DOMElement::hasAttribute()
(PHP 5, PHP 7)
Checks to see if attribute exists
说明
public DOMElement::hasAttribute(string $name): bool
Indicates whether attribute named$nameexists as a member of the element.
参数
- $name
 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
 
