&& ! empty( $data['LNAME'] ) ) {
		$data['NAME'] = sprintf( '%s %s', $data['FNAME'], $data['LNAME'] );
	}

	return $data;
}

/**
 * Gets the "email type" for new subscribers.
 *
 * Possible return values are either "html" or "text"
 *
 * @access public
 * @since 3.0
 *
 * @return string
 */
function mc4wp_get_email_type() {
	$email_type = 'html';

	/**
	 * Filters the email type preference for this new subscriber.
	 *
	 * @param string $email_type
	 */
	$email_type = (string) apply_filters( 'mc4wp_email_type', $email_type );

	return $email_type;
}

/**
 *
 * @ignore
 * @return bool
 */
function _mc4wp_use_sslverify() {

	// Disable for all transports other than CURL
	if ( ! function_exists( 'curl_version' ) ) {
		return false;
	}

	$curl = curl_version();

	// Disable if OpenSSL is not installed
	if ( empty( $curl['ssl_version'] ) ) {
		return false;
	}

	// Disable if on WP 4.4, see https://core.trac.wordpress.org/ticket/34935
	if ( $GLOBALS['wp_version'] === '4.4' ) {
		return false;
	}

	return true;
}

/**
 * This will replace the first half of a string with "*" characters.
 *
 * @param string $string
 * @return string
 */
function mc4wp_obfuscate_string( $string ) {
	$length            = strlen( $string );
	$obfuscated_length = ceil( $length / 2 );
	$string            = str_repeat( '*', $obfuscated_length ) . substr( $string, $obfuscated_length );
	return $string;
}

/**
 * @internal
 * @ignore
 */
function _mc4wp_obfuscate_email_addresses_callback( $m ) {
	$one   = $m[1] . str_repeat( '*', strlen( $m[2] ) );
	$two   = $m[3] . str_repeat( '*', strlen( $m[4] ) );
	$three = $m[5];
	return sprintf( '%s@%s.%s', $one, $two, $three );
}

/**
 * Obfuscates email addresses in a string.
 *
 * @param $string String possibly containing email address
 * @return string
 */
function mc4wp_obfuscate_email_addresses( $string ) {
	return preg_replace_callback( '/([\w\.]{1,4})([\w\.]*)\@(\w{1,2})(\w*)\.(\w+)/', '_mc4wp_obfuscate_email_addresses_callback', $string );
}

/**
 * Refreshes Mailchimp lists. This can take a while if the connected Mailchimp account has many lists.
 *
 * @return void
 */
function mc4wp_refresh_mailchimp_lists() {
	$mailchimp = new MC4WP_MailChimp();
	$mailchimp->refresh_lists();
}

/**
* Get element from array, allows for dot notation eg: "foo.bar"
*
* @param array $array
* @param string $key
* @param mixed $default
* @return mixed
*/
function mc4wp_array_get( $array, $key, $default = null ) {
	if ( is_null( $key ) ) {
		return $array;
	}

	if ( isset( $array[ $key ] ) ) {
		return $array[ $key ];
	}

	foreach ( explode( '.', $key ) as $segment ) {
		if ( ! is_array( $array ) || ! array_key_exists( $segment, $array ) ) {
			return $default;
		}

		$array = $array[ $segment ];
	}

	return $array;
}