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DOMNode::isSupported

(PHP 5, PHP 7, PHP 8)

DOMNode::isSupported Checks if feature is supported for specified version

说明

public DOMNode::isSupported(string $feature, string $version): bool

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.

返回值

成功时返回 true, 或者在失败时返回 false

参见

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