add data

core/framework/libraries/log.php

@@ -75,7 +75,21 @@ class Log
     public static function msg()
     {
         $debugInfo = debug_backtrace();
-        var_dump($debugInfo);
+        $stack = "[";
+        foreach($debugInfo as $key => $val){
+            if(array_key_exists("file", $val)){
+                $stack .= ",file:" . $val["file"];
+            }
+            if(array_key_exists("line", $val)){
+                $stack .= ",line:" . $val["line"];
+            }
+            if(array_key_exists("function", $val)){
+                $stack .= ",function:" . $val["function"];
+            }
+        }
+        $stack .= "]";
+
+        return $stack;
     }
 
     private static function get_level($lev)