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libraries/filemanager-9.14.0/include/Response.php
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365
libraries/filemanager-9.14.0/include/Response.php
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<?php
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/**
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* Class Response
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* Simplified copy of Symfony/Http-Foundation Response
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* to allow compatibility with frameworks
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*
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* @package Filemanager
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*/
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class Response {
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const HTTP_CONTINUE = 100;
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const HTTP_SWITCHING_PROTOCOLS = 101;
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const HTTP_PROCESSING = 102; // RFC2518
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const HTTP_OK = 200;
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const HTTP_CREATED = 201;
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const HTTP_ACCEPTED = 202;
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const HTTP_NON_AUTHORITATIVE_INFORMATION = 203;
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const HTTP_NO_CONTENT = 204;
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const HTTP_RESET_CONTENT = 205;
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const HTTP_PARTIAL_CONTENT = 206;
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const HTTP_MULTI_STATUS = 207; // RFC4918
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const HTTP_ALREADY_REPORTED = 208; // RFC5842
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const HTTP_IM_USED = 226; // RFC3229
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const HTTP_MULTIPLE_CHOICES = 300;
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const HTTP_MOVED_PERMANENTLY = 301;
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const HTTP_FOUND = 302;
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const HTTP_SEE_OTHER = 303;
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const HTTP_NOT_MODIFIED = 304;
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const HTTP_USE_PROXY = 305;
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const HTTP_RESERVED = 306;
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const HTTP_TEMPORARY_REDIRECT = 307;
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const HTTP_PERMANENTLY_REDIRECT = 308; // RFC7238
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const HTTP_BAD_REQUEST = 400;
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const HTTP_UNAUTHORIZED = 401;
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const HTTP_PAYMENT_REQUIRED = 402;
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const HTTP_FORBIDDEN = 403;
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const HTTP_NOT_FOUND = 404;
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const HTTP_METHOD_NOT_ALLOWED = 405;
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const HTTP_NOT_ACCEPTABLE = 406;
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const HTTP_PROXY_AUTHENTICATION_REQUIRED = 407;
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const HTTP_REQUEST_TIMEOUT = 408;
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const HTTP_CONFLICT = 409;
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const HTTP_GONE = 410;
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const HTTP_LENGTH_REQUIRED = 411;
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const HTTP_PRECONDITION_FAILED = 412;
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const HTTP_REQUEST_ENTITY_TOO_LARGE = 413;
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const HTTP_REQUEST_URI_TOO_LONG = 414;
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const HTTP_UNSUPPORTED_MEDIA_TYPE = 415;
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const HTTP_REQUESTED_RANGE_NOT_SATISFIABLE = 416;
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const HTTP_EXPECTATION_FAILED = 417;
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const HTTP_I_AM_A_TEAPOT = 418; // RFC2324
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const HTTP_UNPROCESSABLE_ENTITY = 422; // RFC4918
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const HTTP_LOCKED = 423; // RFC4918
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const HTTP_FAILED_DEPENDENCY = 424; // RFC4918
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const HTTP_RESERVED_FOR_WEBDAV_ADVANCED_COLLECTIONS_EXPIRED_PROPOSAL = 425; // RFC2817
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const HTTP_UPGRADE_REQUIRED = 426; // RFC2817
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const HTTP_PRECONDITION_REQUIRED = 428; // RFC6585
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const HTTP_TOO_MANY_REQUESTS = 429; // RFC6585
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const HTTP_REQUEST_HEADER_FIELDS_TOO_LARGE = 431; // RFC6585
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const HTTP_INTERNAL_SERVER_ERROR = 500;
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const HTTP_NOT_IMPLEMENTED = 501;
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const HTTP_BAD_GATEWAY = 502;
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const HTTP_SERVICE_UNAVAILABLE = 503;
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const HTTP_GATEWAY_TIMEOUT = 504;
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const HTTP_VERSION_NOT_SUPPORTED = 505;
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const HTTP_VARIANT_ALSO_NEGOTIATES_EXPERIMENTAL = 506; // RFC2295
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const HTTP_INSUFFICIENT_STORAGE = 507; // RFC4918
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const HTTP_LOOP_DETECTED = 508; // RFC5842
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const HTTP_NOT_EXTENDED = 510; // RFC2774
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const HTTP_NETWORK_AUTHENTICATION_REQUIRED = 511; // RFC6585
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/**
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* Status codes translation table.
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*
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* The list of codes is complete according to the
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* {@link http://www.iana.org/assignments/http-status-codes/ Hypertext Transfer Protocol (HTTP) Status Code Registry}
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* (last updated 2012-02-13).
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*
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* Unless otherwise noted, the status code is defined in RFC2616.
