(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.
qualifiedNameThe name of the attribute.
valueThe value of the attribute.
The created or modified DOMAttr or false if an error occurred.
DOM_NO_MODIFICATION_ALLOWED_ERRRaised if the node is readonly.
示例 #1 Setting an attribute
<?php
$doc = new DOMDocument("1.0");
$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);
$newnode->setAttribute("align", "left");
?>