Merge pull request #196 from novashdima/master

Fix php 7.4 & increase min version to 7.0

README.md

@@ -44,7 +44,7 @@ The IFM uses the following resources:
   + HTML5 and CSS3 compatible browser
   + activated javascript
 * Server
-  + PHP >= 5.6
+  + PHP >= 7.0
   + extensions
     - bz2
     - curl (for remote upload)

src/main.php

@@ -771,7 +771,7 @@ f00bar;
 			try {
 				chmod($d["filename"], (int)octdec($chmod));
 				return ["status" => "OK", "message" => $this->l('permission_change_success')];
-			} catch (Exception) {
+			} catch (Exception $e) {
 				throw new IFMException($this->l('permission_change_error'));
 			}
 		} else