Hi David, im using MP to create a simple directory of links from an XML file.
I only want to display the records where parent="root", ive pasted my code below.
Thought this would work? if (($link["PARENT"] == "ROOT")){ }
XML file:
<?xml version="1.0" encoding="iso-8859-1"?>
<links>
<link>
<name>Rings</name>
<url>http://www.designer-jewellery-store.com/rings/</url>
<parent>root</parent>
</link>
<link>
<name>Earrings</name>
<url>http://www.designer-jewellery-store.com/earrings/</url>
<parent>root</parent>
</link>
<link>
<name>Watches</name>
<url>http://www.designer-jewellery-store.com/watches/</url>
<parent>root</parent>
</link>
</links>And here is my php:
<?php
require("MagicParser.php");
function myRecordHandler($link)
{
if (($link["PARENT"] == "ROOT"))
{
print "<a href='".$link["URL"]."'>".$link["NAME"]."</a> ";
}
else
{
print "no root categories <br />";
}
}
MagicParser_parse("MagicParserTest.xml","myRecordHandler","xml|LINKS/LINK/");
?>Thanks for any comments
Thanks for that David, however what i was really trying to figure out was why $link["PARENT"] == "root" doesnt equal true?
It should be true for all 3 items in the the XML file.
thanks
Hi badger;
It certainly should do - although based on your pasted XML it will be "root" in lower case and not upper case as in your first example. Have you tried print_r($link) to confirm the value of each item in the array?
Cheers,
David.
I have it as lower case. And the output from print_r($link) is
Array ( [LINK] => [NAME] => Rings [URL] => http://www.designer-jewellery-store.com/rings/ [PARENT] => root ) Array ( [LINK] => [NAME] => Gold Rings [URL] => http://www.designer-jewellery-store.com/gold-rings/ [PARENT] => rings ) Array ( [LINK] => [NAME] => Earrings [URL] => http://www.designer-jewellery-store.com/earrings/ [PARENT] => root ) Array ( [LINK] => [NAME] => Watches [URL] => http://www.designer-jewellery-store.com/watches/ [PARENT] => root )This is really confusing me?!?
Hi,
It may be white space or other unprintable (within HTML characters). The first thing I would try is this:
if (trim($link["PARENT"]) == "root")If this doesn't help, perhaps you could email me a sample of your XML (reply to your forum registration email) and i'll take a look for you...
Cheers,
David.
That's is :)
Thanks a bunch, this was driving me mad!!
Hi,
You're almost there. The main problem I can see is that you are printing that there are no root categories within your record handler function - however at that point you don't know if there are going to be any further (or have been any previous) root categories - so this is not the place to make this decision.
Your code to only display a link if the parent is root is still correct; all you need to do is create a global variable to count the number of root links displayed, and if it is still zero after the call to MagicParser_parse() then you can print the message that no root links exist. For example: (based on your code)
<?phprequire("MagicParser.php");
function myRecordHandler($link)
{
global $counter;
// I think root will be lower case - check this with your XML
if (($link["PARENT"] == "root"))
{
// increment counter of root links
$counter++;
print "<a href='".$link["URL"]."'>".$link["NAME"]."</a> ";
}
}
MagicParser_parse("MagicParserTest.xml","myRecordHandler","xml|LINKS/LINK/");
if (!$counter)
{
print "no root categories <br />";
}
?>
Hope this helps,
Cheers,
David.