Php/docs/domelement.hasattribute

• PHP Manual
• DOMElement
• Checks to see if attribute exists

DOMElement::hasAttribute

(PHP 5, PHP 7)

DOMElement::hasAttribute — Checks to see if attribute exists

说明

public DOMElement::hasAttribute ( string $name ) : bool

Indicates whether attribute named name exists 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