FUnit::debug_out PHP Method

    public static function debug_out($str)
    {
        if (!static::$DEBUG || static::$SILENCE) {
            return;
        }
        static::out(static::color($str, static::$DEBUG_COLOR));
    }

 /**
  * Run the registered tests, and output a report
  *
  * @param boolean $report whether or not to output a report after tests run. Default true.
  * @param string $filter optional test case name filter
  * @see FUnit::run_tests()
  * @see FUnit::report()
  */
 public static function run($report = true, $filter = null, $report_format = null)
 {
     // create a new current suite if needed
     static::check_current_suite();
     // get the suite
     $suite = static::get_current_suite();
     if (static::$disable_run) {
         FUnit::debug_out("Not running tests because of \$disable_run");
         return;
     }
     // set handlers
     $old_error_handler = set_error_handler('\\FUnit::error_handler');
     // run the tests in the suite
     FUnit::debug_out("Running tests in suite '" . $suite->getName() . "'");
     $run_tests = $suite->run($filter);
     if (static::$disable_reporting) {
         FUnit::debug_out("Reporting disabled");
         $report = false;
     }
     if ($report) {
         FUnit::debug_out("Printing report for tests run in suite '" . $suite->getName() . "'");
         static::report($report_format, $run_tests);
     } else {
         FUnit::debug_out("Not printing report for tests run in suite '" . $suite->getName() . "'");
     }
     // add this suite's data to the static $all_run_tests
     static::$all_run_tests = array_merge(static::$all_run_tests, $run_tests);
     // restore handlers
     if ($old_error_handler) {
         set_error_handler($old_error_handler);
     }
     $exit_code = $suite->getExitCode();
     static::$current_suite_name = null;
     return $exit_code;
 }