Constructor in the class is the member function that gets into action when any new object gets created in the class ,it gets invoked. It does not have any return type and no void return.
The constructor is used in the class because there is the requirement for the initializing of the new object and then only object can do the functioning in the program.
In PHP to remove all the session variables, we use the session_destroy() function. It doesn't take any argument is required and then all sessions variables could be destroyed by a single call. If a particular clinical variable is now to be destroyed, the unset() function can be applied to unset a session variable. Its session doesn't unset or unset the session cookie by either of the local variables associated with it.
Bandwidth describes the maximum data transfer rate of a network or Internet connection. ... For example, a gigabit Ethernet connection has a bandwidth of 1,000 Mbps (125 megabytes per second). An Internet connection via cable modem may provide 25 Mbps of bandwidth.
