| Re: A curious thing...about tags. [message #182226 is a reply to message #182221] |
Mon, 22 July 2013 10:31   |
Norman Peelman
Messages: 126
Registered: September 2010
Karma:
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Senior Member |
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On 07/22/2013 03:47 AM, The Natural Philosopher wrote:
> On 21/07/13 23:21, Norman Peelman wrote:
>> On 07/21/2013 03:35 PM, The Natural Philosopher wrote:
>>> On 21/07/13 19:31, Richard Damon wrote:
>>>> On 7/21/13 1:14 PM, The Natural Philosopher wrote:
>>>> > On 20/07/13 19:33, Denis McMahon wrote:
>>>> >> On Sat, 20 Jul 2013 17:09:37 +0200, Thomas Mlynarczyk wrote:
>>>> >>
>>>> >>> The Natural Philosopher schrieb:
>>>> >>>
>>>> >>>> suppose I want my string to be "?> something <?"
>>>> >>>> How on earth is it possible to STOP PHP interpreting that as some
>>>> >>>> blasted 'escape to outputting text'
>>>> >>> Sorry, but I still don't quite see the problem. PHP will happily
>>>> >>> accept
>>>> >>> the above string as what it is: a simple string. It will not try to
>>>> >>> interpret the <? or ?> contained within that string (why should
>>>> >>> it?).
>>>> >> Thomas, the problem is with the ability of the poster you are
>>>> >> applying to
>>>> >> to comprehend and understand string handling in php, and what his
>>>> >> browser
>>>> >> views as an element.
>>>> >>
>>>> >> Most of us understood the need to use < and why in html if we
>>>> >> wanted a
>>>> >> less than symbol within a few months at most of starting to use html.
>>>> >> Some others will never understand it.
>>>> > The problem is of course that you have totally failed to understand
>>>> > the
>>>> > problem I was in fact having.
>>>> >
>>>> > It has NOTHING to do with the browser.
>>>> > The string output was never going anywhere NEAR a browser.
>>>> >
>>>> > The problem was how to CONSTRUCT a string using PHP, to put in a
>>>> > file or
>>>> > a database, that contain PHP escape sequences.
>>>> >
>>>> > Without. PHP interpreting them AS escape sequences.
>>>> >
>>>> > That is given the string $something, how to make
>>>> > $new="?>".$something."<?";
>>>> >
>>>> > without PHP instantly thinking you wanted to print $something on
>>>> > stdout.
>>>> >
>>>> >
>>>> >> Also, as you have noticed, the failure modes that some people post
>>>> >> are
>>>> >> not the failures that occur in the circumstances they describe. When
>>>> >> you
>>>> >> see this, you can usually assume that the person concerned does
>>>> >> not, to
>>>> >> use a common term, know their arse from their elbow.
>>>> >>
>>>> > Or in this case,.. the person his not bothered to understand the
>>>> > actual
>>>> > problem being described.
>>>> >
>>>> >
>>>> The issue is that the PHP interpreter is defined to be smart enough
>>>> that
>>>> the ?> closing tag should NOT be recognized inside a quoted string the
>>>> way you have stated. It is almost certainly some other problem.
>>>>
>>>> Can you post an EXACT COMPLETE example showing the problem and the
>>>> output you get (view source on the page)?
>>> I managed to get it to work, as I stated earlier..
>>>
>>> This was the final code which works, hopefully not by some versional
>>> quirk
>>>
>>> $run="?>".$run;
>>> $run= $run."<?";
>>>
>>>
>>>
>>
>> If that works, then so should your original example... as well as:
>>
>> $run="?> $something <?";
>>
>> Can you post an example of what wasn't working with output? And
>> where the output is going? Cannot duplicate here.
>>
>> norman@amd64x2:~$ php -version
>> PHP 5.3.2-1ubuntu4.19 with Suhosin-Patch (cli) (built: Mar 11 2013
>> 15:23:48)
>> Copyright (c) 1997-2009 The PHP Group
>> Zend Engine v2.3.0, Copyright (c) 1998-2010 Zend Technologies
>>
>> norman@amd64x2:~$ php -a
>> Interactive shell
>>
>> php > $something="my text";
>> php > $run="?> $something <?";
>> php > echo $run;
>> ?> my text <?
>>
>>
> In my setup that produces no output at all.
> Mind you php -a doesnt produce any output from
> php> echo "this";
>
> either..
>
> Nor even a command prompt
>
> It just sits there...
>
>
Well, then how are you 'running' your code? You show a command prompt
above. The interactive shell executes each line as you type it in. I
can't even imagine what your setup is without you telling.
--
Norman
Registered Linux user #461062
-Have you been to www.php.net yet?-
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