Get XML attribute name (not value) using PHP

Question

     <Parent>
  <Children idontknowthis='thisisnotmyquestion'>
   <x>1</x>
   <x>2</x>
   <x>3</x>
   <x>4</x>
  </Children>
 </Parent>

Example an .xml file I'm working with below. My script would need to establish "id" by itself (to be clear I can already get bk109)...

   <book id="bk109">
      <author>Kress, Peter</author>
      <title>Paradox Lost</title>
      <genre>Science Fiction</genre>
      <price>6.95</price>
      <publish_date>2000-11-02</publish_date>
      <description>After an inadvertant trip through a Heisenberg
      Uncertainty Device, James Salway discovers the problems 
      of being quantum.</description>
   </book>

For the purpose of an XML import script in PHP which will import many different XML files. How do I obtain the attribute names? (i.e. "id")

I was using something like... foreach( $xml5 as $header => $book ) { echo $book->attributes().'<br>'; } — Ryan Bayne
– Ryan Bayne, Commented Jul 22, 2013 at 22:41
This question appears to be off-topic because it is about reading about the topic in the manual (or using the search here on site). — hakre
– hakre, Commented Jul 23, 2013 at 13:40

Ryan · Accepted Answer · 2013-07-22 22:31:58Z

1

Use SimpleXML's attributes property.

See http://php.net/manual/en/simplexmlelement.attributes.php

answered Jul 22, 2013 at 22:31

Ryan

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