RE: [PHP] Update row problems

I'm processing on a different page so what would I use instead of $_POST? print_r($_POST) Didn't display anything or diagnose anything. Steve Jackson Web Developer Viola Systems Ltd. http://www.violasystems.com stephen.jackson@violasystems.com Mobile +358 50 343 5159 > -----Original Message----- > From: Tim Ward [mailto:timward@chessish.com] > Sent: 27. tammikuuta 2003 14:57 > To: Steve Jackson > Subject: Re: [PHP] Update row problems > > > sounds like $_POST[""catorder"] isn't an array - if > you're posting to the same page you need to wrap > the processing in something to test if the form has > been posted (e.g. is_array($_POST[""catorder"])), > or maybe you're using an older versionof PHP where > $_POST isn't available -try using print_r($_POST) > for diagnostics. > > Tim Ward > http://www.chessish.com > mailto:timward@chessish.com > ----- Original Message ----- > From: Steve Jackson <stephen.jackson@violasystems.com> > To: 'Tim Ward' <timward@chessish.com> > Sent: Monday, January 27, 2003 12:52 PM > Subject: RE: [PHP] Update row problems > > > > Ok, > > > > I put the query in the loop and now I get this error? > > > > foreach($_POST["catorder"] as $catid => $catorder) > > { > > $query = "update categories set catorder=$catorder where > > catid=$catid"; > > $result = mysql_query($query) or die("Query failure: " > > .mysql_error()); > > } > > > > Warning: Invalid argument supplied for foreach() > > in > /home/stephenj/public_html/viola/eadmin/eshop_processcatorder.php on > > line 27 > > > > Is it a $_POST problem? Using PHP 4.06 > > > > Steve Jackson > > Web Developer > > Viola Systems Ltd. > > http://www.violasystems.com > > stephen.jackson@violasystems.com > > Mobile +358 50 343 5159 > > > > > > > > > > > > > -----Original Message----- > > > From: Tim Ward [mailto:timward@chessish.com] > > > Sent: 27. tammikuuta 2003 14:11 > > > To: PHP General; Steve Jackson > > > Subject: Re: [PHP] Update row problems > > > > > > > > > your query needs to be inside the foreach loop > > > so that it runs for every item, at the moment it > > > just runs after you've scanned through all the items > > > so just does the last one. > > > > > > Tim Ward > > > http://www.chessish.com > > > mailto:timward@chessish.com > > > ----- Original Message ----- > > > From: Steve Jackson <stephen.jackson@violasystems.com> > > > To: PHP General <php-general@lists.php.net> > > > Sent: Monday, January 27, 2003 11:46 AM > > > Subject: [PHP] Update row problems > > > > > > > > > > Hi all, > > > > > > > > I've been playing with this for a few hours now (over the > > > course of a > > > > couple of days) and it's getting frustrating! > > > > > > > > All I want to do is to be able to make one row in the > > > database set the > > > > order that my categories appear on my website. Now I can do > > > this fine > > > > simply by using ORDER_BY but I want to have my users be > > > able to update > > > > the order through an admin page like so: > > > > > > > > ------------------------------------- > > > > Catid | catname | catdesc | catorder | > > > > 1 name desc 1 > > > > 2 name desc 2 > > > > 3 name desc 3 > > > > 4 name desc 4 > > > > ______________________________________ > > > > > > > > Basically I have a form which takes data from the table > above and > > > > displays catname (just echoed) and catorder in a text form > > > field. When > > > > I submit the form I want to update catorder with whatever > > > number the > > > > user puts in the field. > > > > > > > > Currently my code updates only one of the category order > > > numbers. So > > > > my form code: > > > > > > > > <form action="eshop_processcatorder.php" > > > > method="post"> > </td></tr> > > > > <? while ($array = mysql_fetch_array($mysql)) > > > > { > > > > echo "<tr><td width='150'><span > > > > class='adminisoleipa'>"; > > > > echo "{$array["catname"]}"; > > > > echo "</td><td><input type='text' > > > > size='2' > > > > name='catorder[{$array["catid"]}]' > value='{$array["catorder"]}'>"; > > > > echo "</span></td></tr>"; > > > > } > > > > ?> > > > > <tr><td><br> > > > > <input type="submit" name="Submit" > > > > value="Submit" class="nappi"> > > > > </form> > > > > > > > > That does everything I need it to do. > > > > > > > > However what am I doing wrong when I try to process it > using this > > > > code? > > > > > > > > foreach($_POST["catorder"] as $catid => $catorder) > > > > { > > > > $query = "update categories set catorder=$catorder where > > > > catid=$catid"; } > > > > $result = mysql_query($query) or die("Query failure: " > > > > .mysql_error()); > > > > if (!$result) > > > > { > > > > echo "<table width='100%' border='0' > > > > cellspacing='0' > > > > cellpadding='0' align='center' > > > > bgcolor='#629D39'>"; > > > > echo "<tr><td><img > > > > > > > > src='images/admin_orders_administrate.gif'></td></tr>"; > > > > echo "<tr><td>&nbsp;</td></tr>"; > > > > echo "<tr><td><span class='adminisoleipa'>Could > > > > not change > > > > details: please <a > > > > > > href='mailto:stephen.jackson@violasystems.com'>click > > > > here</a> to email the > > > > administrator<br><br></span>"; > > > > echo "</td>"; > > > > echo "</tr>"; > > > > echo "</table>"; > > > > } > > > > else > > > > { > > > > echo "<table width='100%' border='0' > > > > cellspacing='0' > > > > cellpadding='0' align='center' > > > > bgcolor='#629D39'>"; echo > > > > "<tr><td><img > > > > > > > > src='images/admin_orders_administrate.gif'></td></tr>"; > > > > echo "<tr><td>&nbsp;</td></tr>"; > > > > echo "<tr><td><span class='adminisoleipa'>The > > > > category page has > > > > had the order in which categories appear > changed.<br><br></span>"; > > > > echo "</td>"; echo "</tr>"; > > > > echo "</table>"; > > > > } > > > > > > > > Any help appraciated. > > > > Kind regards, > > > > > > > > Steve Jackson > > > > Web Developer > > > > Viola Systems Ltd. > > > > http://www.violasystems.com > > > > stephen.jackson@violasystems.com > > > > Mobile +358 50 343 5159 > > > > > > > > > > > > -- > > > > PHP General Mailing List (http://www.php.net/) > > > > To unsubscribe, visit: > > > > http://www.php.net/unsub.php > > > > > > > > > > > > > > > > > -- > > > PHP General Mailing List (http://www.php.net/) > > > To unsubscribe, visit: http://www.php.net/unsub.php > > > > > > > >