*`AbstractNormalizer::handleCircularReference` is now final, and receives two optional extra arguments: the format and the context

*`YamlEncoder` now handle the`yml` format too

4.1.0

class YamlEncoderimplements EncoderInterface, DecoderInterface

{

constFORMAT ='yaml';

constALTERNATIVE_FORMAT ='yml';

private$dumper;

private$parser;

publicfunctionsupportsEncoding($format)

{

returnself::FORMAT ===$format;

returnself::FORMAT ===$format ||self::ALTERNATIVE_FORMAT ===$format;

}

publicfunctionsupportsDecoding($format)

{

returnself::FORMAT ===$format;

returnself::FORMAT ===$format ||self::ALTERNATIVE_FORMAT ===$format;

}

}

$encoder =newYamlEncoder();

$this->assertTrue($encoder->supportsEncoding('yaml'));

$this->assertTrue($encoder->supportsEncoding('yml'));

$this->assertFalse($encoder->supportsEncoding('json'));

}

$encoder =newYamlEncoder();

$this->assertTrue($encoder->supportsDecoding('yaml'));

$this->assertTrue($encoder->supportsDecoding('yml'));

$this->assertFalse($encoder->supportsDecoding('json'));

}