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Re: Dynamic Links (MySQL/PHP) [message #179222 is a reply to message #179218] Tue, 25 September 2012 18:02 Go to previous messageGo to previous message
Luuk is currently offline  Luuk
Messages: 329
Registered: September 2010
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On 25-09-2012 19:27, tom(dot)rankin51(at)googlemail(dot)com wrote:
> Hello
>
> I have a very basic knowledge of PHP and MySQL and sought help from a friend who initially was someone I can turn to but now can't provide me with any help (!) ...and so to Google Groups!
>
> I am trying to display preview text on a webpage and then after clicking a link it will take you to the full item. It must be quite a simple thing to do, however, I am getting a completely blank page. I get no errors, and I have no syntax errors that I can see so I'm struggling to see what I have done wrongly.
>
> My code on the main page is :
>
> <?
> include("php/dbinfo.inc.php");
>
> mysql_connect($hostname,$username,$password);
> @mysql_select_db($database) or die( "Unable to select database");
>
> $mydate=date("Y-m-d",strtotime("-2 weeks"));
>
> $news_query=mysql_query("SELECT id, postdate, title, SUBSTRING_INDEX(body,' ',20) as preview_text, body FROM NewsContent WHERE postdate > '$mydate' ORDER BY postdate DESC");
>
> mysql_close();
> ?>
>
> <div>
> <ol>
> <!-- START OF PHP SCRIPT (NEWS) -->
> <?
> while($r=mysql_fetch_assoc($news_query)) {
> echo '<li id="'.$r["id"].'">';
> echo '<h2 class="body-headline">';
> echo $r["title"];
> echo '</h2>';
> echo '<h3 class="date-heading">';
> echo date("d-M-Y",strtotime($r["postdate"]));
> echo '</h3>';
> echo nl2br ($r["preview_text"]);
> echo '...<a class="fancybox fancybox.ajax" href="news.php?id='.$r["id"].'">show more</a>';
> echo '</li><hr />';
> } ?>
> <!-- END OF PHP SCRIPT (NEWS) -->
> </ol>
> </div>
>
> Note that I'm using a fancybox script, but this happens without using that script also.
>
> In my news item page I have done the following:
>
> <?
> include("php/dbinfo.inc.php");
>
> mysql_connect($hostname,$username,$password);
> @mysql_select_db($database) or die( "Unable to select database");
>
> $id = $_GET['id'];
> $sql = "SELECT id, postdate, title, body FROM NewsContent WHERE id = '$id'";
> $news_query=mysql_query($sql);
> IF ($news_query){
> $r = mysql_fetch_row($news_query);
>
> $title = $r["title"];
> $body = $r["body"];
> }
>
> mysql_close();
> ?>
>
> <div>
> <h2>
> <?
> echo $r["title"];
> ?>
> </h2>
> <div class="modal-nav-links">
> <p><?php echo $r["body"] ?></p>
> <!-- <div style="clear: both;"></div> -->
> </div>
> </div>
>
>
> I was under the impression that this would work, but no dice. Can someone with a bit of experience give me an idea of what I'm doing incorrectly?
>
> Thanks in advance
> Tom
>

There is a missing 'mysql_select_db()'
http://php.net/manual/en/function.mysql-select-db.php

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