(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.
Example #1 Setting an attribute
<?php
$doc = new DOMDocument("1.0");
$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);
$newnode->setAttribute("align", "left");
?>