"Despite its similarity to ASP, PHP is rapidly becoming the
language of choice for Web development. Its simplicity, power, and
widespread support are all factors that have influenced an
increasing user base. In fact, with the evolution of ASP to ASP.NET
and the relative lack of public, low-cost servers that support the
.NET platform, many are making the choice to migrate, not from ASP
to ASP.NET, but from ASP to PHP.
"In addition, people who just want to server-side script their
Web sites have reasons to resist the move from Visual Interdev
(ASP's previous development environment) to Visual Studio.NET as
overkill. As a result of their desire to keep things simple, more
and more are moving to the cheaper, less revolutionary alternative.
But not every Webmaster of every PHP-based site wants to eschew a
full-featured development environment..."