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Posted by OmegaJunior on 02/27/07 07:47
On Tue, 27 Feb 2007 05:06:02 +0100, Jerry Stuckle =
<jstucklex@attglobal.net> wrote:
> finer recliner wrote:
>> i've been playing with the below code for a while now, and i cant get=
>> it to work correctly. the user should be able to input text into a
>> textbox and upon hitting submit, it will append that text to whatever=
>> is in "newpage.html" and write this new chunk of text to data.txt.
>> the final result of my code will be a bit more elaborate, but i can'=
t
>> even get this to work. i believe soemthing is wrong the scope of my
>> variables or how my functions are written or something. it seems
>> everytime i hit submit, only $text is written to data.txt. $above
>> seems to be blank in the addHTML function. any suggestions?
>> thanks!
>> -dave
>> /////////////////////////start code ///////////////////////////////=
/
>> <html>
>> <head>
>> <?php
>> if ($submit) {
>> $newdata =3D addHTML($newdata);
>> $fp =3D fopen("data.txt", "w");
>> fwrite($fp, $newdata);
>> fclose($fp);
>> }
>> $fcurrent =3D fopen("newpage.html", "r");
>> $i =3D 0;
>> while(!feof($fcurrent)){
>> $line =3D fgets($fcurrent, 4096);
>> $above .=3D $line;
>> }
>> fclose($fcurrent);
>> function addHTML($text){
>> global $above;
>> $newdata =3D $above . $text;
>> return $newdata;
>> }//end addHTML
>> ?>
>> </head>
>> <body>
>> <form action=3D"<? print $PHP_SELF; ?>" method=3D"post">
>> <textarea name=3D"newdata" rows=3D"30" cols=3D"80"></textarea>
>> <br>
>> <input type=3D"submit" name=3D"submit" value=3D"Submit">
>> </form>
>> </body>
>> </html>
>> //////////////////////////////////end
>> code//////////////////////////////////////////
>>
>
> In addition to Klarth's comments, you shouldn't use global variables. =
If =
> you would have passed $above to this function (as a second parameter) =
=
> your problem would have been more obvious (just one of the reasons not=
=
> to use globals).
>
>
Use $_POST[] instead.
I agree with Klarth: the order of the statements does not compute. =
Suggestion: write down, in small sequential steps, how the script should=
=
function. Make sure that every next step gets all its data from a previo=
us =
step. Then write the actual script.
-- =
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