On Fri, 2010-12-17 at 12:22 -0500, Robert Cummings wrote:
> On 10-12-17 12:08 PM, Steve Staples wrote:
> > On Fri, 2010-12-17 at 10:50 -0600, Jay Blanchard wrote:
> >> [snip]
> >> Thank you with your excellent help in the past.  Here is another
> >> puzzler....
> >>
> >> I am trying to write a program that can have two(2) independent forms
> >> in one PHP file.  When I run the code below [from PHP - A Beginner's
> >> Guide], to which I have added a second form, it freezes.  Without the
> >> goto statements, it runs.  When it does run, it displays both forms
> >> on one Web screen. What I desire is for the first form to be
> >> displayed, the data entered and then the second form displayed.  In
> >> an actual, not test program like this one, the data in the second
> >> form would be dependent on the first form.
> >>
> >> What did I do wrong?
> >> [/snip]
> >>
> >> You used GOTO.
> >>
> >> In this case I would recommend using something like jQuery to 'hide' one
> >> form until the other form is complete. PHP has sent the output to the
> >> browser already, both forms are there and display when you remove the
> >> GOTO.
> >>
> >> GOTO should never be used like this.
> >>
> >> GOTO should never be used.
> >>
> >
> > Wow... that brought me back to 1990... using basic and batch files...
> > I honestly didn't even know that the GOTO was still in existence,
> > especially within PHP.
> >
> > I had to show the people in my office, and we all got a chuckle from teh
> > XKCD comic in the PHP documentation for GOTO
> > http://ca2.php.net/goto
> >
> > Steve
> I was one of the people that argued in favour of GOTO on the Internals 
> list a few years ago. GOTO has a use, and a very good one at that. It is 
> by far the most efficient construct when creating parsers or other 
> similar types of logic flow. The demonized GOTO of the 80s was primarily 
> due to jumping to arbitrary points in the code, or in the case of basic 
> to arbitrary line numbers in the code which had little meaning for 
> future readers. When used properly within a well defined scope and with 
> well named labels, GOTO can be a superior choice. If you think GOTO 
> doesn't exist in many types of software, you need only grep for it in 
> the C source code for PHP, MySQL, and Apache.
> Cheers,
> Rob.

Oh, i can see where it would be useful, i just hadn't realized it was
still in existence...   and the cartoon, was blown up, and put in my
cubical :)


PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php

Reply via email to