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PHP | XMLReader readOuterXml() Function
  • Last Updated : 18 Mar, 2020

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




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