文字
DOMNode::isSupported
(PHP 5, PHP 7)
DOMNode::isSupported — Checks if feature is supported for specified version
说明
public bool DOMNode::isSupported
( string
$feature
, string $version
)
Checks if the asked feature is 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