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