!-- @page { size: 21cm 29.7cm; margin: 2cm } P { margin-bottom: 0.21cm } --> Varnish is a reverse proxy or http accelerator that uses serverside caching to increase the speed of servicing HTTP requests for use in things such as websites. The varnishd daemon accepts HTTP requests from clients, passes them on to a backend server ...

There are a number of things that can go wrong in code and they bound to through errors, even if you've tested them hundreds of times. PHP provides some error handling methods such as error_reporting(), set_error_handler(), error_log(), restore_error_handler() for handling errors in the PHP code. error_reporting - Sets which PHP errors ...