PHP JSON String Fixer

gistfile1.txt

function fixJSON( $j ){
      $j = trim( $j );
      $j = ltrim( $j, '(' );
      $j = rtrim( $j, ')' );
      $a = preg_split('#(?<!\\\\)\"#', $j );
      for( $i=0; $i < count( $a ); $i+=2 ){
          $s = $a[$i];
          $s = preg_replace('#([^\s\[\]\{\}\:\,]+):#', '"\1":', $s );
          $a[$i] = $s;
      }
      $j = implode( '"', $a );
      return $j;
  }