(PHP 5, PHP 7, PHP 8)
DOMElement::removeAttributeNS — Removes attribute
public DOMElement::removeAttributeNS(?string $namespace, string $localName): void
Removes attribute localName in namespace namespace from the element.
namespaceThe namespace URI.
localNameThe local name.
No value is returned.
DOM_NO_MODIFICATION_ALLOWED_ERRRaised if the node is readonly.
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https://www.php.net/manual/en/domelement.removeattributens.php