<?phpnamespace GuzzleHttp;/** * This class contains a list of built-in Guzzle request options. * * More documentation for each option can be found at http://guzzlephp.org/. * * @link http://docs.guzzlephp.org/en/v6/request-options.html */final class RequestOptions{    /**     * allow_redirects: (bool|array) Controls redirect behavior. Pass false     * to disable redirects, pass true to enable redirects, pass an     * associative to provide custom redirect settings. Defaults to "false".     * This option only works if your handler has the RedirectMiddleware. When     * passing an associative array, you can provide the following key value     * pairs:     *     * - max: (int, default=5) maximum number of allowed redirects.     * - strict: (bool, default=false) Set to true to use strict redirects     *   meaning redirect POST requests with POST requests vs. doing what most     *   browsers do which is redirect POST requests with GET requests     * - referer: (bool, default=false) Set to true to enable the Referer     *   header.     * - protocols: (array, default=['http', 'https']) Allowed redirect     *   protocols.     * - on_redirect: (callable) PHP callable that is invoked when a redirect     *   is encountered. The callable is invoked with the request, the redirect     *   response that was received, and the effective URI. Any return value     *   from the on_redirect function is ignored.     */    public const ALLOW_REDIRECTS = 'allow_redirects';    /**     * auth: (array) Pass an array of HTTP authentication parameters to use     * with the request. The array must contain the username in index [0],     * the password in index [1], and you can optionally provide a built-in     * authentication type in index [2]. Pass null to disable authentication     * for a request.     */    public const AUTH = 'auth';    /**     * body: (resource|string|null|int|float|StreamInterface|callable|\Iterator)     * Body to send in the request.     */    public const BODY = 'body';    /**     * cert: (string|array) Set to a string to specify the path to a file     * containing a PEM formatted SSL client side certificate. If a password     * is required, then set cert to an array containing the path to the PEM     * file in the first array element followed by the certificate password     * in the second array element.     */    public const CERT = 'cert';    /**     * cookies: (bool|GuzzleHttp\Cookie\CookieJarInterface, default=false)     * Specifies whether or not cookies are used in a request or what cookie     * jar to use or what cookies to send. This option only works if your     * handler has the `cookie` middleware. Valid values are `false` and     * an instance of {@see \GuzzleHttp\Cookie\CookieJarInterface}.     */    public const COOKIES = 'cookies';    /**     * connect_timeout: (float, default=0) Float describing the number of     * seconds to wait while trying to connect to a server. Use 0 to wait     * indefinitely (the default behavior).     */    public const CONNECT_TIMEOUT = 'connect_timeout';    /**     * debug: (bool|resource) Set to true or set to a PHP stream returned by     * fopen()  enable debug output with the HTTP handler used to send a     * request.     */    public const DEBUG = 'debug';    /**     * decode_content: (bool, default=true) Specify whether or not     * Content-Encoding responses (gzip, deflate, etc.) are automatically     * decoded.     */    public const DECODE_CONTENT = 'decode_content';    /**     * delay: (int) The amount of time to delay before sending in milliseconds.     */    public const DELAY = 'delay';    /**     * expect: (bool|integer) Controls the behavior of the     * "Expect: 100-Continue" header.     *     * Set to `true` to enable the "Expect: 100-Continue" header for all     * requests that sends a body. Set to `false` to disable the     * "Expect: 100-Continue" header for all requests. Set to a number so that     * the size of the payload must be greater than the number in order to send     * the Expect header. Setting to a number will send the Expect header for     * all requests in which the size of the payload cannot be determined or     * where the body is not rewindable.     *     * By default, Guzzle will add the "Expect: 100-Continue" header when the     * size of the body of a request is greater than 1 MB and a request is     * using HTTP/1.1.     */    public const EXPECT = 'expect';    /**     * form_params: (array) Associative array of form field names to values     * where each value is a string or array of strings. Sets the Content-Type     * header to application/x-www-form-urlencoded when no Content-Type header     * is already present.     */    public const FORM_PARAMS = 'form_params';    /**     * headers: (array) Associative array of HTTP headers. Each value MUST be     * a string or array of strings.     */    public const HEADERS = 'headers';    /**     * http_errors: (bool, default=true) Set to false to disable exceptions     * when a non- successful HTTP response is received. By default,     * exceptions will be thrown for 4xx and 5xx responses. This option only     * works if your handler has the `httpErrors` middleware.     */    public const HTTP_ERRORS = 'http_errors';    /**     * idn: (bool|int, default=true) A combination of IDNA_* constants for     * idn_to_ascii() PHP's function (see "options" parameter). Set to false to     * disable IDN support completely, or to true to use the default     * configuration (IDNA_DEFAULT constant).     */    public const IDN_CONVERSION = 'idn_conversion';    /**     * json: (mixed) Adds JSON data to a request. The provided value is JSON     * encoded and a Content-Type header of application/json will be added to     * the request if no Content-Type header is already present.     */    public const JSON = 'json';    /**     * multipart: (array) Array of associative arrays, each containing a     * required "name" key mapping to the form field, name, a required     * "contents" key mapping to a StreamInterface|resource|string, an     * optional "headers" associative array of custom headers, and an     * optional "filename" key mapping to a string to send as the filename in     * the part. If no "filename" key is present, then no "filename" attribute     * will be added to the part.     */    public const MULTIPART = 'multipart';    /**     * on_headers: (callable) A callable that is invoked when the HTTP headers     * of the response have been received but the body has not yet begun to     * download.     */    public const ON_HEADERS = 'on_headers';    /**     * on_stats: (callable) allows you to get access to transfer statistics of     * a request and access the lower level transfer details of the handler     * associated with your client. ``on_stats`` is a callable that is invoked     * when a handler has finished sending a request. The callback is invoked     * with transfer statistics about the request, the response received, or     * the error encountered. Included in the data is the total amount of time     * taken to send the request.     */    public const ON_STATS = 'on_stats';    /**     * progress: (callable) Defines a function to invoke when transfer     * progress is made. The function accepts the following positional     * arguments: the total number of bytes expected to be downloaded, the     * number of bytes downloaded so far, the number of bytes expected to be     * uploaded, the number of bytes uploaded so far.     */    public const PROGRESS = 'progress';    /**     * proxy: (string|array) Pass a string to specify an HTTP proxy, or an     * array to specify different proxies for different protocols (where the     * key is the protocol and the value is a proxy string).     */    public const PROXY = 'proxy';    /**     * query: (array|string) Associative array of query string values to add     * to the request. This option uses PHP's http_build_query() to create     * the string representation. Pass a string value if you need more     * control than what this method provides     */    public const QUERY = 'query';    /**     * sink: (resource|string|StreamInterface) Where the data of the     * response is written to. Defaults to a PHP temp stream. Providing a     * string will write data to a file by the given name.     */    public const SINK = 'sink';    /**     * synchronous: (bool) Set to true to inform HTTP handlers that you intend     * on waiting on the response. This can be useful for optimizations. Note     * that a promise is still returned if you are using one of the async     * client methods.     */    public const SYNCHRONOUS = 'synchronous';    /**     * ssl_key: (array|string) Specify the path to a file containing a private     * SSL key in PEM format. If a password is required, then set to an array     * containing the path to the SSL key in the first array element followed     * by the password required for the certificate in the second element.     */    public const SSL_KEY = 'ssl_key';    /**     * stream: Set to true to attempt to stream a response rather than     * download it all up-front.     */    public const STREAM = 'stream';    /**     * verify: (bool|string, default=true) Describes the SSL certificate     * verification behavior of a request. Set to true to enable SSL     * certificate verification using the system CA bundle when available     * (the default). Set to false to disable certificate verification (this     * is insecure!). Set to a string to provide the path to a CA bundle on     * disk to enable verification using a custom certificate.     */    public const VERIFY = 'verify';    /**     * timeout: (float, default=0) Float describing the timeout of the     * request in seconds. Use 0 to wait indefinitely (the default behavior).     */    public const TIMEOUT = 'timeout';    /**     * read_timeout: (float, default=default_socket_timeout ini setting) Float describing     * the body read timeout, for stream requests.     */    public const READ_TIMEOUT = 'read_timeout';    /**     * version: (float) Specifies the HTTP protocol version to attempt to use.     */    public const VERSION = 'version';    /**     * force_ip_resolve: (bool) Force client to use only ipv4 or ipv6 protocol     */    public const FORCE_IP_RESOLVE = 'force_ip_resolve';}