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Posted by "M. Sokolewicz" on 06/19/05 19:33
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>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 ;)
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