PHP | XMLReader readInnerXml() Function

The XMLReader::readInnerXml() function is an inbuilt function in PHP which is used to read the contents of the current node, including child nodes and markup.

Syntax:

string XMLReader::readInnerXml( void )

Parameters: This function doesn’t accept any parameters.

Return Value: This function returns the content of the current node as a string or empty string in case of failure.

Below examples illustrate the XMLReader::readInnerXml() 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
  echo "The text inside is:"
      . $XMLReader->readInnerXml();
  ?>
• Output:

  The text inside is: Hello World

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

• data.xml

  <?xml version="1.0" encoding="utf-8"?>
  <div>
      <h1> GeeksforGeeks <h2>World</h2></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->readInnerXml();
  ?>
• Output:
  

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