DOMElement::hasAttribute
(PHP 5, PHP 7, PHP 8)
DOMElement::hasAttribute — Checks to see if attribute exists
说明
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 or modifies existing attribute
- DOMElement::removeAttribute() - Removes attribute
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