(PHP 5, PHP 7, PHP 8)
DOMEntityReference::__construct โ ๆฐใใ DOMEntityReference ใชใใธใงใฏใใไฝๆใใ
ๆฐใใ DOMEntityReference ใชใใธใงใฏใใไฝๆใใพใใ
nameใจใณใใฃใใฃๅ็ งใฎๅๅใ
ไพ1 ๆฐใใ DOMEntityReference ใไฝๆใใ
<?php
$dom = new DOMDocument('1.0', 'iso-8859-1');
$element = $dom->appendChild(new DOMElement('root'));
$entity = $element->appendChild(new DOMEntityReference('nbsp'));
echo $dom->saveXML(); /* <?xml version="1.0" encoding="iso-8859-1"?><root> </root> */
?>