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.

成功时返回 TRUE，或者在失败时返回 FALSE.

DOMImplementation::hasFeature() - Test if the DOM implementation implements a specific feature