Source

File: wp-includes/Requests/Exception/HTTP/400.php

class Requests_Exception_HTTP_400 extends Requests_Exception_HTTP {
	/**
	 * HTTP status code
	 *
	 * @var integer
	 */
	protected $code = 400;

	/**
	 * Reason phrase
	 *
	 * @var string
	 */
	protected $reason = 'Bad Request';
}