protected function onRequest(RequestInterface $request)
    {
        $result = $request;

        //Adding headers.
        foreach ($this->headers as $key => $value) {
            $headers = $result->getHeaders();
            if (!array_key_exists($key, $headers)) {
                $result = $result->withHeader($key, $value);
            }
        }

        //rewriting version and user-agent.
        $result = $result->withHeader(
            Resources::X_MS_VERSION,
            $this->msVersion
        );
        $result = $result->withHeader(
            Resources::USER_AGENT,
            $this->userAgent
        );

        //Adding date.
        $date = gmdate(Resources::AZURE_DATE_FORMAT, time());
        $result = $result->withHeader(Resources::DATE, $date);

        //Adding request-ID if not specified by the user.
        if (!$result->hasHeader(Resources::X_MS_REQUEST_ID)) {
            $result = $result->withHeader(Resources::X_MS_REQUEST_ID, \uniqid());
        }
        //Sign the request if authentication scheme is not null.
        $request = $this->authenticationScheme == null ?
            $request : $this->authenticationScheme->signRequest($result);
        return $request;
    }
protected function onRequest(RequestInterface $request)
    {
        $result = $request;

        //Adding headers.
        foreach ($this->headers as $key => $value) {
            $headers = $result->getHeaders();
            if (!array_key_exists($key, $headers)) {
                $result = $result->withHeader($key, $value);
            }
        }

        //rewriting version and user-agent.
        $result = $result->withHeader(
            Resources::X_MS_VERSION,
            $this->msVersion
        );
        $result = $result->withHeader(
            Resources::USER_AGENT,
            $this->userAgent
        );

        //Adding date.
        $date = gmdate(Resources::AZURE_DATE_FORMAT, time());
        $result = $result->withHeader(Resources::DATE, $date);

        //Adding request-ID if not specified by the user.
        if (!$result->hasHeader(Resources::X_MS_REQUEST_ID)) {
            $result = $result->withHeader(Resources::X_MS_REQUEST_ID, \uniqid());
        }
        //Sign the request if authentication scheme is not null.
        $request = $this->authenticationScheme == null ?
            $request : $this->authenticationScheme->signRequest($result);
        return $request;
    }
protected function onRequest ( RequestInterface $ request ) { $ result = $ request ; //Adding headers. foreach ( $ this -> headers as $ key => $ value ) { $ headers = $ result -> getHeaders ( ) ; if ( ! array_key_exists ( $ key , $ headers ) ) { $ result = $ result -> withHeader ( $ key , $ value ) ; } } //rewriting version and user-agent. $ result = $ result -> withHeader ( Resources :: X_MS_VERSION , $ this -> msVersion ) ; $ result = $ result -> withHeader ( Resources :: USER_AGENT , $ this -> userAgent ) ; //Adding date. $ date = gmdate ( Resources :: AZURE_DATE_FORMAT , time ( ) ) ; $ result = $ result -> withHeader ( Resources :: DATE , $ date ) ; //Adding request-ID if not specified by the user. if ( ! $ result -> hasHeader ( Resources :: X_MS_REQUEST_ID ) ) { $ result = $ result -> withHeader ( Resources :: X_MS_REQUEST_ID , \ uniqid ( ) ) ; } //Sign the request if authentication scheme is not null. $ request = $ this -> authenticationScheme == null ? $ request : $ this -> authenticationScheme -> signRequest ( $ result ) ; return $ request ; }
Add the provided headers, the date, then sign the request using the
authentication scheme, and return it.

@param  RequestInterface $request un-signed request.

@return RequestInterface
Add the provided headers the date then sign the request using the authentication scheme and return it .