[PHP] Re: PHP vs. ASP

2002-01-09 Thread Robert Klinkenberg

Well, I personally prefer PHP over ASP because better support from
webhosting companies, but ASP has some good points.
This is especially the case if you can setup the complete hosting
environment yourself and have some money to spend.

First of all databases. PHP has support for a limited but interesting list
of databases, especially the support for mysql and postgres is handy for a
webserver. On the other hand, ASP has good support for most bussiness
servers (ORACLE MS SQL Server,) with OLE-DB and a lot more databases
with ODBC.

The development tools. Definately a win for ASP (with vb.net C# and C++ you
have a complete IDE and with Dreamweaver Ultradev you can pretty much point
and click. SO you can choose whatever tool you like.
PHP has very limited IDE's.

Price. ASP solutions are mostly build with Windows 2000 Server and MS SQL
Server or Oracle and an expensive IDE. So it's pretty expensive to build.
PHP is mostly used with Linux, Apache and MySQL and is a lot cheaper (you
only need to buy the hardware and the software is virtually free)

Programming language: This is off course a personal taste but with ASP
(.net) you can use VB/C++/C#. So if you are used to VB or C++ it's a bit
easier to start with.

Modules. Both have a lot of free tools available. However I personally find
the PHP modules more usefull. (With the exception of the Crystal Report
generator in .net, pretty usable reports without a lot of work).

It's a bit easier for a novice to get started with ASP as with PHP, and it's
pertty easy to make the project look good.

So, if you have the cash and some inexperienced programmers working for you
ASP is the save bet. If you have a small company, are a student, depend on
webhosting or are a pretty experienced programmer, PHP might be a better
choose.

Robert Klinkenberg

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[PHP] RE: PHP vs. ASP

2002-01-09 Thread Robert Klinkenberg

Off course PHP does support Oracle and the like. What I wanted to say is
that PHP support most common databases, but if your company needs support
for some strange database you can't access it very fast and easily
(especially when you use PHP on Unix). On the other hand with ASP you can
access anything that has an ODBC driver with a reasonable speed. And there
are a whole lot more databases out there than the say 10-20 PHP supports
directly.

However, the support in PHP works pretty well 95% of the time for me, but
this is something where Microsofts size is an advantage, they can (and have
with ODBC) create an industry standard, and database vendors actively spend
time and resources to create a stable and fast interface to Microsoft
products. 

By the way, you can use iODBC in PHP to access ODBC databases but it is a
bit slow for me :-(

Robert Klinkenberg

-Oorspronkelijk bericht-
Van: Philip Hallstrom [mailto:[EMAIL PROTECTED]]
Verzonden: Wednesday, January 09, 2002 5:52 PM
Aan: Robert Klinkenberg
CC: [EMAIL PROTECTED]
Onderwerp: Re: PHP vs. ASP


I don't want to start a war, but last time I looked PHP had native support
for every database I'd ever heard of including Oracle, SQLServer, etc...

Just don't want the guy doing the report that php is database limited...

On Wed, 9 Jan 2002, Robert Klinkenberg wrote:

> Well, I personally prefer PHP over ASP because better support from
> webhosting companies, but ASP has some good points.
> This is especially the case if you can setup the complete hosting
> environment yourself and have some money to spend.
>
> First of all databases. PHP has support for a limited but interesting list
> of databases, especially the support for mysql and postgres is handy for a
> webserver. On the other hand, ASP has good support for most bussiness
> servers (ORACLE MS SQL Server,) with OLE-DB and a lot more databases
> with ODBC.


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RE: [PHP] SSL & php

2001-11-10 Thread Robert Klinkenberg

SSL encrypts the data between the user and your webserver only

It does not encrypt data send by you to your mailserver, nor does it
influence the way your mailserver sends the mailmessage to the mailserver of
the user. (in plain text)

So, you need to encrypt the data in the email. It is however not that easy
to catch a mailmessage while in transit and I assume that both you
mailserver and the mailserver of the user are both secure. Thus for simple
things this mostly isn't a real issue. If you use encryption you might want
to use something standard like PGP, so the user can use his normal email
program to read the mail.

