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Posted by Jochem Maas on 06/20/05 11:58
jenny mathew wrote:
> so,what what should i conclude .it is not possible to compare two texts and
> hight the difference at this moment.
1. conclude whatever the **** you like
2. 'hight' is not an english word (I guess you mean highlight)
3. actually it is possible but you have to write some code
4. nobody will be writing a
compare_these_two_strings_and_show_the_differences_in_a_complete_webpage_styled_the_way_I_like_it()
function for php anytime soon.
5. go read about 'DIFF' like I said the first time.
> thanks.
> Yours ,
<humour class="monday, crass, dark, sexist">
with regard to the concept of 'objectification of women' you might
consider another sign off than 'Yours' - or maybe you want to be 0wn3d?
</humour>
> Jenny
>
> On 6/19/05, Robert Cummings <robert@interjinn.com> wrote:
>
>>On Sun, 2005-06-19 at 12:33, M. Sokolewicz wrote:
>>
>>>Robert Cummings wrote:
>>>
>>>>On Sun, 2005-06-19 at 09:22, M. Sokolewicz wrote:
>>>>
>>>>
>>>>>jenny mathew wrote:
>>>>>
>>>>>
>>>>>>>Untested, very crude:
>>>>>>>
>>>>>>><?php
>>>>>>>$maxlen = max(strlen($text1), strlen($text2));
>>>>>>>for ($i = 0; $i < $maxlen; $i++){
>>>>>>>if (@$text1[$i] == @$text2[$i]) echo @$text1[$i];
>>>>>>>else @echo "<font color=red>$text1[$i]|$text2[$i]</font>";
>>>>>>>}
>>>>>>>?>
>>>>>>
>>>>>>donot you think you program will just bring the server to its foot
>>
>>,if the
>>
>>>>>>text message encountered is very large of order of 40 KB or
>>>>>>larger.is <http://larger.is><http://larger.is>there any other
>>
>>efficient method.
>>
>>>>>40KB isn't large... now, when you're talking about hundreds of MBs of
>>>>>text, then it gets large :) 40KB, with that method, is nothing...
>>>>
>>>>
>>>>It's a bit of a dirty hack though. If I compare a 2 character text
>>>>against a 40k text, the error handler will be invoked (39998 * 3)
>>
>>times
>>
>>>>if $text1 is the 2 byte string. That's extremely inefficient. I don't
>>>>think I've ever seen error suppression abused so badly to prevent
>>>>writing an extra line or 2 using isset().
>>>>
>>>>Cheers,
>>>>Rob.
>>>
>>>I agree with what you said fully; however, even though that's the case,
>>>and it indeed could be written a lot faster and cleaner, it would not
>>>pose a problem on most systems. That was the point I tried to make ;)
>>
>>Oh absolutely, 40k is tiny :) Just never seen error suppression used for
>>such mundane processing. Now if we up it to 2 chars and 5 megs :) With a
>>custom user space error handler in the background... ugh.
>>
>>Cheers,
>>Rob.
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>
>
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