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## Request
in package
implements ServerRequestInterface

Request.php : 9

### Interfaces, Classes and Traits

ServerRequestInterface

### Table of Contents

getAttribute() : mixed
  Retrieve a single derived request attribute.
getAttributes() : array<string|int, mixed>
  Retrieve attributes derived from the request.
getBody() : StreamInterface
  Gets the body of the message.
getCookieParams() : array<string|int, mixed>
  Retrieve cookies.
getHeader() : array<string|int, string>
  Retrieves a message header value by the given case-insensitive name.
getHeaderLine() : string
  Retrieves a comma-separated string of the values for a single header.
getHeaders() : array<string|int, array<string|int, string>>
  Retrieves all message header values.
getMethod() : string
  Retrieves the HTTP method of the request.
getParsedBody() : null|array<string|int, mixed>|object
  Retrieve any parameters provided in the request body.
getProtocolVersion() : string
  Retrieves the HTTP protocol version as a string.
getQueryParams() : array<string|int, mixed>
  Retrieve query string arguments.
getRequestTarget() : string
  Retrieves the message's request target.
getServerParams() : array<string|int, mixed>
  Retrieve server parameters.
getUploadedFiles() : array<string|int, mixed>
  Retrieve normalized file upload data.
getUri() : UriInterface
  Retrieves the URI instance.
hasHeader() : bool
  Checks if a header exists by the given case-insensitive name.
withAddedHeader() : static
  Return an instance with the specified header appended with the given value.
withAttribute() : static
  Return an instance with the specified derived request attribute.
withBody() : static
  Return an instance with the specified message body.
withCookieParams() : static
  Return an instance with the specified cookies.
withHeader() : static
  Return an instance with the provided value replacing the specified header.
withMethod() : static
  Return an instance with the provided HTTP method.
withoutAttribute() : static
  Return an instance that removes the specified derived request attribute.
withoutHeader() : static
  Return an instance without the specified header.
withParsedBody() : static
  Return an instance with the specified body parameters.
withProtocolVersion() : static
  Return an instance with the specified HTTP protocol version.
withQueryParams() : static
  Return an instance with the specified query string arguments.
withRequestTarget() : static
  Return an instance with the specific request-target.
withUploadedFiles() : static
  Create a new instance with the specified uploaded files.
withUri() : static
  Returns an instance with the provided URI.

### Methods

#### getAttribute()

Request.php : 547

Retrieve a single derived request attribute.

`public getAttribute(string $name[, mixed $default = null ]) : mixed`

Retrieves a single derived request attribute as described in getAttributes(). If the attribute has not been previously set, returns the default value as provided.

This method obviates the need for a hasAttribute() method, as it allows specifying a default value to return if the attribute is not found.

##### Parameters

$name : string

  The attribute name.

$default : mixed = null

  Default value to return if the attribute does not exist.

##### Tags

see
  getAttributes()

##### Return values

mixed —

#### getAttributes()

Request.php : 529

Retrieve attributes derived from the request.

`public getAttributes() : array<string|int, mixed>`

The request "attributes" may be used to allow injection of any parameters derived from the request: e.g., the results of path match operations; the results of decrypting cookies; the results of deserializing non-form-encoded message bodies; etc. Attributes will be application and request specific, and CAN be mutable.

##### Return values

array<string|int, mixed> —

Attributes derived from the request.

#### getBody()

Request.php : 192

Gets the body of the message.

`public getBody() : StreamInterface`

##### Return values

StreamInterface —

Returns the body as a stream.

#### getCookieParams()

Request.php : 361

Retrieve cookies.

`public getCookieParams() : array<string|int, mixed>`

Retrieves cookies sent by the client to the server.

The data MUST be compatible with the structure of the $_COOKIE superglobal.

##### Return values

array<string|int, mixed> —

#### getHeader()

Request.php : 100

Retrieves a message header value by the given case-insensitive name.

`public getHeader(string $name) : array<string|int, string>`

This method returns an array of all the header values of the given case-insensitive header name.

If the header does not appear in the message, this method MUST return an empty array.

##### Parameters

$name : string

  Case-insensitive header field name.

##### Return values

array<string|int, string> —

An array of string values as provided for the given header. If the header does not appear in the message, this method MUST return an empty array.

