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# XML_Unserializer::apiVersion()

XML_Unserializer::apiVersion() -- return API version

## Synopsis

    require_once 'Unserializer.php';

``string XML_Unserializer::apiVersion` ()`

## Description

Returns API version of XML_Unserializer. This may be useful to check if the needed functionality exists.

## Return value

string API version

## Note

This function can be called statically.

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XML_Unserializer::XML_Unserializer() | Up | XML_Unserializer::unserialize()