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Posted by Joseph Melnick on 06/14/05 15:07
Hello Darren,
I think that the offending line Is the If statement below as
$_GET["cat_id"] may not exist:
if ( $_GET["cat_id"] == "$cat_id") {
to fix this you could use a statement like th one below.
if (array_key_exists("cat_id",$_GET) and $_GET["cat_id"] ==
"$cat_id") {
Cheers
Joseph Melnick
JM Web Consultants
http://www.jphp.com/
"darren" <darren@NOSPAMemdnet.co.uk> wrote in message
news:d8mcf1$4vk$1@nwrdmz03.dmz.ncs.ea.ibs-infra.bt.com...
> Thanks,
>
> I put the quotes in and I am now left with 3 error messages:-
>
> Notice: Undefined index: cat_id in c:\program
> files\easyphp1-7\www\phpshop\seestore.php on line 26
>
> Notice: Undefined index: cat_id in c:\program
> files\easyphp1-7\www\phpshop\seestore.php on line 26
>
> Notice: Undefined index: cat_id in c:\program
> files\easyphp1-7\www\phpshop\seestore.php on line 26
>
>
> <?php
> //connect to database
> $conn = mysql_connect("localhost", "darrenludlam", "dazza5972") or
> die(mysql_error());
> mysql_select_db("phpshop",$conn) or die(mysql_error());
>
> $display_block = "<h1>My Categories</h1>
> <P>Select a category to see its items.</p>";
>
> //define variables
> //$cat_id="0";
>
> //show categories first
> $get_cats = "select id, cat_title, cat_desc from store_categories order by
> cat_title";
> $get_cats_res = mysql_query($get_cats) or die(mysql_error());
>
> if (mysql_num_rows($get_cats_res) < 1) {
> $display_block = "<P><em>Sorry, no categories to browse.</em></p>";
> } else {
> while ($cats = mysql_fetch_array($get_cats_res)) {
> $cat_id = $cats["id"];
> $cat_title = strtoupper(stripslashes($cats["cat_title"]));
> $cat_desc = stripslashes($cats["cat_desc"]);
>
> $display_block .= "<p><strong><a
> href=\"$_SERVER[PHP_SELF]?cat_id=$cat_id\">$cat_title</a></strong><br>$cat_desc</p>";
>
> if ($_GET["cat_id"] == "$cat_id") {
> //get items
> $get_items = "select id, item_title, item_price from store_items
> where cat_id = $cat_id order by item_title";
> $get_items_res = mysql_query($get_items) or die(mysql_error());
>
> if (mysql_num_rows($get_items_res) < 1) {
> $display_block = "<P><em>Sorry, no items in this
> category.</em></p>";
> } else {
> $display_block .= "<ul>";
>
> while ($items = mysql_fetch_array($get_items_res)) {
> $item_id = $items[id];
> $item_title = stripslashes($items[item_title]);
> $item_price = $items[item_price];
>
> $display_block .= "<li><a
> href=\"showitem.php?item_id=$item_id\">$item_title</a></strong>
> (\$$item_price)";
> }
>
> $display_block .= "</ul>";
> }
> }
> }
> }
> ?>
> <html>
> <HEAD>
> <TITLE>My Categories</TITLE>
> </HEAD>
> <BODY>
> <? print $display_block; ?>
> </BODY>
> </HTML>
>
> Many thanks
>
> Darren
>
> "rush" <pipa@rush.avalon.hr> wrote in message
> news:d8m8j9$b9i$1@ss405.t-com.hr...
>> "darren" <darren@NOSPAMemdnet.co.uk> wrote in message
>> news:d8m3nf$bau$1@nwrdmz01.dmz.ncs.ea.ibs-infra.bt.com...
>>> Hello I have just copied the code below from a book and I get the
>> following
>>> errors but the code does actually work. Is it a problem with relative
>>> paths?
>>
>> nope, it is problem with undeclared string constants.
>>
>> Older versions of php would let you write something like:
>>
>> $a = some_my_stuff ;
>>
>> if some_my_stuff was not declared at this point as constant, php would
>> autodeclare it to be 'some_my_stuff'
>>
>> So number of people got used to write some simple string constants (like
>> some_my_stuff) without quotes, which was rather sloppy habit. To
>> mittigate
>> situations never versions of php started complaining about it.
>>
>> Best thing you can do is to go through your list of errors, and on each
>> line
>> mentioned you will find some unquoted string constant (also mentioned in
>> error message). Put quotes aroind it, and you are done.
>>
>> rush
>> --
>> http://www.templatetamer.com/
>> http://www.folderscavenger.com/
>>
>>
>
>
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