(PHP 5, PHP 7, PHP 8)
DOMElement::setAttribute — Adds new or modifies existing attribute
Sets an attribute with name qualifiedName
to the given value. If the attribute does not exist, it will be created.
qualifiedName
The name of the attribute.
value
The value of the attribute.
DOM_NO_MODIFICATION_ALLOWED_ERR
Raised if the node is readonly.
Example #1 Setting an attribute
<?php
$doc = new DOMDocument("1.0");
$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);
$newnode->setAttribute("align", "left");
?>