remove FilenameUtils (dustin10#1338)

UPGRADE.md

@@ -1,3 +1,7 @@
+# Upgrading from v2.0.1 to v2.1.0
+
+* the internal class `FilenameUtils` has been removed.
+
 # Upgrading from v1 to v2.0.0
 
 * every class marked as `@final` is now final

src/Util/Transliterator.php

@@ -3,6 +3,9 @@
 namespace Vich\UploaderBundle\Util;
 
 use Symfony\Component\String\Slugger\SluggerInterface;
+use function strrpos;
+use function strtolower;
+use function substr;
 
 /**
  * @internal
@@ -18,12 +21,26 @@ public function __construct(private readonly SluggerInterface $slugger)
      */
     public function transliterate(string $string, string $separator = '-'): string
     {
-        [$filename, $extension] = FilenameUtils::spitNameByExtension($string);
+        [$filename, $extension] = $this->splitNameByExtension($string);
         $transliterated = $this->slugger->slug($filename, $separator);
         if ('' !== $extension) {
             $transliterated .= '.'.$extension;
         }
 
-        return \strtolower($transliterated);
+        return strtolower($transliterated);
+    }
+
+    /**
+     * Splits filename for array of basename and extension.
+     *
+     * @return array An array of basename and extension
+     */
+    private function splitNameByExtension(string $filename): array
+    {
+        if (false === $pos = strrpos($filename, '.')) {
+            return [$filename, ''];
+        }
+
+        return [substr($filename, 0, $pos), substr($filename, $pos + 1)];
     }
 }