PHP | XMLReader readOuterXml() Function

The XMLReader::readOuterXml() function is an inbuilt function in PHP which is used to read the contents of the current node, including the node itself.

Syntax:

string XMLReader::readOuterXml( void )

Parameters: This function doesn’t accept any parameter.

Return Value: This function returns the contents of current node, including itself, as a string or empty string on failure.

Below examples illustrate the XMLReader::readOuterXml() function in PHP:

Example 1: In this program, we will read the value of an element without sub-nodes.

• data.xml

  
  

  
  
  

  <?xml version="1.0" encoding="utf-8"?> <div>     <h1>Hello World</h1> </div>

• index.php

  
  

  
  
  

  <?php    // Create a new XMLReader instance $XMLReader = new XMLReader();    // Open the XML file $XMLReader->open('data.xml');    // Iterate through the XML nodes to // reach the h1 element $XMLReader->read(); $XMLReader->read(); $XMLReader->read();    // Print the XML content // Here it will include itself, // <h1> tags also echo "The text inside is:" .      $XMLReader->readOuterXml(); ?>

• Output:
  

Example 2: In this program, we will read the value of an element with sub-nodes.

• data.xml

  
  

  
  
  

  <?xml version="1.0" encoding="utf-8"?> <div>     <h1>Hello World        <sub>G4G</sub>     </h1> </div>

• index.php

  
  

  
  
  

  <?php    // Create a new XMLReader instance $XMLReader = new XMLReader();    // Open the XML file $XMLReader->open('data.xml');    // Iterate through the XML nodes to // reach the h1 element $XMLReader->read(); $XMLReader->read(); $XMLReader->read();    // Print the XML content echo "The text inside is:" .      $XMLReader->readOuterXml(); ?>

• Output:
  

Reference: https://www.php.net/manual/en/xmlreader.readouterxml.php