Click next or back button to browse. When the count limit of
20 pages is reached, you will be redirected to validation page and requested
to enter the validation code. In real site you can direct a user to login/registration
page after the limit is reached. To set the limit a user can browse within
a session, change the $limit value in the config.php file.
Some environment variables values, count limit and $COUNTER values
are shown in the table below. Also we will use print_r() function
in the bottom of the page to see the counter array values.