+
+ function logToFile($func, $msg)
+ {
+ // open file
+ $fd = fopen($this->upload_target_path . "/tc_trace.log", "a");
+ // append date/time to message
+ $str = "[" . date("Y/m/d h:i:s", mktime()) . "] [" . $func . "] " . $msg;
+ // write string
+ fwrite($fd, $str . "\n");
+ // close file
+ fclose($fd);
+ }