DOMNode::isSupported
(PHP 5, PHP 7, PHP 8)
DOMNode::isSupported — Checks if feature is supported for specified version
说明
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
feature
to test.
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