(PHP 5, PHP 7, PHP 8)
DOMComment::__construct โ ๆฐใใ DOMComment ใชใใธใงใฏใใไฝๆใใ
ๆฐใใ DOMComment ใชใใธใงใฏใใไฝๆใใพใใ ใใฎใชใใธใงใฏใใฏ่ชญใฟ่พผใฟๅฐ็จใงใใใใฎใชใใธใงใฏใใใใญใฅใกใณใใซ ่ฟฝๅ ใใใใจใๅฏ่ฝใงใใใใใผใใใใญใฅใกใณใใจ้ข้ฃไปใใใใใพใงใฏ ใใผใใ่ฟฝๅ ใใใใจใฏใงใใพใใใๆธใ่พผใฟๅฏ่ฝใชใใผใใไฝๆใใใซใฏใ DOMDocument::createComment ใไฝฟ็จใใพใใ
dataใณใกใณใใฎๅคใ
ไพ1 ๆฐใใ DOMComment ใไฝๆใใ
<?php
$dom = new DOMDocument('1.0', 'iso-8859-1');
$element = $dom->appendChild(new DOMElement('root'));
$comment = $element->appendChild(new DOMComment('root comment'));
echo $dom->saveXML(); /* <?xml version="1.0" encoding="iso-8859-1"?><root><!--root comment--></root> */
?>