Fix for #36715

symfony · May 5, 2020 · b8a1194 · b8a1194
1 parent 5c24718
commit b8a1194
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Showing 2 changed files with 15 additions and 2 deletions.
diff --git a/src/Symfony/Component/Mime/MimeTypes.php b/src/Symfony/Component/Mime/MimeTypes.php
@@ -48,10 +48,11 @@ final class MimeTypes implements MimeTypesInterface
     public function __construct(array $map = [])
     {
         foreach ($map as $mimeType => $extensions) {
-            $this->extensions[$mimeType] = $extensions;
+            $this->extensions[$mimeType] = is_string($extensions) ? [$extensions] : $extensions;
 
             foreach ($extensions as $extension) {
-                $this->mimeTypes[$extension] = $mimeType;
+                $this->mimeTypes[$extension] = $this->mimeTypes[$extension] ?? [];
+                array_push($this->mimeTypes[$extension], $mimeType);
             }
         }
         $this->registerGuesser(new FileBinaryMimeTypeGuesser());

diff --git a/src/Symfony/Component/Mime/Tests/MimeTypesTest.php b/src/Symfony/Component/Mime/Tests/MimeTypesTest.php
@@ -62,4 +62,16 @@ public function testGetMimeTypes()
         $this->assertContains('image/svg', $mt->getMimeTypes('svg'));
         $this->assertSame([], $mt->getMimeTypes('symfony'));
     }
+
+
+    public function testCustomMimeTypes()
+    {
+        $mt = new MimeTypes([
+            'text/bar' => "foo",
+            'text/baz' => ["foo", "moof"]
+        ]);
+        $this->assertContains('text/bar', $mt->getMimeTypes('foo'));
+        $this->assertContains('text/baz', $mt->getMimeTypes('foo'));
+        $this->assertSame(["foo", "moof"], $mt->getExtensions('text/baz'));
+    }
 }