Upgrade to 3.2.0

kirby/src/Toolkit/Mime.php

@@ -12,8 +12,9 @@ use SimpleXMLElement;
  *
  * @package   Kirby Toolkit
  * @author    Bastian Allgeier <bastian@getkirby.com>
- * @link      http://getkirby.com
- * @copyright Bastian Allgeier
+ * @link      https://getkirby.com
+ * @copyright Bastian Allgeier GmbH
+ * @license   https://opensource.org/licenses/MIT
  */
 class Mime
 {
@@ -254,6 +255,31 @@ class Mime
         return false;
     }
 
+    /**
+     * Returns all available extensions for a given mime type
+     *
+     * @param string|null $mime
+     * @return array
+     */
+    public static function toExtensions(string $mime = null): array
+    {
+        $extensions = [];
+
+        foreach (static::$types as $key => $value) {
+            if (is_array($value) === true && in_array($mime, $value) === true) {
+                $extensions[] = $key;
+                continue;
+            }
+
+            if ($value === $mime) {
+                $extensions[] = $key;
+                continue;
+            }
+        }
+
+        return $extensions;
+    }
+
     /**
      * Returns the mime type of a file
      *