DOMNode::isSupported

(PHP 5)

DOMNode::isSupported — Checks if feature is supported for specified version

bool DOMNode::isSupported ( string $feature , string $version )

Checks if the asked feature is supported for the specified version .

feature: The feature to test. See the example of DOMImplementation::hasFeature for a list of features.
version: The version number of the feature to test.

如果成功则返回 TRUE，失败则返回 FALSE。