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*
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* @var array
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*/
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public static $statusTexts = array(
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100 => 'Continue',
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101 => 'Switching Protocols',
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102 => 'Processing', // RFC2518
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200 => 'OK',
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201 => 'Created',
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202 => 'Accepted',
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203 => 'Non-Authoritative Information',
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204 => 'No Content',
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205 => 'Reset Content',
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206 => 'Partial Content',
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207 => 'Multi-Status', // RFC4918
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208 => 'Already Reported', // RFC5842
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226 => 'IM Used', // RFC3229
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300 => 'Multiple Choices',
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301 => 'Moved Permanently',
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302 => 'Found',
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303 => 'See Other',
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304 => 'Not Modified',
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305 => 'Use Proxy',
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306 => 'Reserved',
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307 => 'Temporary Redirect',
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308 => 'Permanent Redirect', // RFC7238
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400 => 'Bad Request',
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401 => 'Unauthorized',
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402 => 'Payment Required',
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403 => 'Forbidden',
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404 => 'Not Found',
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405 => 'Method Not Allowed',
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406 => 'Not Acceptable',
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407 => 'Proxy Authentication Required',
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408 => 'Request Timeout',
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409 => 'Conflict',
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410 => 'Gone',
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411 => 'Length Required',
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412 => 'Precondition Failed',
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413 => 'Request Entity Too Large',
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414 => 'Request-URI Too Long',
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415 => 'Unsupported Media Type',
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416 => 'Requested Range Not Satisfiable',
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417 => 'Expectation Failed',
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418 => 'I\'m a teapot', // RFC2324
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422 => 'Unprocessable Entity', // RFC4918
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423 => 'Locked', // RFC4918
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424 => 'Failed Dependency', // RFC4918
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425 => 'Reserved for WebDAV advanced collections expired proposal', // RFC2817
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426 => 'Upgrade Required', // RFC2817
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428 => 'Precondition Required', // RFC6585
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429 => 'Too Many Requests', // RFC6585
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431 => 'Request Header Fields Too Large', // RFC6585
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500 => 'Internal Server Error',
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501 => 'Not Implemented',
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502 => 'Bad Gateway',
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503 => 'Service Unavailable',
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504 => 'Gateway Timeout',
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505 => 'HTTP Version Not Supported',
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506 => 'Variant Also Negotiates (Experimental)', // RFC2295
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507 => 'Insufficient Storage', // RFC4918
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508 => 'Loop Detected', // RFC5842
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510 => 'Not Extended', // RFC2774
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511 => 'Network Authentication Required', // RFC6585
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);
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/**
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* @var string
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*/
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protected $content;
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/**
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* @var int
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*/
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protected $statusCode;
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/**
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* @var string
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*/
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protected $statusText;
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/**
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* @var array
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*/
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public $headers;
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/**
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* @var string
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*/
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protected $version;
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/**
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* Construct the response
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*
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* @param mixed $content
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* @param int $statusCode
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* @param array $headers
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*/
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public function __construct($content = '', $statusCode = 200, $headers = array())
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{
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$this->setContent($content);
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$this->setStatusCode($statusCode);
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$this->headers = $headers;
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$this->version = '1.1';
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}
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/**
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* Set the content on the response.
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*
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* @param mixed $content
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* @return $this
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*/
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public function setContent($content)
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{
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if ($content instanceof ArrayObject || is_array($content))
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{
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$this->headers['Content-Type'] = array('application/json');
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$content = json_encode($content);
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}
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$this->content = $content;
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}
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/**
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* Returns the Response as an HTTP string.
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*
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* The string representation of the Response is the same as the
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* one that will be sent to the client only if the prepare() method
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* has been called before.
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*
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* @return string The Response as an HTTP string
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*
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* @see prepare()
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*/
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public function __toString()
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{
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return
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sprintf('HTTP/%s %s %s', $this->version, $this->statusCode, $this->statusText)."\r\n".
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$this->headers."\r\n".
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$this->getContent();
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}
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/**
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* Sets the response status code.
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*
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* @param int $code HTTP status code
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* @param mixed $text HTTP status text
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*
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* If the status text is null it will be automatically populated for the known
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* status codes and left empty otherwise.
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*
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* @return Response
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*
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* @throws \InvalidArgumentException When the HTTP status code is not valid
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*
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* @api
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*/
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public function setStatusCode($code, $text = null)
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{
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$this->statusCode = $code = (int) $code;
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if ($this->isInvalid()) {
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throw new InvalidArgumentException(sprintf('The HTTP status code "%s" is not valid.', $code));
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}
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if (null === $text) {
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$this->statusText = isset(self::$statusTexts[$code]) ? self::$statusTexts[$code] : '';
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return $this;
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}
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if (false === $text) {
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$this->statusText = '';
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return $this;
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}
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$this->statusText = $text;
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return $this;
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}
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// http://www.w3.org/Protocols/rfc2616/rfc2616-sec10.html
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/**
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* Is response invalid?
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*
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* @return bool
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*
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* @api
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*/
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public function isInvalid()
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{
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return $this->statusCode < 100 || $this->statusCode >= 600;
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}
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/**
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* Set a header on the Response.
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*
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* @param string $key
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* @param string $value
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* @param bool $replace
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* @return $this
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*/
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public function header($key, $value, $replace = true)
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{
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if (empty($this->headers[$key]))
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{
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$this->headers[$key] = array();
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}
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if ($replace)
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{
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$this->headers[$key] = array($value);
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}
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else
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{
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$this->headers[$key][] = $value;
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}
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return $this;
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}
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/**
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* Sends HTTP headers and content.
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*
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* @return Response
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*
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* @api
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*/
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public function send()
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{
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$this->sendHeaders();
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$this->sendContent();
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if (function_exists('fastcgi_finish_request')) {
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fastcgi_finish_request();
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}
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return $this;
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}
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/**
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* Sends content for the current web response.
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*
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* @return Response
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*/
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public function sendContent()
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{
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echo $this->content;
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return $this;
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}
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/**
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* Sends HTTP headers.
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*
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* @return Response
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*/
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public function sendHeaders()
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{
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// headers have already been sent by the developer
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if (headers_sent()) {
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return $this;
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}
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// status
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header(sprintf('HTTP/%s %s %s', $this->version, $this->statusCode, $this->statusText), true, $this->statusCode);
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// headers
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foreach ($this->headers as $name => $values) {
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if (is_array($values))
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{
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foreach ($values as $value)
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{
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header($name . ': ' . $value, false, $this->statusCode);
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}
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}
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else
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{
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header($name . ': ' . $values, false, $this->statusCode);
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}
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}
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return $this;
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}
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}
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