Php/docs/domnode.issupported

• PHP Manual
• DOMNode
• Checks if feature is supported for specified version

DOMNode::isSupported

(PHP 5, PHP 7)

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

• DOMImplementation::hasFeature() - Test if the DOM implementation implements a specific feature