Autoload

33	final class Autoload {34 35		/**36		 * List of the old PSR-0 class names in lowercase as keys with their PSR-4 case-sensitive name as a value.37		 *38		 * @var array39		 */40		private static $deprecated_classes = [41			// Interfaces.42			'requests_auth'                              => '\WpOrg\Requests\Auth',43			'requests_hooker'                            => '\WpOrg\Requests\HookManager',44			'requests_proxy'                             => '\WpOrg\Requests\Proxy',45			'requests_transport'                         => '\WpOrg\Requests\Transport',46 47			// Classes.48			'requests_cookie'                            => '\WpOrg\Requests\Cookie',49			'requests_exception'                         => '\WpOrg\Requests\Exception',50			'requests_hooks'                             => '\WpOrg\Requests\Hooks',51			'requests_idnaencoder'                       => '\WpOrg\Requests\IdnaEncoder',52			'requests_ipv6'                              => '\WpOrg\Requests\Ipv6',53			'requests_iri'                               => '\WpOrg\Requests\Iri',54			'requests_response'                          => '\WpOrg\Requests\Response',55			'requests_session'                           => '\WpOrg\Requests\Session',56			'requests_ssl'                               => '\WpOrg\Requests\Ssl',57			'requests_auth_basic'                        => '\WpOrg\Requests\Auth\Basic',58			'requests_cookie_jar'                        => '\WpOrg\Requests\Cookie\Jar',59			'requests_proxy_http'                        => '\WpOrg\Requests\Proxy\Http',60			'requests_response_headers'                  => '\WpOrg\Requests\Response\Headers',61			'requests_transport_curl'                    => '\WpOrg\Requests\Transport\Curl',62			'requests_transport_fsockopen'               => '\WpOrg\Requests\Transport\Fsockopen',63			'requests_utility_caseinsensitivedictionary' => '\WpOrg\Requests\Utility\CaseInsensitiveDictionary',64			'requests_utility_filterediterator'          => '\WpOrg\Requests\Utility\FilteredIterator',65			'requests_exception_http'                    => '\WpOrg\Requests\Exception\Http',66			'requests_exception_transport'               => '\WpOrg\Requests\Exception\Transport',67			'requests_exception_transport_curl'          => '\WpOrg\Requests\Exception\Transport\Curl',68			'requests_exception_http_304'                => '\WpOrg\Requests\Exception\Http\Status304',69			'requests_exception_http_305'                => '\WpOrg\Requests\Exception\Http\Status305',70			'requests_exception_http_306'                => '\WpOrg\Requests\Exception\Http\Status306',71			'requests_exception_http_400'                => '\WpOrg\Requests\Exception\Http\Status400',72			'requests_exception_http_401'                => '\WpOrg\Requests\Exception\Http\Status401',73			'requests_exception_http_402'                => '\WpOrg\Requests\Exception\Http\Status402',74			'requests_exception_http_403'                => '\WpOrg\Requests\Exception\Http\Status403',75			'requests_exception_http_404'                => '\WpOrg\Requests\Exception\Http\Status404',76			'requests_exception_http_405'                => '\WpOrg\Requests\Exception\Http\Status405',77			'requests_exception_http_406'                => '\WpOrg\Requests\Exception\Http\Status406',78			'requests_exception_http_407'                => '\WpOrg\Requests\Exception\Http\Status407',79			'requests_exception_http_408'                => '\WpOrg\Requests\Exception\Http\Status408',80			'requests_exception_http_409'                => '\WpOrg\Requests\Exception\Http\Status409',81			'requests_exception_http_410'                => '\WpOrg\Requests\Exception\Http\Status410',82			'requests_exception_http_411'                => '\WpOrg\Requests\Exception\Http\Status411',83			'requests_exception_http_412'                => '\WpOrg\Requests\Exception\Http\Status412',84			'requests_exception_http_413'                => '\WpOrg\Requests\Exception\Http\Status413',85			'requests_exception_http_414'                => '\WpOrg\Requests\Exception\Http\Status414',86			'requests_exception_http_415'                => '\WpOrg\Requests\Exception\Http\Status415',87			'requests_exception_http_416'                => '\WpOrg\Requests\Exception\Http\Status416',88			'requests_exception_http_417'                => '\WpOrg\Requests\Exception\Http\Status417',89			'requests_exception_http_418'                => '\WpOrg\Requests\Exception\Http\Status418',90			'requests_exception_http_428'                => '\WpOrg\Requests\Exception\Http\Status428',91			'requests_exception_http_429'                => '\WpOrg\Requests\Exception\Http\Status429',92			'requests_exception_http_431'                => '\WpOrg\Requests\Exception\Http\Status431',93			'requests_exception_http_500'                => '\WpOrg\Requests\Exception\Http\Status500',94			'requests_exception_http_501'                => '\WpOrg\Requests\Exception\Http\Status501',95			'requests_exception_http_502'                => '\WpOrg\Requests\Exception\Http\Status502',96			'requests_exception_http_503'                => '\WpOrg\Requests\Exception\Http\Status503',97			'requests_exception_http_504'                => '\WpOrg\Requests\Exception\Http\Status504',98			'requests_exception_http_505'                => '\WpOrg\Requests\Exception\Http\Status505',99			'requests_exception_http_511'                => '\WpOrg\Requests\Exception\Http\Status511',100			'requests_exception_http_unknown'            => '\WpOrg\Requests\Exception\Http\StatusUnknown',101		];102 103		/**104		 * Register the autoloader.105		 *106		 * Note: the autoloader is *prepended* in the autoload queue.107		 * This is done to ensure that the Requests 2.0 autoloader takes precedence108		 * over a potentially (dependency-registered) Requests 1.x autoloader.109		 *110		 * @internal This method contains a safeguard against the autoloader being111		 * registered multiple times. This safeguard uses a global constant to112		 * (hopefully/in most cases) still function correctly, even if the