Robert Klinkenberg

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RE: [PHP] alzheimers and confused

2001-11-17 Thread Robert Klinkenberg

It depends on how you exactly formulated the test

// if((!strpos($yourimage, ".jpg")) or (!strpos($yourimage, ".jpeg")))
 if((!strpos($yourimage, ".jpg")) and (!strpos($yourimage, ".jpeg")))

THe first is 
  if !jpg or !jpeg 
while the second if statement tests for
  if !jpg and !jpeg

another way to test this is 
  if !(jpg or jpeg)

basicly the first one doesn't work because when the filename is jpg it isn't
jpeg so the code executes and when it's jpeg it isn't jpg, and again the
code will execute. the two other tests will correctly test if it's either
jpg or jpeg.

Robert Klinkenberg

-Oorspronkelijk bericht-
Van: jtjohnston [mailto:[EMAIL PROTECTED]]
Verzonden: Saturday, November 17, 2001 3:45 AM
Aan: [EMAIL PROTECTED]
Onderwerp: [PHP] alzheimers and confused


OK kids, I'm not 19 ... my old brain gets tired easily and my wife is
complaining that I stay up too late PHPing :)
Putting the rest aside, why does AND work and not OR. OR was what I
meant?
I meant ... if the string doesn't contain .jpg or the string doesn't
contain .jpeg ... > ERROR!

John


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RE: [PHP] Client Side Printing

2001-12-19 Thread Robert Klinkenberg

As the printing is done by the browser and not by anything controlled by
PHP, it is impossible to create a solution for this with PHP. You might be
able to change your browser settings with some javascript for this function
but not with PHP.

Remember: PHP is run on the webserver and returns a 'plain' html page to the
client. It can't do any client side processing. Javascript(and java apps) on
the other hand are run on the client and can interface with the browser.

Robert Klinkenberg

-Oorspronkelijk bericht-
Van: Ye Tun [mailto:[EMAIL PROTECTED]]
Verzonden: Wednesday, December 19, 2001 6:21 PM
Aan: [EMAIL PROTECTED]
Onderwerp: [PHP] Client Side Printing


Hello,

I am not sure if this is common question.  I am just starting to write php
code and I found one problem with printing.   If my php server is sitting
on 5th floor of our network and staff at 1st floor want to print the
page without those URL and header included in the printout (just like
printing invoice out of the intranet) at the printer directly connected to
his/er client computer, how can I write php code for that?  What function
should I use.?


REgards,

Ye Tun


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RE: [PHP] Stopping stolen / spoofed / linked sessions

2001-06-30 Thread Robert Klinkenberg

Depends on what you want to do, first you have to define what are valid
sessions,
So think of things like this
- One Session can only come from one IP address
- A session ID that was created n minutes ago is no longer valid
- A user using Netscape x can't be using IExplorer y


After a user connects to you with a session ID you could check all those
things
yourself in your PHP script and respond appropriately. In this case, store
the 
session in a Database with the remote IP address, expire the Session and
check
the referer. That should block a lot of script kiddies but of course slows
down the 
site.

Also, it's not that hard to create cookies by hand so that won't stop people
who realy
want to enter your site :-( and remember sessions are not meant to be
secure, 
that is why we have SSL :-)


Robert Klinkenberg

> -Oorspronkelijk bericht-
> Van:  Bill Rausch [SMTP:[EMAIL PROTECTED]]
> Verzonden:Saturday, June 30, 2001 12:43 AM
> Aan:  [EMAIL PROTECTED]
> Onderwerp:AW: [PHP] Stopping stolen / spoofed / linked sessions
> 
> Sebastian Stadtlich said:
> 
> >there is an option in php ini :
> >
> >session.referer_check =
> >
> >which should fit your needs
> >
> >not sure how to use it, but probably one of the php-developers on this
> >list can assist...
> 
> I looked at this thing and can't figure out that it does very much. 
> If someone makes a web page that contains a link to my site that 
> contains the PHPSESSID=... then that session id will be invalid. 
> However, if they just type the same string into their browser by 
> hand, it is accepted?
> 
> It seems that there is no stopping session spoofing if using the URL 
> method. The only work around is to expire sessions quickly or to 
> require that cookies be used?
> 

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[PHP] Overriding PHP build-in functions

2001-09-15 Thread Robert Klinkenberg

Is it possible to override the php build-in functions without changing the
PHP base distribution?

We want to encode our scripts but zend is a bit expensive so we are looking
to write something ourself.
(encryption libs are freely available, so the main problem is changing the
file open function so that it decodes the file while reading it from disk)

Robert Klinkenberg



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