human readable json_encode output

jsonToReadable.php

function jsonToReadable( $jsonString)
   {
      $tabcount = 0;
      $result = '';
      $inquote = false;
   
      $tab = "   ";
      $newline = "\n";
   
      for($i = 0; $i < strlen( $jsonString); $i++) 
      {
         $char = $jsonString[ $i];
        
         if( $char == '"' && $jsonString[ $i-1] != '\\') $inquote = !$inquote;

         if( $inquote)
         {
            $result.=$char;
            continue;
         }

         switch($char) 
         {
            case '{':
               if( $i) $result.=$newline;
               $result.=str_repeat($tab, $tabcount).$char.$newline.str_repeat( $tab, ++$tabcount);
               break;
            case '}':
               $result.=$newline.str_repeat( $tab, --$tabcount).$char;
               break;
            case ',':
               $result.=$char;
               if( $jsonString[ $i+1] != '{') $result.=$newline.str_repeat($tab, $tabcount);
               break;
            default:
               $result.=$char;
         }
      }
      return $result;
   }