DOMElement::hasAttribute
(PHP 5, PHP 7, PHP 8)
DOMElement::hasAttribute — Checks to see if attribute exists
說明
public DOMElement::hasAttribute(string
$qualifiedName): bool
Indicates whether attribute named qualifiedName
exists as a member of the element.
參數
-
qualifiedName -
The attribute name.
返回值
成功時返回 true， 或者在失敗時返回 false。
參見
- DOMElement::hasAttributeNS() - Checks to see if attribute exists
- DOMElement::getAttribute() - Returns value of attribute
- DOMElement::setAttribute() - Adds new or modifies existing attribute
- DOMElement::removeAttribute() - Removes attribute