Briefly describe how php outputs xml attributes

This article mainly introduces the method of PHP outputting XML attributes. It analyzes the usage skills of PHP's method of operating XML file attributes with examples. It has certain reference value. Friends in need can refer to it.

The examples of this article are described The method for php to output xml attributes. The specific analysis is as follows:

This code demonstrates through a simple example how php reads an xml file and outputs xml attributes

<?php
  $xml = simplexml_load_file("books.xml");
  foreach($xml->book[0]->author->attributes() AS $a => $b) {
   echo "$a = $b <br />";
  }
?>

xml file content is as follows

<library>
  <book>
   <title>A</title>
   <author gender="female">B</author>
   <description>C</description>
  </book>
  <book>
   <title>C</title>
   <author gender="male">D</author>
   <description>E</description>
  </book>
  <book>
   <title>F</title>
   <author gender="male">G</author>
   <description>H</description>
  </book>
</library>

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