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Posted by darren on 06/14/05 16:48
Thanks Joseph,
Don't really understand what I've done but it works.
Darren
"Joseph Melnick" <jmelnick@jphp.com> wrote in message
news:U-udnXX38YCZVTPfRVn-rA@rogers.com...
> 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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