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Re: terminate a PHP script [message #172624 is a reply to message #172601]

Tue, 22 February 2011 11:54

sheldonlg
Messages: 166
Registered: September 2010

Karma:

Senior Member

On 2/21/2011 10:38 PM, The Natural Philosopher wrote:
> Exactly.
> some form of limited goto is always required: teh questin is how to
> wrire it best. After all consider thus staement
>
> if ()
> {
> }
> else...
> {
> }
> what is the else, but a target for a conditional jump? Just because you
> didn't write goto, doesn't mean there aint no jump.

No argument with that part. However, when I first saw if-then-else my
reaction was "Wow! That is exactly how people think. No need to do
convoluted logic with going to different labels in one case or the other
and remembering where and how I got there and what to do next."

What is done behind the scenes to implement that logic? Why jumps, of
course, to labels created by the compiler/interpreter. So what? Why
should I care? The point was to have READABLE and MAINTAINABLE code.
Since if-then-else is how people think, it is far, far, far more
readable and maintainable than jumps. That is implemented behind the
scenes that way? So what?

As for labels being confined to the scope of the function, again so
what? Jumping off a six story building will kill you just as surely as
jumping off the Empire State Building. Your blood might spatter a
little less, but you will still be dead.

--
Shelly

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[Message index]

		terminate a PHP script By: bob on Sat, 19 February 2011 21:56
		Re: terminate a PHP script By: Jerry Stuckle on Sat, 19 February 2011 21:59
		Re: terminate a PHP script By: The Natural Philosoph on Sun, 20 February 2011 00:38
		Re: terminate a PHP script By: Jerry Stuckle on Sun, 20 February 2011 01:04
		Re: terminate a PHP script By: me on Sun, 20 February 2011 02:07
		Re: terminate a PHP script By: Twayne on Thu, 24 February 2011 01:59
		Re: terminate a PHP script By: Jerry Stuckle on Thu, 24 February 2011 04:04
		Re: terminate a PHP script By: The Natural Philosoph on Thu, 24 February 2011 12:51
		Re: terminate a PHP script By: Twayne on Thu, 24 February 2011 17:26
		Re: terminate a PHP script By: The Natural Philosoph on Thu, 24 February 2011 17:51
		Re: terminate a PHP script By: Thomas 'PointedEars' on Sun, 20 February 2011 09:47
		Re: terminate a PHP script By: me on Sun, 20 February 2011 15:05
		Re: terminate a PHP script By: n00m on Mon, 21 February 2011 12:53
		Re: terminate a PHP script By: Jerry Stuckle on Mon, 21 February 2011 13:08
		Re: terminate a PHP script By: n00m on Mon, 21 February 2011 16:51
		Re: terminate a PHP script By: Denis McMahon on Mon, 21 February 2011 17:06
		Re: terminate a PHP script By: sheldonlg on Mon, 21 February 2011 17:23
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 00:28
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 00:52
		Re: terminate a PHP script By: Jerry Stuckle on Tue, 22 February 2011 01:00
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:46
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 02:08
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 03:55
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 12:06
		Re: terminate a PHP script By: The Natural Philosoph on Wed, 23 February 2011 08:18
		Re: terminate a PHP script By: Tim Streater on Tue, 22 February 2011 17:18
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 17:26
		Re: terminate a PHP script By: The Natural Philosoph on Wed, 23 February 2011 08:21
		Re: terminate a PHP script By: Jerry Stuckle on Mon, 21 February 2011 17:37
		Re: terminate a PHP script By: sheldonlg on Mon, 21 February 2011 17:53
		Re: terminate a PHP script By: n00m on Mon, 21 February 2011 18:01
		Re: terminate a PHP script By: Peter H. Coffin on Mon, 21 February 2011 19:07
		Re: terminate a PHP script By: Curtis Dyer on Tue, 22 February 2011 22:59
		Re: terminate a PHP script By: Tim Streater on Mon, 21 February 2011 18:04
		Re: terminate a PHP script By: sheldonlg on Mon, 21 February 2011 18:32
		Re: terminate a PHP script By: Tim Streater on Mon, 21 February 2011 18:50
		Re: terminate a PHP script By: Peter H. Coffin on Mon, 21 February 2011 19:09
		Re: terminate a PHP script By: Tim Streater on Mon, 21 February 2011 19:44
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:16
		Re: terminate a PHP script By: n00m on Tue, 22 February 2011 01:28
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:47
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 02:10
		Re: terminate a PHP script By: n00m on Tue, 22 February 2011 02:45
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:15
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 01:53
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 03:16
		Re: terminate a PHP script By: Tim Streater on Tue, 22 February 2011 17:01
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 17:05
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 17:07
		Re: terminate a PHP script By: Tim Streater on Tue, 22 February 2011 16:59
		Re: terminate a PHP script By: The Natural Philosoph on Wed, 23 February 2011 08:19
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:12
		Re: terminate a PHP script By: Tim Streater on Tue, 22 February 2011 17:04
		Re: terminate a PHP script By: n00m on Mon, 21 February 2011 18:54
		Re: terminate a PHP script By: Jerry Stuckle on Mon, 21 February 2011 19:39
		Re: terminate a PHP script By: sheldonlg on Mon, 21 February 2011 21:03
		Re: terminate a PHP script By: sheldonlg on Mon, 21 February 2011 21:06
		Re: terminate a PHP script By: n00m on Mon, 21 February 2011 21:46
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:24
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 02:04
		Re: terminate a PHP script By: Jerry Stuckle on Tue, 22 February 2011 02:09
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 03:38
		Re: terminate a PHP script By: sheldonlg on Tue, 22 February 2011 11:54
		Re: terminate a PHP script By: The Natural Philosoph on Wed, 23 February 2011 08:15
		Re: terminate a PHP script By: sheldonlg on Wed, 23 February 2011 13:05
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:23
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 01:06
		Re: terminate a PHP script By: The Natural Philosoph on Tue, 22 February 2011 00:58

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