X-Git-Url: https://git.mxchange.org/?a=blobdiff_plain;f=src%2FUtil%2FImages.php;h=077509d3cb5e6e1c64105e2a7886bd131cf31be5;hb=71cf72cc8bde161471b2294c675fb0500dd48399;hp=8a810510f0489916363b98e1d397e430b602a9e0;hpb=7fb9e1c7c8f5f4887e44aadf6115b68c6cc66d03;p=friendica.git

diff --git a/src/Util/Images.php b/src/Util/Images.php
index 8a810510f0..077509d3cb 100644
--- a/src/Util/Images.php
+++ b/src/Util/Images.php
@@ -1,6 +1,6 @@
 <?php
 /**
- * @copyright Copyright (C) 2010-2021, the Friendica project
+ * @copyright Copyright (C) 2010-2022, the Friendica project
  *
  * @license GNU AGPL version 3 or any later version
  *
@@ -46,6 +46,30 @@ class Images
 		return $m;
 	}
 
+	/**
+	 * Return file extension for mime type
+	 * @param string $mimetype
+	 * @return string
+	 */
+	public static function getExtensionByMimeType(string $mimetype): string
+	{
+		switch ($mimetype) {
+			case 'image/png':
+				$imagetype = IMAGETYPE_PNG;
+				break;
+
+			case 'image/gif':
+				$imagetype = IMAGETYPE_GIF;
+				break;
+
+			default:
+				$imagetype = IMAGETYPE_JPEG;
+				break;
+		}
+
+		return image_type_to_extension($imagetype);
+	}
+
 	/**
 	 * Returns supported image mimetypes and corresponding file extensions
 	 *