DOMElement::setAttribute

(PHP 5, PHP 7, PHP 8)

DOMElement::setAttribute — Adds new or modifies existing attribute

说明

public DOMElement::setAttribute(string $qualifiedName, string $value): DOMAttr|bool

Sets an attribute with name qualifiedName to the given value. If the attribute does not exist, it will be created.

参数

qualifiedName

The name of the attribute.

value

The value of the attribute.

返回值

The created or modified DOMAttr or false if an error occurred.

错误／异常

DOM_NO_MODIFICATION_ALLOWED_ERR

Raised if the node is readonly.

范例

示例 #1 Setting an attribute

<?php
$doc = new DOMDocument("1.0");
$node = $doc->createElement("para");
$newnode = $doc->appendChild($node);
$newnode->setAttribute("align", "left");
?>

参见