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PHP | DOMCharacterData deleteData() Function

Last Updated : 20 Feb, 2020
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The DOMCharacterData::deleteData() function is an inbuilt function in PHP which is used to remove a range of characters from the node. Syntax: 
void DOMCharacterData::deleteData( int $offset, int $count )
Parameters: This function accept two parameters as mentioned above and described below:
  • $offset: It specifies the starting position to deleted data.
  • $count: It specifies the number of characters to delete.
Return Value: This function does not return any value. Below given programs illustrate the DOMCharacterData::deleteData() function in PHP: Program 1: php 
<?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'));

// Delete all data
$text->deleteData(0, 9);

echo $dom->saveXML();
?>

<?xml version="1.0" encoding="iso-8859-1"?>
<div><![CDATA[]]></div>
Output: Use Chrome Developer tools to view the HTML or press Ctrl+U Program 2: php 
<?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'));

// Delete all data
$text->deleteData(0, 9);

// Adding new data again
$text->insertData(0, 'New data');

echo $dom->saveXML();
?>

<?xml version="1.0" encoding="iso-8859-1"?>
<div><![CDATA[New data]]></div>
Output: Reference: https://www.php.net/manual/en/domcharacterdata.deletedata.php

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PHP | DOMCharacterData deleteData() Function
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