code: protected function dumpArray($array)
      {
          $isNested = $this->valDepth > 0;
          $this->valDepth++;
          $array = parent::dumpArray($array);
          $str = \trim(\print_r($array, true));
          $str = \preg_replace('#^Array\n\(#', 'array(', $str);
          $str = \preg_replace('#^array\s*\(\s+\)#', 'array()', $str); // single-lineify empty array
          if ($isNested) {
              $str = \str_replace("\n", "\n    ", $str);
          }
          return $str;
      }
docs: Dump array as text
  
  @param array $array Array to display
  
  @return string