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This document uses PHP Chinese website manual Release
(PHP 5, PHP 7)
DOMNode::isSupported — Checks if feature is supported for specified version
$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
。