sessions + php + mysql + error

sessions + php + mysql + error

References

Reference NO 1

http://stackoverflow.com/questions/15196969/sessions-php-mysql-error

Reference NO 2

http://stackoverflow.com/questions/5650544/custom-db-session-in-php-mysql-showing-error-in-other-pages

Reference NO 3

http://stefangabos.ro/php-libraries/zebra-session/

Reference NO 4

http://www.w3schools.com/php/php_sessions.asp

Reference NO 5

http://oreilly.com/catalog/webdbapps/chapter/ch08.html

Reference NO 6

http://php.net/manual/en/mysqli.error.php

Reference NO 7

https://moodle.org/mod/forum/discuss.php?d=140640

Reference NO 8

http://www.sitepoint.com/users-php-sessions-mysql/