PHP | DOMNode removeChild() Function

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The DOMNode::removeChild() function is an inbuilt function in PHP which is used remove child from list of children.

Syntax:

DOMNode DOMNode::removeChild( DOMNode $oldnode )

Parameters: This function accepts a single parameter $oldnode which holds the child to remove.

Return Value: This function returns the removed child on success.

Exceptions: This function throws DOM_NO_MODIFICATION_ALLOWED_ERR, if the node is readonly and DOM_NOT_FOUND, if $oldnode is not a child of this node.

Below examples illustrate the DOMNode::removeChild() function in PHP:

Example 1:

<?php 
  
// Create a new DOMDocument instance 
$document = new DOMDocument(); 
  
// Create a div element 
$element = $document->  
        appendChild(new DOMElement('div')); 
  
// Create a text Node 
$text1 = $document-> 
          createTextNode('zambiatek'); 
  
// Append the nodes 
$element->appendChild($text1); 
  
// Remove the child 
$element->removeChild($text1); 
  
// Render the XML 
echo $document->saveXML(); 
?> 

Output: Press Ctrl+U to see the XML

Example 2:

<?php 
  
// Create a new DOMDocument instance 
$document = new DOMDocument(); 
  
// Create a h1 element 
$element = $document-> 
             appendChild(new DOMElement('h1')); 
  
// Create the text Node 
$text1 = $document-> 
               createTextNode('zambiatek'); 
$text2 = $document-> 
          createTextNode('Text to be removed'); 
  
// Append the nodes 
$element->appendChild($text1); 
$element->appendChild($text2); 
  
// Remove the child 
$element->removeChild($text2); 
  
// Render the output 
echo $document->saveXML(); 
?> 