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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