fix json_encode for integer values
fix json_encode for integer values

without the parameter JSON_NUMERIC_CHECK the json_encode function is ignoring the integer values from a array or database and then the integer values are serialized into a string.
lweb20/codeigniter-restserver,softwarespot/codeigniter-restserver,ivantcholakov/codeigniter-restserver,ivantcholakov/codeigniter-restserver,lweb20/codeigniter-restserver,nguyenanhnhan/codeigniter-restserver,chriskacerguis/codeigniter-restserver,ivantcholakov/codeigniter-restserver,nguyenanhnhan/codeigniter-restserver,softwarespot/codeigniter-restserver,chriskacerguis/codeigniter-restserver,lweb20/codeigniter-restserver,Hanisch-IT/codeigniter-restserver,Hanisch-IT/codeigniter-restserver,nguyenanhnhan/codeigniter-restserver