DOMProcessingInstruction::__construct
PHP function
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(PHP 5, PHP 7, PHP 8)
Creates a new DOMProcessingInstruction object
Description
DOMProcessingInstruction::__construct(string $name, string $value = "")
Creates a new DOMProcessingInstruction object. This object is read only. It may be appended to a document, but additional nodes may not be appended to this node until the node is associated with a document. To create a writeable node, use domdocument.createprocessinginstruction.
Parameters
nameThe tag name of the processing instruction.
valueThe value of the processing instruction.
Examples
Creating a new DOMProcessingInstruction object
php
<?php
$dom = new DOMDocument('1.0', 'UTF-8');
$html = $dom->appendChild(new DOMElement('html'));
$body = $html->appendChild(new DOMElement('body'));
$pinode = new DOMProcessingInstruction('php', 'echo "Hello World"; ');
$body->appendChild($pinode);
echo $dom->saveXML();
?>The above example will output:
output
<?xml version="1.0" encoding="UTF-8"?>
<html><body><?php echo "Hello World"; ?></body></html>See Also
DOMDocument::createProcessingInstruction