stat(): throws an exception, if file does not exsist - implement file_exist()...

stat(): throws an exception, if file does not exsist - implement file_exist() before doing a stat().

extension/qfq/qfq/QuickFormQuery.php

@@ -772,7 +772,7 @@ class QuickFormQuery {
 
         foreach ([FORM_LOG_SESSION, FORM_LOG_ALL] as $mode) {
             $file = Support::getFormLogFileName($form[F_NAME], $mode);
-            if (false !== ($arr = stat($file))) {
+            if (file_exists($file) && false !== ($arr = stat($file))) {
 
                 if (time() - $arr['mtime'] > FORM_LOG_FILE_EXPIRE) {
                     HelperFile::unlink($file);

extension/qfq/qfq/report/Thumbnail.php

@@ -105,14 +105,17 @@ class Thumbnail {
      */
     private function getOrCreateThumbnail($pathFilenameSource, $pathFilenameThumbnail, array $control, $modeRender) {
         $debugMode = false;
+        $statThumbnail=false;
 
-        $statSource = stat($pathFilenameSource);
-        $statThumbnail = stat($pathFilenameThumbnail);
-
-        if ($statSource === false) {
+        // Using stat() on non existing files throws an exception
+        if (!file_exists($pathFilenameSource) || false === ($statSource = stat($pathFilenameSource))) {
             throw new UserFormException('File not found: "' . OnString::strrstr($pathFilenameSource, '/') . '"', ERROR_IO_FILE_NOT_FOUND);
         }
 
+        if(file_exists($pathFilenameThumbnail)) {
+            $statThumbnail = stat($pathFilenameThumbnail);
+        }
+
         // thumbnail already exist?
         if ($statThumbnail !== false) {