Blank/duplicate Entries a little help please.

wappy · July 26, 2007

Hi, I have been working with a download/link exchange script: http://forums.xisto.com/no_longer_exists/

However it has some problems when adding download links..

Users can submit downloads with no title, and also entries with duplicate titles.

Can anyone show me how to fix this?? Here is the submit page:

$rank=1;
while ($row = mysql_fetch_row($result)) //read fields from record set
{
$title=$row[0];
$url=$row[1];
$points=$row[2];
$id=$row[4];
if($rank <= $toptop) //only display first X number of banners
{
$banner=$row[3];
}
if ($banner!="")
{
echo "<a href='$url' target='_blank'><img border=0 src=$banner></A> - $points<BR>";
}
else { ?> linenums:0'><?php include("dbconnect.php"); ?> <html> <head> <title><? echo $sitename ?></title> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <META NAME="Keywords" CONTENT="<? echo $keywords; ?>"> <META NAME="Description" CONTENT="<? echo $description; ?>"> <META NAME="Author" CONTENT="<? echo $yourmail; ?>"> <META NAME="ROBOTS" CONTENT="INDEX, FOLLOW"> <META NAME="REVISIT-AFTER" CONTENT="1 DAYS"> <META NAME="RATING" CONTENT="GENERAL"> <link rel="stylesheet" type="text/css" href="images/evilddl.css" /> </head> <div align="center"> <body bgcolor="#FFFFFF" text="#000000" link="#333333" vlink="#333333" alink="#333333"> <table width="928" border="0" cellspacing="1" cellpadding="0" class="main"> <tr> <td colspan="2"> <table width="100%" border="0" cellspacing="5" cellpadding="0"> <tr> <td background="images/sitetitleback.gif"><img src="images/banner.gif" width="339" height="70"></td> </tr> </table> </td> </tr> <tr> <td valign="top"> <table width="100%" border="0" cellspacing="5" cellpadding="0"> <tr> <td> <table width="100%" border="0" cellspacing="1" cellpadding="2" class="box"> <tr> <td background="images/tabletop.gif" height="21" class="top">Menu</td> </tr> <tr> <td class="bottom"> <?php include("menu.txt"); ?> </td> </tr> </table> </td> </tr> <tr> <td> <table width="100%" border="0" cellspacing="1" cellpadding="2" class="box"> <tr> <td background="images/tabletop.gif" height="21" class="top">Affiliates</td> </tr> <tr> <td class="bottom"> <?php include("aff.txt"); ?> </td> </tr> </table> </td> </tr> <tr> <td> <table width="100%" border="0" cellspacing="1" cellpadding="2" class="box"> <tr> <td background="images/tabletop.gif" height="21" class="top">Top Sites</td> </tr> <tr> <td class="bottom"> <?php $result=mysql_query("select titel, url, points, banner, id from toplist WHERE points > 0 ORDER BY points DESC LIMIT 0,$topsites;"); //fetch all fields from table which's points are > 0 order them by most points, and limit number of records by global defined amount of topsites to be displayed $rank=1; while ($row = mysql_fetch_row($result)) //read fields from record set { $title=$row[0]; $url=$row[1]; $points=$row[2]; $id=$row[4]; if($rank <= $toptop) //only display first X number of banners { $banner=$row[3]; } if ($banner!="") { echo "<a href='$url' target='_blank'><img border=0 src=$banner></A> - $points<BR>"; } else { ?>:: <a href="site.php?id=<? echo $id ?>"><? echo $title ?></a><br> <? } $banner=""; $rank += 1; } ?> </td> </tr> </table> </td> </tr> <tr> <td> <table width="100%" border="0" cellspacing="1" cellpadding="2" class="box"> <tr> <td background="images/tabletop.gif" height="21" class="top">Search</td> </tr> <tr> <td class="bottom"> <?php include("search.htm"); ?> </td> </tr> </table> </td> </tr> <tr> <td> <table width="100%" border="0" cellspacing="1" cellpadding="2" class="box"> <tr> <td background="images/tabletop.gif" height="21" class="top">Stats</td> </tr> <tr> <td class="bottom"> <?php $ip = $_SERVER['REMOTE_ADDR']; echo ":: IP: $ip"; ?> <br> :: Date: <?PHP echo date("D M d, Y"); ?> <br> :: Time: <?PHP echo date("H:i:s"); include_once ("online.php"); $visitors_online = new usersOnline(); if (count($visitors_online->error) == 0) { $online = $visitors_online->count_users(); echo "<br>:: Online: $online"; } ?> </td> </tr> </table> </td> </tr> </table> </td> <td width="735" valign="top"> <table width="100%" border="0" cellspacing="5" cellpadding="0"> <tr> <td> <table width="100%" border="0" cellspacing="1" cellpadding="2" class="box"> <tr> <td background="images/tabletop.gif" height="21" class="top">Advert</td> </tr> <tr> <td class="bottom"> <?php include("ad.htm"); ?> </td> </tr> </table> </td> </tr> <tr> <td> <table width="100%" border="0" cellspacing="1" cellpadding="2" class="box"> <tr background="images/tabletop.gif"> <td height="21" colspan="2" class="top"> <p>Add Downloads</p> </td> </tr> <tr> <td class="bottom" valign="top"><? if(isset($_POST['submit'])) { $ip = $_SERVER['REMOTE_ADDR']; $date = date("d/m/Y"); $title = addslashes($_POST['title']); $description = addslashes($_POST['description']); $link = addslashes($_POST['link']); $crack = addslashes($_POST['crack']); $query = "INSERT INTO `downloads` (title, date, description, link, crack, ip) VALUES ('$title','$date','$description', '$link', '$crack', '$ip')"; $result = mysql_query($query); if ($result) { echo "<b>Download Added</b><br/>You can add another in 2 seconds."; echo "<meta http-equiv=Refresh content=2;url=submit.php>"; } else { echo "Download could not be added.<br/>"; } } else { ?> <br> <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>"> Title: <br><input name="title" size="55" maxlength="255"> <br> <br> Description:<br><textarea name="description" rows="9" cols="50"></textarea> <br> <br> Link(s):<br> <textarea name="link" rows="6" cols="50">http://test.com/file0.rar<br> [url="https://www.test.com/; [url="https://www.test.com/; [url="https://www.test.com/; <br> <br> Crack/Password: <br> <input name="crack" size="55" maxlength="255"> <br> <br> <input type="submit" name="submit" value="Add Download"> </form> <?php } ?></td> </tr> </table> </td> </tr> </table> </td> </tr> <tr> <td colspan="2"> <div align="center"><?php include("foot.txt"); ?> </div> </div> </td> </tr> </table></div> </body> </html>
Here is the bit that needs the work:

