PHP | DOMCharacterData appendData() Function

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The DOMCharacterData::appendData() function is an inbuilt function in PHP which is used to append the string to the end of the character data of the node.

Syntax:

public DOMCharacterData::appendData( string $data )

Parameters: This function accepts a single parameter $data which holds the string that need to append.

Return Value: This function does not return any value.

Below given programs illustrate the DOMCharacterData::appendData() function in PHP:

Program 1:

<?php 
  
// Create a new DOM Document 
$dom = new DOMDocument('1.0', 'iso-8859-1'); 
  
// Create a div element 
$element = $dom->appendChild(new DOMElement('div')); 
  
// Create a DOMCdataSection  
$text = $element->appendChild( 
        new DOMCdataSection('Hey this is my DOMC')); 
  
// Append data at the end 
$text->appendData(' This is appended text'); 
  
echo $dom->saveXML(); 
?> 

<?xml version="1.0" encoding="iso-8859-1"?>
<div>
    <![CDATA[Hey this is my DOMC This is appended text]]>
</div>

Output: Use Chrome Developer tools to view the HTML or press Ctrl+U

Program 2:

<?php 
  
// Create a new DOM Document 
$dom = new DOMDocument('1.0', 'iso-8859-1'); 
  
// Create a div element 
$element = $dom->appendChild(new DOMElement('div')); 
  
// Create a DOMCdataSection  
$text = $element->appendChild( 
        new DOMCdataSection('DOMC Data')); 
  
// Overwriting by deleting old data 
$text->deleteData(0, 9); 
$text->appendData(' This is appended text'); 
  
echo $dom->saveXML(); 
?> 

Output:

<?xml version="1.0" encoding="iso-8859-1"?>
<div><![CDATA[ This is appended text]]></div>

Reference: https://www.php.net/manual/en/domcharacterdata.appenddata.php

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