Fix 1

Author: jrfnl

src/Files/File.php

@@ -1876,6 +1876,10 @@ public function getMemberProperties($stackPtr)
             throw new RuntimeException('$stackPtr must be of type T_VARIABLE');
         }
 
+        if (empty($this->tokens[$stackPtr]['conditions']) === true) {
+            throw new RuntimeException('$stackPtr is not a class member var');
+        }
+
         $conditions = array_keys($this->tokens[$stackPtr]['conditions']);
         $ptr        = array_pop($conditions);
         if (isset($this->tokens[$ptr]) === false