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By phpfresher
via phpfresher.com
Published: Jan 10 2013 / 11:25

In PHP, sessions can keep track of authenticated in users. They are an essential building block in today’s websites with big communities and a lot of user activity. Without sessions, everyone would be an anonymous visitor. Due to the fast evolution of Web programming, the stateless nature of the HTTP protocol brought many problems to certain Web applications that required maintaining their state across several HTTP requests. This demanded a rapid development of several mechanisms aimed at tackling this issue through diverse methods. Then a session management emerged as a direct response to the above mentioned problem, and currently this mechanism is being used by PHP developers worldwide, in cases where a Web application needs to keep track of its “state” during the occurrence of different HTTP requests.
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emri replied ago:

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thanks dude was awesome

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