Neomerx\JsonApi\Codec\CodecMatcher::matchDecoder PHP Method

    public function matchDecoder(HeaderInterface $contentTypeHeader)
    {
        foreach ($contentTypeHeader->getMediaTypes() as $headerMediaType) {
            /** @var MediaTypeInterface $registeredType */
            foreach ($this->inputMediaTypes as list($registeredType, $closure)) {
                if ($registeredType->equalsTo($headerMediaType) === true) {
                    $this->decoderHeaderMatchedType = $headerMediaType;
                    $this->decoderRegisteredMatchedType = $registeredType;
                    $this->foundDecoder = $closure;
                    return;
                }
            }
        }
        $this->decoderHeaderMatchedType = null;
        $this->decoderRegisteredMatchedType = null;
        $this->foundDecoder = null;
    }