Replace x() by isset(), !empty() or defaults()

- Remove extraneous parentheses around empty() calls
- Remove duplicate calls to intval(), count() or strlen() after empty()
- Replace ternary operators outputting binary value with empty() return value
- Rewrite defaults() without x()

src/Model/FileTag.php

@@ -276,10 +276,10 @@ class FileTag
         }
 
         if ($cat == true) {
-            $pattern = '<' . self::encode($file) . '>' ;
+            $pattern = '<' . self::encode($file) . '>';
             $termtype = TERM_CATEGORY;
         } else {
-            $pattern = '[' . self::encode($file) . ']' ;
+            $pattern = '[' . self::encode($file) . ']';
             $termtype = TERM_FILE;
         }