{

$ip = $_SERVER['REMOTE_ADDR'];
$date = date("d/m/Y");
$title = addslashes($_POST['title']);
$description = addslashes($_POST['description']);
$link = addslashes($_POST['link']);
$crack = addslashes($_POST['crack']);
$query = "INSERT INTO `downloads` (title, date, description, link, crack, ip) VALUES ('$title','$date','$description', '$link', '$crack', '$ip')";

$result = mysql_query($query);

if ($result) {
echo "<b>Download Added</b><br/>You can add another in 2 seconds.";
echo "<meta http-equiv=Refresh content=2;url=submit.php>";
} else {
echo "Download could not be added.<br/>";
}
}
else
{
?>
<br>
<form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>">
Title linenums:0'><? if(isset($_POST['submit'])) { $ip = $_SERVER['REMOTE_ADDR']; $date = date("d/m/Y"); $title = addslashes($_POST['title']); $description = addslashes($_POST['description']); $link = addslashes($_POST['link']); $crack = addslashes($_POST['crack']); $query = "INSERT INTO `downloads` (title, date, description, link, crack, ip) VALUES ('$title','$date','$description', '$link', '$crack', '$ip')"; $result = mysql_query($query); if ($result) { echo "<b>Download Added</b><br/>You can add another in 2 seconds."; echo "<meta http-equiv=Refresh content=2;url=submit.php>"; } else { echo "Download could not be added.<br/>"; } } else { ?> <br> <form method="post" action="<?php echo $_SERVER['PHP_SELF']; ?>"> Title: <br><input name="title" size="55" maxlength="255"> <br> <br> Description:<br><textarea name="description" rows="9" cols="50"></textarea> <br> <br> Link(s):<br> <textarea name="link" rows="6" cols="50">http://test.com/file0.rar<br> [url="https://www.test.com/; [url="https://www.test.com/; [url="https://www.test.com/; <br> <br> Crack/Password: <br> <input name="crack" size="55" maxlength="255"> <br> <br> <input type="submit" name="submit" value="Add Download"> </form> <?php } ?>
Thanks in advance for any help, im not very good at coding.

