DOMNode::isSupported
(PHP 5, PHP 7, PHP 8)
DOMNode::isSupported — Checks if feature is supported for specified version
說明
public DOMNode::isSupported(string
$feature, string $version): bool
Checks if the asked feature is supported for the
specified version.
參數
-
feature -
The feature to test. See the example of DOMImplementation::hasFeature() for a list of features.
-
version -
The version number of the
featureto test.
返回值
成功時返回 true， 或者在失敗時返回 false。