AJAX and PHP, Building Modern Web Applications : PDF bOOk

AJAX and PHP, Building Modern Web Applications

by
Bogdan Brinzarea-Iamandi
Cristian Darie
Audra Hendrix


Building websites since 1990
Before getting into the details, let's take the inevitable history lesson to make sure
we've got our definitions straight. We promise we'll keep this short. If you're a web
development veteran, feel free to skip ahead to The world of AJAX section.
Although the history of the Internet is a bit longer, 1991 is the year when HyperText
Transfer Protocol (HTTP), still used to transfer data over the Internet, was invented.
In its initial versions, it didn't do much more than opening and closing connections.
The later versions of HTTP (Version 1.0 appeared in 1996 and Version 1.1 in 1999)
became the protocol that we all know and use.

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