Notice from jlhaslip:

chenged code tags to codebox

galexcd · July 27, 2007

I'd suggest doing adding this if statement around your query:

if($title!="" && mysql_num_rows(mysql_query("SELECT * FROM `downloads` WHERE `title` = '".$title."'"))==0){//Your original code:$query = "INSERT INTO `downloads` (title, date, description, link, crack, ip) VALUES ('$title','$date','$description', '$link', '$crack', '$ip')";$result = mysql_query($query);}else echo"The title you entered was either invalid or already exists";

Edited July 27, 2007 by alex7h3pr0gr4m3r (see edit history)

wappy · July 27, 2007

Thanks i will try this out.

Edit: It works great but it was still showing Download Added text so i got round it like this:

if($title!="" && mysql_num_rows(mysql_query("SELECT * FROM `downloads` WHERE `title` = '".$title."'"))==0){  $add = 1;$query = "INSERT INTO `downloads` (title, date, description, link, crack, ip) VALUES ('$title','$date','$description', '$link', '$crack', '$ip')";$result = mysql_query($query);}else echo "<b>Download NOT Added</b><br/>The title you entered was either invalid or already exists.";if ($result) { if ($add==1){echo "<b>Download Added</b><br/>You can add another in 2 seconds.";}echo "<meta http-equiv=Refresh content=2;url=submit.php>";}

With the $add bit.
Edited July 27, 2007 by wappy (see edit history)

squeetox · July 27, 2007

I think you could even make it a little faster like this (if it's got a big database):

if($title!="" && mysql_num_rows(mysql_query("SELECT * FROM `downloads` WHERE `title` = '".$title."' LIMIT 1"))==0){$add = true;$query = "INSERT INTO `downloads` (title, date, description, link, crack, ip) VALUES ('$title','$date','$description', '$link', '$crack', '$ip')";$result = mysql_query($query);}else echo "<b>Download NOT Added</b><br/>The title you entered was either invalid or already exists.";if ($result) {if ($add){echo "<b>Download Added</b><br/>You can add another in 2 seconds.";}echo "<meta http-equiv=Refresh content=2;url=submit.php>";}

This way if it finds an entry it will stop querying, which is good for keeping MySQL queries as low as possible.
Edited July 27, 2007 by squeetox (see edit history)

wappy · July 27, 2007

Thanks, this has been a great help ;-)

galexcd · July 28, 2007

I think you could even make it a little faster like this (if it's got a big database):

if($title!="" && mysql_num_rows(mysql_query("SELECT * FROM `downloads` WHERE `title` = '".$title."' LIMIT 1"))==0){$add = true;$query = "INSERT INTO `downloads` (title, date, description, link, crack, ip) VALUES ('$title','$date','$description', '$link', '$crack', '$ip')";$result = mysql_query($query);}else echo "<b>Download NOT Added</b><br/>The title you entered was either invalid or already exists.";if ($result) {if ($add){echo "<b>Download Added</b><br/>You can add another in 2 seconds.";}echo "<meta http-equiv=Refresh content=2;url=submit.php>";}

This way if it finds an entry it will stop querying, which is good for keeping MySQL queries as low as possible.

Oh yes good point. I wasn't thinking too hard about it when i wrote my fix and didn't even think about efficiency. Yes limiting the ammount of rows it checks would save precious loading time.
Edited July 28, 2007 by alex7h3pr0gr4m3r (see edit history)

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