PHP - XMLReader::moveToElement() Function

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Definition and Usage

XML is a mark-up language to share the data across the web, XML is for both human read-able and machine read-able. XMLReader extension is used to read/retrieve the contents of an XML document i.e. using the methods of the XMLReader class you can read each node of an XML document.

The XMLReader::moveToElement() function of the XMLReader class moves the cursor to the parent element of the current attribute in the XML document.

Syntax

XMLReader::moveToElement();

Parameters

This function does not accept any parameters.

Return Values

This function returns a boolean value which is TRUE on success and FALSE incase of failure.

PHP Version

This function was first introduced in PHP Version 5 and works in all the later versions.

Example

Following example demonstrates the usage of the XMLReader::moveToElement() function −

data.xml

<Employee>
   <Name id = "name">Krishna</Name>
   <Age id = "age">22</Age>
   <City id = "city">Hyderabad</City>   
   <Phone id = "phone">980000000</Phone>   
</Employee>

sample.php

<?php
   //Creating an XMLReader
   $reader = new XMLReader();

   //Opening a reader
   $reader->open("trail.xml");

   //Reading the contents of the XML file
   while($reader->read()){
      if ($reader->nodeType == XMLREADER::ELEMENT) { 
         $res = $reader->moveToAttribute('id'); 
         $reader->moveToElement(); 
         print($reader->name."\n");
      }
   }
   //Closing the reader
   $reader->close();
?>

This will produce following result −

Employee
Name
Age
City
Phone

Example

Following is another example of this function −

test.xml

<data> 
   <name att = "test_attribute">Raju</name> 
   <age>32</age> 
   <phone>9848022338</phone> 
	<city>Hyderabad</city>
</data> 

sample.php

<?php
   //Creating an XMLReader
   $reader = new XMLReader();

   //Opening a reader
   $reader->open("trail.xml");

   //Reading the contents
   $reader->next();
   $reader->read();
   $reader->next();
   $reader->moveToAttribute("att");

   $reader->moveToElement(); 
   print($reader->name."\n");

   //Closing the reader
   $reader->close();
?>

This will produce following result −

near

Example

<?php
   //Creating an XMLReader
   $reader = new XMLReader();

   $data = "<data> 
      <name att = 'test_attribute'>Raju</name> 
      <age>32</age> 
      <phone>9848022338</phone> 
      <city>Hyderabad</city>
   </data> ";

   //Opening a reader
   $reader->xml($data);

   //Reading the contents
   $reader->next();
   $reader->read();
   $reader->next();
   $reader->moveToAttribute("att");

   $reader->moveToElement(); 
   print($reader->name."\n");

   //Closing the reader
   $reader->close();
?>

This will produce following result −

test_attribute