Parse rss feed

I have the following feed ...

<any_feed_product_list>
<product>
<name>Obagi Nu-Derm Healthy Skin Protection SPF 35 (6)</name>
-
<url>
http://dermrealm.com/shop/index.php?route=product/product&product_id=87;
</url>
<category>Featured Product</category>
<image>http://dermrealm.com/shop/image/data/A0208.jpg</image>
<price>55.0000</price>
<special_price>45.0000</special_price>
</product>
</any_feed_product_list>


I am not sure how to parse these feed tags... here's what I have tried:

<?php

// TEST DATA FROM THE POST AT EE
$xml = file_get_contents('http://72.10.39.100/shop/index.php?route=feed/any_feed');

// MUNG THE XML BECAUSE WE DO NOT HAVE THE NAMESPACE INFORMATION
$xml = str_replace('content:encoded', 'content__encoded', $xml);
$xml = str_replace('isc:',            'isc__',            $xml);

// CONVERT THE XML TO AN OBJECT
$obj = SimpleXML_Load_String($xml, 'SimpleXMLElement', LIBXML_NOCDATA);


$item_cat = $obj->channel->product->category;      

echo "$item_cat";

?>


Thanks!

pixelscapeAsked:
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f_o_o_k_yCommented:
Hello,
Why to write your owne parser when you can use what is already avaiable on web.

http://magpierss.sourceforge.net/

This one looks nice.

Best Regards
FooKy
0
Chris HarteThaumaturgeCommented:
Rss feeds have a common layout of [channel] [item].
This code will show it up
$url = "http://dermrealm.com/shop/index.php?route=feed/latest_products_rss&currency=USD";

$contents = file_get_contents($url);

$data = simplexml_load_string($contents);

//echo "<pre>";     // <-- uncomment these for the layout of the rss feed
//print_r($data);

foreach ($data->channel->item as $item)
{
    echo $item->title;
    echo $item->description;
    echo $item->link;
    echo "<br />";

}

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pixelscapeAuthor Commented:
Thanks guys, I have tried both of your suggestions and I am still not able to pull say the title tag from this feed and echo as a test. http://72.10.39.100/shop/index.php?route=feed/any_feed
0
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Ray PaseurCommented:
This question seems to keep coming up in different variants over and over.  What you have posted here is not an RSS feed!  In addition, the URL you posted for us points to http://72.10.39.100/shop/index.php?route=feed/any_feed and that is not an RSS feed, either (tags named special and price are not RSS tags).  And there is no <title> tag in anything you posted here at EE.

For better or worse, computer programming is a fairly precise activity, sort of like flying an airplane.  Errors of terminology and misunderstandings of common practice are likely to create results that are suboptimal for everyone involved.

RSS is a specialized subset of XML, with a specialized set of XML tags.  You can learn what RSS is by reading the information here.  I urge you to do that.
http://cyber.law.harvard.edu/rss/rss.html

The general design pattern for using a random XML string (what you've posted here is a random XML string) is shown in the code snippet.   It is installed on my server here
http://www.laprbass.com/RAY_temp_pixelscape.php

The output looks something like this:
Obagi Nu-Derm Healthy Skin Protection SPF 35 (6): http://dermrealm.com/shop/image/data/A0208.jpg
<?php // RAY_temp_pixelscape.php
error_reporting(E_ALL);
echo "<pre>";


// THE XML STRING POSTED AT EE
$xml = <<<ENDXML
<any_feed_product_list>
<product>
<name>Obagi Nu-Derm Healthy Skin Protection SPF 35 (6)</name>
-
<url>
http://dermrealm.com/shop/index.php?route=product/product&amp;product_id=87;
</url>
<category>Featured Product</category>
<image>http://dermrealm.com/shop/image/data/A0208.jpg</image>
<price>55.0000</price>
<special_price>45.0000</special_price>
</product>
</any_feed_product_list>
ENDXML;


// CONVERT THE XML TO AN OBJECT
$obj = SimpleXML_Load_String($xml);

// ACTIVATE THIS TO SHOW HOW WE CAN SEE WHAT IS IN THE XML STRING, AFTER CONVERSION TO AN OBJECT
// var_dump($obj);

// GET TITLE AND ENCLOSURE IF THERE IS ONE
foreach($obj->product as $p)
{
    $t = (string)$p->name;
    $i = (string)$p->image;
    echo "<br/>$t: $i";
}

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pixelscapeAuthor Commented:
Thanks Ray, I figured it out. Thanks for the links I'll read up on this some more now that it's something I am having to develop more often. thanks
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Ray PaseurCommented:
Thanks for the points.  For what it's worth, most of the books I have read about PHP and XML are not very good.  My recommendation is to use var_dump() liberally and post your questions here at EE.  I think the EE community is more up-to-date than the authors of books about the topics.  Best regards, ~Ray
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