DOMElement::hasAttribute
(PHP 5, PHP 7, PHP 8)
DOMElement::hasAttribute — Checks to see if attribute exists
说明
public DOMElement::hasAttribute
( string
$qualifiedName
) : bool
Indicates whether attribute named qualifiedName
exists as a member of the element.
参数
-
qualifiedName
-
The attribute name.
返回值
成功时返回 true
, 或者在失败时返回 false
。
参见
- DOMElement::hasAttributeNS() - Checks to see if attribute exists
- DOMElement::getAttribute() - Returns value of attribute
- DOMElement::setAttribute() - Adds new attribute
- DOMElement::removeAttribute() - Removes attribute