this->knownTagVersions[$tag] = [$now, $tagVersions[$tag]];
         }
Original file line number	Diff line number	Diff line change
`@@ -177,9 +177,10 @@ public function hasItem($key)`
`177`	`177`	`}`
`178`	`178`
`179`	`179`	`foreach ($this->getTagVersions([$itemTags]) as $tag => $version) {`
`180`		`- if ($itemTags[$tag] !== $version && 1 !== $itemTags[$tag] - $version) {`
`181`		`- return false;`
	`180`	`+ if ($itemTags[$tag] === $version \|\| \is_int($itemTags[$tag] && \is_int($version) && 1 === $itemTags[$tag] - $version)) {`
	`181`	`+ continue;`
`182`	`182`	`}`
	`183`	`+ return false;`
`183`	`184`	`}`
`184`	`185`
`185`	`186`	`return true;`
`@@ -366,10 +367,11 @@ private function generateItems(iterable $items, array $tagKeys)`
`366`	`367`
`367`	`368`	`foreach ($itemTags as $key => $tags) {`
`368`	`369`	`foreach ($tags as $tag => $version) {`
`369`		`- if ($tagVersions[$tag] !== $version && 1 !== $version - $tagVersions[$tag]) {`
`370`		`- unset($itemTags[$key]);`
`371`		`- continue 2;`
	`370`	`+ if ($tagVersions[$tag] === $version \|\| \is_int($version) && \is_int($tagVersions[$tag]) && 1 === $version - $tagVersions[$tag]) {`
	`371`	`+ continue;`
`372`	`372`	`}`
	`373`	`+ unset($itemTags[$key]);`
	`374`	`+ continue 2;`
`373`	`375`	`}`
`374`	`376`	`}`
`375`	`377`	`$tagVersions = $tagKeys = null;`
`@@ -408,7 +410,7 @@ private function getTagVersions(array $tagsByKey, array &$invalidatedTags = [])`
`408`	`410`	`$tags = [];`
`409`	`411`	`foreach ($tagVersions as $tag => $version) {`
`410`	`412`	`$tags[$tag.static::TAGS_PREFIX] = $tag;`
`411`		`- if ($fetchTagVersions \|\| !isset($this->knownTagVersions[$tag])) {`
	`413`	`+ if ($fetchTagVersions \|\| !isset($this->knownTagVersions[$tag]) \|\| !\is_int($version)) {`
`412`	`414`	`$fetchTagVersions = true;`
`413`	`415`	`continue;`
`414`	`416`	`}`
`@@ -430,6 +432,10 @@ private function getTagVersions(array $tagsByKey, array &$invalidatedTags = [])`
`430`	`432`	`if (isset($invalidatedTags[$tag])) {`
`431`	`433`	`$invalidatedTags[$tag] = $version->set(++$tagVersions[$tag]);`
`432`	`434`	`}`
	`435`	`+ if (!\is_int($tagVersions[$tag])) {`
	`436`	`+ unset($this->knownTagVersions[$tag]);`
	`437`	`+ continue;`
	`438`	`+ }`
`433`	`439`	`$this->knownTagVersions[$tag] = [$now, $tagVersions[$tag]];`
`434`	`440`	`}`
`435`	`441`