#### getHeaderLine()

Request.php : 124

Retrieves a comma-separated string of the values for a single header.

`public getHeaderLine(string $name) : string`

This method returns all of the header values of the given case-insensitive header name as a string concatenated together using a comma.

NOTE: Not all header values may be appropriately represented using comma concatenation. For such headers, use getHeader() instead and supply your own delimiter when concatenating.

If the header does not appear in the message, this method MUST return an empty string.

##### Parameters

$name : string

  Case-insensitive header field name.

##### Return values

string —

A string of values as provided for the given header concatenated together using a comma. If the header does not appear in the message, this method MUST return an empty string.

#### getHeaders()

Request.php : 68

Retrieves all message header values.

`public getHeaders() : array<string|int, array<string|int, string>>`

The keys represent the header name as it will be sent over the wire, and each value is an array of strings associated with the header.

    // Represent the headers as a string
    foreach ($message->getHeaders() as $name => $values) {
        echo $name . ": " . implode(", ", $values);
    }

    // Emit headers iteratively:
    foreach ($message->getHeaders() as $name => $values) {
        foreach ($values as $value) {
            header(sprintf('%s: %s', $name, $value), false);
        }
    }

While header names are not case-sensitive, getHeaders() will preserve the exact case in which headers were originally specified.

##### Return values

array<string|int, array<string|int, string>> —

Returns an associative array of the message's headers. Each key MUST be a header name, and each value MUST be an array of strings for that header.

#### getMethod()

Request.php : 263

Retrieves the HTTP method of the request.

`public getMethod() : string`

##### Return values

string —

Returns the request method.

#### getParsedBody()

Request.php : 480

Retrieve any parameters provided in the request body.

`public getParsedBody() : null|array<string|int, mixed>|object`

If the request Content-Type is either application/x-www-form-urlencoded or multipart/form-data, and the request method is POST, this method MUST return the contents of $_POST.

Otherwise, this method may return any results of deserializing the request body content; as parsing returns structured content, the potential types MUST be arrays or objects only. A null value indicates the absence of body content.

##### Return values

null|array<string|int, mixed>|object —

The deserialized body parameters, if any. These will typically be an array or object.

#### getProtocolVersion()

Request.php : 20

Retrieves the HTTP protocol version as a string.

`public getProtocolVersion() : string`

The string MUST contain only the HTTP version number (e.g., "1.1", "1.0").

##### Return values

string —

HTTP protocol version.

#### getQueryParams()

Request.php : 400

Retrieve query string arguments.

`public getQueryParams() : array<string|int, mixed>`

Retrieves the deserialized query string arguments, if any.

Note: the query params might not be in sync with the URI or server params. If you need to ensure you are only getting the original values, you may need to parse the query string from `getUri()->getQuery()` or from the `QUERY_STRING` server param.

##### Return values

array<string|int, mixed> —

#### getRequestTarget()

Request.php : 231

Retrieves the message's request target.

`public getRequestTarget() : string`

Retrieves the message's request-target either as it will appear (for clients), as it appeared at request (for servers), or as it was specified for the instance (see withRequestTarget()).

In most cases, this will be the origin-form of the composed URI, unless a value was provided to the concrete implementation (see withRequestTarget() below).

If no URI is available, and no request-target has been specifically provided, this method MUST return the string "/".

##### Return values

string —

#### getServerParams()

Request.php : 346

Retrieve server parameters.

`public getServerParams() : array<string|int, mixed>`

Retrieves data related to the incoming request environment, typically derived from PHP's $_SERVER superglobal. The data IS NOT REQUIRED to originate from $_SERVER.

##### Return values

array<string|int, mixed> —

#### getUploadedFiles()

Request.php : 444

Retrieve normalized file upload data.

`public getUploadedFiles() : array<string|int, mixed>`

This method returns upload metadata in a normalized tree, with each leaf an instance of Psr\Http\Message\UploadedFileInterface.

These values MAY be prepared from $_FILES or the message body during instantiation, or MAY be injected via withUploadedFiles().

##### Return values

array<string|int, mixed> —

An array tree of UploadedFileInterface instances; an empty array MUST be returned if no data is present.

#### getUri()

Request.php : 297

Retrieves the URI instance.

