DOM
PHP Manual

DOMNode->isSupported()

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DOMNode->isSupported() — Checks if feature is supported for specified version

说明

DOMNode
bool 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 feature to test.

返回值

如果成功则返回 TRUE,失败则返回 FALSE

参见


DOM
PHP Manual