DOMNode::isSupported()
(PHP 5, PHP 7)
Checks if feature is supported for specified version
说明
public DOMNode::isSupported(string $feature,string $version): bool
Checks if the asked$featureis supported for the specified$version.
参数
- $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
成功时返回TRUE，或者在失败时返回FALSE。
参见
- DOMImplementation::hasFeature() Test if the DOM implementation implements a specific feature