Hi all.
I understand that a lot of JSP Vs. PHP questions have been asked on this
list, but they've been philosophical and general in nature. I have some
specific questions and was hoping that someone might be able to entertain them:
1) JSPs can persist variables at the page, request, session and application
scopes. I believe PHP variables are implicitly page-scoped, and session
management can be used for session-scoping. Are there equivalents to
request and application scoping?
2) In JSPs, it is possible to do server-side page redirection, i.e.
"forward" a request from page A to page B, as if the user actually
requested page B. There is no browser involvement in the redirection; it is
complete on the server. In this scenario, there are two "page scopes", and
one "request scope". How is this server-side redirection done in PHP?
3) In doing the server-side page redirection, variables can be added to a
"request" object, which embodies parameters related to a request. Page A
can add variables to the request object (perhaps values from an SQL
select), which page B can then retrieve and display. How is this done in PHP?
4) JSPs, being a part of J2EE, can use a security system that does
authentication and authorization. What is the commonly accepted way to do
security with PHP?
5) On a JSP site, I typically arrange things such that a particular JSP (or
servlet) accepts requests, processes them and then forwards them to one of
a number of different pages, depending on the outcome of the processing.
This is in contrast to the alternative approach where one simply goes to a
page, which does some processing and then displays the contents of the
requested page. What is the typical way to achieving this "funnel all
requests to a single point and have it forward the correct response to the
user" paradigm?
6) JSPs can be packaged up as an application (a WAR file), and that WAR
file has descriptors that allow mapping of URLs to JSPs and servlets. This
allows me to just drop in a WAR file to a JSP container, like Tomcat, and
have it run. Are there equivalents to the "pack it up as an application"
and URL mapping concepts in PHP?
7) JSPs can be mapping to multiple URLS, e.g. /alpha/mypage and
/beta/mypage can both go to the same JSP. Is there an equivalent to this in
PHP?
I have several more, but this is a sample. Answers to these questions are
quite important to me because at the moment I'm trying to decide whether I
should choose JSPs (J2EE actually), PHP or Zope for some projects.
Thanks.
Gerald.
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