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| Re: why is it always an endless loop? [message #186141 is a reply to message #186140] |
Mon, 16 June 2014 12:17   |
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Hello.
On 2014-06-16 18:06, richard wrote:
>
> $a="one"
> $b="one"
>
> while ($a=$b){echo "equal"; $b="two";)
>
> This simple code causes an endless loop.
> Why?
>
> As soon as $b is changed, they are no longer equal, yet the loop
continues.
> This does not happen in BASIC.
> If it is placement, where then should $b be placed?
>
You have to change the loop condition to
while ($a === $b)
Otherwise you assign the value of $b to $a if you use only one "=".
Regards
Markus
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| Re: why is it always an endless loop? [message #186142 is a reply to message #186140] |
Mon, 16 June 2014 12:19 |
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On Mon, 16 Jun 2014 12:06:26 -0400, richard wrote:
> As soon as $b is changed, they are no longer equal, yet the loop
> continues.
> This does not happen in BASIC.
> If it is placement, where then should $b be placed?
because ($a=$b) sets $b to the same as $a and returns true. That's not
what you were trying to do, was it. And you have been told this a thousand
times before, haven't you?. And WTF has basic, which has different syntax
altogether got to do with it. HINT if you want to use PHP then write code
in (correct) php syntax.
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| Re: why is it always an endless loop? [message #186143 is a reply to message #186140] |
Mon, 16 June 2014 12:19 |
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Am 16.06.2014 18:06, schrieb richard:
>
> $a="one" $b="one"
>
> while ($a=$b){echo "equal"; $b="two";)
>
> This simple code causes an endless loop. Why?
>
> As soon as $b is changed, they are no longer equal, yet the loop
> continues. This does not happen in BASIC. If it is placement, where
> then should $b be placed?
>
= != == :-)
SCNR
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| Re: why is it always an endless loop? [message #186151 is a reply to message #186140] |
Mon, 16 June 2014 14:09 |
J.O. Aho
Messages: 194
Registered: September 2010
Karma: 0
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Senior Member |
add to buddy list
ignore all messages by this user
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On 16/06/14 18:06, richard wrote:
>
> $a="one"
> $b="one"
>
> while ($a=$b){echo "equal"; $b="two";)
>
> This simple code causes an endless loop.
> Why?
try this one instead and you see why:
$a="one"
$b="one"
while($a=$b) {
echo "equal a='{$a}', b={$b}\n";
$b="two";
}
> As soon as $b is changed, they are no longer equal, yet the loop continues.
> This does not happen in BASIC.
For BASIC lacks == and ===
> If it is placement, where then should $b be placed?
It's your compare which is incorrect, I don't remember how many times
you have made the same mistake over and over again.
Don't complain about the answers in the thread, be happy that people
haven't added you to filters to not see your posts.
--
//Aho
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| Re: why is it always an endless loop? [message #186153 is a reply to message #186140] |
Mon, 16 June 2014 14:32 |
Luuk
Messages: 329
Registered: September 2010
Karma: 0
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Senior Member |
add to buddy list
ignore all messages by this user
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On 16-6-2014 18:06, richard wrote:
>
> $a="one"
> $b="one"
>
> while ($a=$b){echo "equal"; $b="two";)
>
> This simple code causes an endless loop.
> Why?
>
> As soon as $b is changed, they are no longer equal, yet the loop continues.
> This does not happen in BASIC.
> If it is placement, where then should $b be placed?
>
Did someone already say to you that you asked this before?
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| Re: why is it always an endless loop? [message #186156 is a reply to message #186140] |
Mon, 16 June 2014 16:45 |
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In article <qw7xoz3y22k8(dot)h8pla1goojcr$(dot)dlg(at)40tude(dot)net>, richard
<noreply(at)example(dot)com> wrote:
> $a="one"
> $b="one"
>
> while ($a=$b){echo "equal"; $b="two";)
>
> This simple code causes an endless loop.
No it doesn't. This will not even execute.
Then you wonder why you get bashed all the time.
--
Anyone who slaps a 'this page is best viewed with Browser X' label on
a Web page appears to be yearning for the bad old days, before the Web,
when you had very little chance of reading a document written on another
computer, another word processor, or another network. -- Tim Berners-Lee
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| Re: why is it always an endless loop? [message #186157 is a reply to message #186156] |
Mon, 16 June 2014 17:19 |
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On Mon, 16 Jun 2014 21:45:48 +0100, Tim Streater wrote:
> In article <qw7xoz3y22k8(dot)h8pla1goojcr$(dot)dlg(at)40tude(dot)net>, richard
> <noreply(at)example(dot)com> wrote:
>
>> $a="one"
>> $b="one"
>>
>> while ($a=$b){echo "equal"; $b="two";)
>>
>> This simple code causes an endless loop.
>
> No it doesn't. This will not even execute.
>
> Then you wonder why you get bashed all the time.
Tim is write. The code that you wrote as an example will not execute. The
code that you think that you wrote will, and as has been pointed out
several times, contains an error that you have been told about many times
before.
--
Denis McMahon, denismfmcmahon(at)gmail(dot)com
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| Re: why is it always an endless loop? [message #186160 is a reply to message #186157] |
Mon, 16 June 2014 23:39 |
Evan Platt
Messages: 124
Registered: November 2010
Karma: 0
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Senior Member |
add to buddy list
ignore all messages by this user
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On Mon, 16 Jun 2014 21:19:00 +0000 (UTC), Denis McMahon
<denismfmcmahon(at)gmail(dot)com> wrote:
> Tim is write. The code that you wrote as an example will not execute. The
> code that you think that you wrote will, and as has been pointed out
> several times, contains an error that you have been told about many times
> before.
richard is obviously a troll. No one but a troll would make statements
he makes, or make the same mistakes he makes over and over again. He
has - in legal groups - stated someone should be charged with
"deformation of character" dozens of times - maybe even more, going
back 5+ years. And each time, he's laughed at.
You would think you'd make that mistake ONCE.
--
To reply via e-mail, remove The Obvious and .invalid from my e-mail address.
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| Re: why is it always an endless loop? [message #186165 is a reply to message #186164] |
Tue, 17 June 2014 11:13 |
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On Tue, 17 Jun 2014 08:22:20 +0200, Arno Welzel wrote:
> \|||/
> (o o)
> ,~~~ooO~~(_)~~~~~~~~~,
> | Please |
> | don't feed the |
> | TROLL! |
> '~~~~~~~~~~~~~~ooO~~~'
> |__|__|
> || ||
> ooO Ooo
Arno, I would dearly love to place richard on ignore, as would many other
people, but he has this habit of answering other people's questions,
invariably incorrectly, handing out the worst advice possible from his
years of accumulated ignorance, and presenting the resulting bullshit as
authoritative solutions for them.
Hence it is imperative that those of us who do know what we're talking
about remain vigilant to ensure that the innocent newbies who do attract
his attention receive an appropriate counterpoint.
Unfortunately, as that means we have to read his shit, it also means we
tend to respond to it.
--
Denis McMahon, denismfmcmahon(at)gmail(dot)com
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