perf improvements on translate

library/ZendAfi/Translate.php

@@ -21,19 +21,12 @@
 
 class ZendAfi_Translate extends Zend_Translate {
   public function _() {
-    $args = func_get_args();
-    $num = func_num_args();
-
-    if (!$num)
+    if (!$num = func_num_args())
       return '';
 
-    $args[0] = parent::_(Class_TextReplacements::replace($args[0]));
-
-    if($num <= 1) {
-      return $args[0];
-    }
-
-    return call_user_func_array('sprintf', $args);
+    return $num <= 1
+      ? parent::_(Class_TextReplacements::replace(func_get_args()[0]))
+      : call_user_func_array('sprintf', func_get_args());
   }