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Article Dicussion: Creating a News System with PHP

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  #1  
Old April 14th, 2003, 10:38 PM
benos benos is offline
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Article Dicussion: Creating a News System with PHP
If you have any questions or comments about this article please post them here.

This forum post relates to this article
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  #2  
Old April 17th, 2003, 07:47 PM
zao zao is offline
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Notice: Undefined index: submit in c:\inetpub\wwwroot\news.php on line 3

That's the error that I get when running the addnews.php part of this.
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  #3  
Old April 18th, 2003, 09:14 PM
benos benos is offline
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Code for news.php

PHP Code:
<?
echo "<H1><u>Current News</u></H1>\n";
$data = file('news.txt');
$data = array_reverse($data);
foreach($data as $element) {
    $element = trim($element);
    $pieces = explode("|", $element);
    echo $pieces[2] . "<BR>" . "<b>Posted by " . $pieces[1] . " on " . $pieces[0] . "</b><BR><BR>";
}
echo "<HR>\n";
echo "<H1><u>Add News</u></H1>\n";
if($HTTP_POST_VARS['submit']) {
    if($HTTP_POST_VARS['password'] == 'pass') {
        if(!$HTTP_POST_VARS['name']) {
            echo "You must enter a name";
            exit;
        }
        if(!$HTTP_POST_VARS['news']) {
            echo "You must enter some news";
            exit;
        }
        if(strstr($HTTP_POST_VARS['name'],"|")) {
            echo "Name cannot contain the pipe symbol - |";
            exit;
        }
        if(strstr($HTTP_POST_VARS['news'],"|")) {
            echo "News cannot contain the pipe symbol - |";
            exit;
        }
        $fp = fopen('news.txt','a');
        if(!$fp) {
            echo "Error opening file!";
            exit;
        }
        $line = date("m.d.y") . "|" . $HTTP_POST_VARS['name'];
        $line .= "|" . $HTTP_POST_VARS['news'];
        $line = str_replace("\r\n","<BR>",$line);
        $line .= "\r\n";
        fwrite($fp, $line);
        if(!fclose($fp)) {
            echo "Error closing file!";
            exit;
        }
        echo "<b>News added!</b>\n";    
    } else {
        echo "Bad Password";
    }
}
?>
<FORM ACTION="<?=$PHP_SELF?>" METHOD="POST" NAME="newsentry">
Your name:<BR>
<INPUT TYPE="text" SIZE="30" NAME="name"><BR>
The News:<BR>
<TEXTAREA NAME="news" COLS="40" ROWS="5"></TEXTAREA><BR><BR>
News Password:<BR>
<INPUT TYPE="password" SIZE="30" NAME="password"><BR>
<INPUT TYPE="submit" NAME="submit" VALUE="Post it!"><BR>
</FORM>


This code worked for me.

The Error you recieved

Quote:
Notice: Undefined index: submit in c:\inetpub\wwwroot\news.php on line 3


Could have occured when you first opened the page. To fix this you may simply replace,

PHP Code:
if($HTTP_POST_VARS['submit']) { 


with

PHP Code:
if(isset($HTTP_POST_VARS['submit'])) { 


I hope this helped
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  #4  
Old August 4th, 2003, 12:35 PM
pakcik_kantin pakcik_kantin is offline
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Keep on addding when refresh
Hallo, anybody can help me..
when i refresh my browser, it keep posting new news...
How to prevent this
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  #5  
Old August 18th, 2003, 06:52 PM
Firestorm03 Firestorm03 is offline
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I am confused. You don't say what file the php scripts go in, help me!
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  #6  
Old December 14th, 2003, 09:03 PM
spacious spacious is offline
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Warning: fopen(news.txt): failed to open stream: Permission denied in D:\Websites\URL on line 116


thats what i get,

line 116 is

PHP Code:
 $fp = fopen('news.txt','a'); 
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  #7  
Old December 15th, 2003, 03:08 PM
FrankieShakes FrankieShakes is offline
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Spacious,

Do you have write permissions set on that folder? Make sure you do, otherwise, you would be receiving that error.

Also, what's the line above 116? Can you post a block from that area.

Thanks.
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  #8  
Old December 15th, 2003, 09:29 PM
spacious spacious is offline
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PHP Code:
if(!$HTTP_POST_VARS['news']) {
            echo "You must enter some news";
            exit;
        }
        if(strstr($HTTP_POST_VARS['name'],"|")) {
            echo "Name cannot contain the pipe symbol - |";
            exit;
        }
        if(strstr($HTTP_POST_VARS['news'],"|")) {
            echo "News cannot contain the pipe symbol - |";
            exit;
        }
        $fp = fopen('news.txt','a');
        if(!$fp) {
            echo "Error opening file!";
            exit;
        } 
lines 104 -120. i should have full permissions to everything if there no code errors ill check to see if i do.

if i dont do you know of another way to do something similar?
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  #9  
Old December 16th, 2003, 03:33 PM
TinnyFusion TinnyFusion is offline
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Question I can not edit or delete news?
Hi, I have a little problem in that I can not edit or delete any news posts?

Here is a direct link here.

I have also included the source as a zip if needed.

Please help, what could be wrong?

Regards, TinnyFusion.
Attached Files
File Type: zip news.zip (2.0 KB, 329 views)
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  #10  
Old December 18th, 2003, 09:43 PM
TinnyFusion TinnyFusion is offline
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Question
I have now totally reinstalled everything and updated all server applications to the latest as follows: Apache Server v2.0.48, ActivePerl v5.8.2.808, PHP v4.3.4, MySQL v4.0.17, and phpMyAdmin v2.5.4 but I still can not edit or delete any of my posts...?

Any help regarding this matter would be great.

Regards, TinnyFusion
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  #11  
Old December 24th, 2003, 05:26 PM
TinnyFusion TinnyFusion is offline
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mmm, I turn 'register_globals' to on and everything works without any issues?

But is this not a securityrisk?

How do I get the same effect but with register_globals turned off?
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