PHP XML DOM Get Childnodes and Attributes

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PHP XML DOM Get Childnodes and Attributes

 
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  #1
Jun 6th, 2009
I am trying to parse a XML document but can not seem to parse both Childnodes and Attributes in the same Foreach statement.

=====================
PHP CODE
=====================
PHP Syntax (Toggle Plain Text) 
  1. <?PHP
  2. $webResults = $response->getElementsByTagName($prnt0);
  3. if ($webResults->length<>0) {
  4. foreach($webResults as $value){
  5. $title =  $value->childNodes->item($child1)->nodeValue;
  6. }
  7. }
  8. ?>

Need the title childnode and all links from tag name "links" attribute "href" Thanks in Advance!

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XML is from twitter
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PHP Syntax (Toggle Plain Text) 
  1. <?xml version="1.0" encoding="UTF-8"?>
  2. <feed xmlns:google="base.google.com/ns/1.0" xml:lang="en-US" xmlns:openSearch="a9.com/-/spec/opensearch/1.1/" xmlns="www.w3.org/2005/Atom" xmlns:twitter="api.twitter.com/">
  3. <entry>
  4.     <id>tag:search.twitter.com,2005:1982519510</id>
  5.     <published>2009-05-31T18:22:20Z</published>
  6.     <link type="text/html" rel="alternate" href="twitter.com/buildasearch/statuses/1982519510"/>
  7.     <title>New Search Background Uploader ! Upload your favorite background image to BuildaSearch.  GIF - JPEG - PNG.  Just do it!</title>
  8.     <content type="html">New Search Background Uploader ! Upload your favorite background image to &lt;b&gt;BuildaSearch&lt;/b&gt;.  GIF - JPEG - PNG.  Just do it!</content>
  9.     <updated>2009-05-31T18:22:20Z</updated>
  10.     <link type="image/png" rel="image" href="amazonaws.com/twitter_production/profile_images/66983558/build_normal.png"/>
  11.     <twitter:source>&lt;a href="twitter.com/"&gt;web&lt;/a&gt;</twitter:source>
  12.     <twitter:lang>en</twitter:lang>
  13.     <author>
  14.       <name>buildasearch (buildasearch)</name>
  15.       <uri>twitter.com/buildasearch</uri>
  16.     </author>
  17.   </entry>
  18. </feed>
Last edited by lonestar23; Jun 6th, 2009 at 7:59 pm. Reason: misspelling
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Re: PHP XML DOM Get Childnodes and Attributes

 
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  #2
Jun 7th, 2009
Have you tried using a print_r( $webResults ); statement to make sure that this variable has the values you are hoping for?
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Re: PHP XML DOM Get Childnodes and Attributes

 
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  #3
Jun 7th, 2009
I got the following running print_r($webResults);

"DOMNodeList Object ()" and that is all....
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Re: PHP XML DOM Get Childnodes and Attributes

 
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  #4
Jun 7th, 2009
So the issue is above the decleration of $webResults, whats $prnt0 ?

It seems like the method you are using to fetch the data is not working.
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Re: PHP XML DOM Get Childnodes and Attributes

 
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  #5
Jun 7th, 2009
$prnt0 equals 'entry'

PHP Syntax (Toggle Plain Text) 
  1. <?PHP
  2. $gurl = 'search.twitter.com/search.atom?lang=en&q=devo'
  3.  
  4. $getUrl = $gurl;
  5. $resUrl = new DOMDocument();
  6. $resUrl->load($getUrl);
  7.  
  8. $prnt0 = 'entry';
  9. $webResults = $resUrl->getElementsByTagName($prnt0);
  10. if ($webResults->length<>0) {
  11. foreach($webResults as $value){
  12. $title =  $value->childNodes->item($child1)->nodeValue;
  13. }
  14. }
  15. ?>

Let me know if the new code is detailed enough. I know how to get the attributes using SimpleXML and DOM, but can not frigure out how to get childnodes and attribute information at the same time using DOM.

Thanks,
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Re: PHP XML DOM Get Childnodes and Attributes

 
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  #6
Jun 7th, 2009
This seems to be your issue $webResults = $resUrl->getElementsByTagName($prnt0); .

Try print_r( $resUrl ); this should print out something.

You need to do this for pretty much every variable you have so as you know were things are dropping their values.

Maybe take a look at either the manual or the documentation about this specific method as I don't have much knowledge of it.

Could you not create a function that uses a series of explotions and loops to extract the values?

I could give you some help with this. I am not really much of a PHP 5 & 6 guy as I learnt PHP years ago. PHP 5 should suffice.
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Re: PHP XML DOM Get Childnodes and Attributes

 
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  #7
Jun 7th, 2009
@Josh, PHP 6 doesn't exist yet and wont for a long while

For lonestar. getElementsByTagName returns a DOMNodeList which, when iterated over, each entry is a DOMNode which can act as a DOMElement which has the function getAttribute($attr_name); So you can do (in theory, see php.net/DOM):
php Syntax (Toggle Plain Text) 
  1. $elemlist = $someDom->getElementsByTagName('link');
  2. foreach($elemlist as $elem) {
  3.   var_dump($elem);
  4. }
}
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Re: PHP XML DOM Get Childnodes and Attributes

 
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Jun 11th, 2009
Oh I am in my own little world, don't mind me .

I haven't taken much of a look at PHP5. Not sure if it is the version but the shit with all of the arrows, make my neck crawl. It seems pointless.
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Re: PHP XML DOM Get Childnodes and Attributes

 
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Jun 11th, 2009
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Originally Posted by Josh Connerty View Post
Oh I am in my own little world, don't mind me .

I haven't taken much of a look at PHP5. Not sure if it is the version but the shit with all of the arrows, make my neck crawl. It seems pointless.
That "shit with all of the arrows" is OOP, you'll pretty much have to learn it to work on any PHP newer than version 4. Do a few google searches on imperative vs object oriented programming and you'll have your answer to whether or not it's pointless
GCS d- s+ a-->? C++(++++) UL+++ P+>+++ L+++ E--- W+++
N+ o K w++(---) O? !M- V PS+>++ PE+ Y+ PGP !t- 5? X- R tv+
b+>++ DI+ D G++>+++ e+ h+>++ r y+
PMs asking for help will not be answered, post on the forums. That's what they're there for.
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