PHP | XMLReader readInnerXml() Function

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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> zambiatek <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(); 
?> 