use the empty string instead of null as an array offset

xabbuh · xabbuh · commit 5b245bf538e4 · 2025-09-07T14:20:49.000+02:00
diff --git a/src/Symfony/Component/Mime/FileinfoMimeTypeGuesser.php b/src/Symfony/Component/Mime/FileinfoMimeTypeGuesser.php
@@ -53,7 +53,7 @@ public function guessMimeType(string $path): ?string
         }
 
         try {
-            $finfo = self::$finfoCache[$this->magicFile] ??= new \finfo(\FILEINFO_MIME_TYPE, $this->magicFile);
+            $finfo = self::$finfoCache[$this->magicFile ?? ''] ??= new \finfo(\FILEINFO_MIME_TYPE, $this->magicFile);
         } catch (\Exception $e) {
             throw new RuntimeException($e->getMessage());
         }

Original file line number	Diff line number	Diff line change
`@@ -53,7 +53,7 @@ public function guessMimeType(string $path): ?string`
`53`	`53`	`}`
`54`	`54`
`55`	`55`	`try {`
`56`		`- $finfo = self::$finfoCache[$this->magicFile] ??= new \finfo(\FILEINFO_MIME_TYPE, $this->magicFile);`
	`56`	`+ $finfo = self::$finfoCache[$this->magicFile ?? ''] ??= new \finfo(\FILEINFO_MIME_TYPE, $this->magicFile);`
`57`	`57`	`} catch (\Exception $e) {`
`58`	`58`	`throw new RuntimeException($e->getMessage());`
`59`	`59`	`}`