`public getUri() : UriInterface`

This method MUST return a UriInterface instance.

##### Tags

link
  http://tools.ietf.org/html/rfc3986#section-4.3

##### Return values

UriInterface —

Returns a UriInterface instance representing the URI of the request.

#### hasHeader()

Request.php : 81

Checks if a header exists by the given case-insensitive name.

`public hasHeader(string $name) : bool`

##### Parameters

$name : string

  Case-insensitive header field name.

##### Return values

bool —

Returns true if any header names match the given header name using a case-insensitive string comparison. Returns false if no matching header name is found in the message.

#### withAddedHeader()

Request.php : 165

Return an instance with the specified header appended with the given value.

`public withAddedHeader(string $name, string|array<string|int, string> $value) : static`

Existing values for the specified header will be maintained. The new value(s) will be appended to the existing list. If the header did not exist previously, it will be added.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the new header and/or value.

##### Parameters

$name : string

  Case-insensitive header field name to add.

$value : string|array<string|int, string>

  Header value(s).

##### Tags

throws
  InvalidArgumentException

  for invalid header names or values.

##### Return values

static —

#### withAttribute()

Request.php : 567

Return an instance with the specified derived request attribute.

`public withAttribute(string $name, mixed $value) : static`

This method allows setting a single derived request attribute as described in getAttributes().

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the updated attribute.

##### Parameters

$name : string

  The attribute name.

$value : mixed

  The value of the attribute.

##### Tags

see
  getAttributes()

##### Return values

static —

#### withBody()

Request.php : 210

Return an instance with the specified message body.

`public withBody(StreamInterface $body) : static`

The body MUST be a StreamInterface object.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return a new instance that has the new body stream.

##### Parameters

$body : StreamInterface

  Body.

##### Tags

throws
  InvalidArgumentException

  When the body is not valid.

##### Return values

static —

#### withCookieParams()

Request.php : 383

Return an instance with the specified cookies.

`public withCookieParams(array<string|int, mixed> $cookies) : static`

The data IS NOT REQUIRED to come from the $_COOKIE superglobal, but MUST be compatible with the structure of $_COOKIE. Typically, this data will be injected at instantiation.

This method MUST NOT update the related Cookie header of the request instance, nor related values in the server params.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the updated cookie values.

##### Parameters

$cookies : array<string|int, mixed>

  Array of key/value pairs representing cookies.

##### Return values

static —

#### withHeader()

Request.php : 144

Return an instance with the provided value replacing the specified header.

`public withHeader(string $name, string|array<string|int, string> $value) : static`

While header names are case-insensitive, the casing of the header will be preserved by this function, and returned from getHeaders().

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the new and/or updated header and value.

##### Parameters

$name : string

  Case-insensitive header field name.

$value : string|array<string|int, string>

  Header value(s).

##### Tags

throws
  InvalidArgumentException

  for invalid header names or values.

##### Return values

static —

#### withMethod()

Request.php : 283

Return an instance with the provided HTTP method.

`public withMethod(string $method) : static`

While HTTP method names are typically all uppercase characters, HTTP method names are case-sensitive and thus implementations SHOULD NOT modify the given string.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the changed request method.

##### Parameters

$method : string

  Case-sensitive method.

##### Tags

throws
  InvalidArgumentException

  for invalid HTTP methods.

##### Return values

static —

#### withoutAttribute()

Request.php : 586

Return an instance that removes the specified derived request attribute.

`public withoutAttribute(string $name) : static`

This method allows removing a single derived request attribute as described in getAttributes().

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that removes the attribute.

##### Parameters

$name : string

  The attribute name.

##### Tags

see
  getAttributes()

##### Return values

static —

#### withoutHeader()

Request.php : 182

Return an instance without the specified header.

`public withoutHeader(string $name) : static`

Header resolution MUST be done without case-sensitivity.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that removes the named header.

##### Parameters

$name : string

  Case-insensitive header field name to remove.

##### Return values

static —

#### withParsedBody()

Request.php : 513

Return an instance with the specified body parameters.

`public withParsedBody(null|array<string|int, mixed>|object $data) : static`

These MAY be injected during instantiation.

If the request Content-Type is either application/x-www-form-urlencoded or multipart/form-data, and the request method is POST, use this method ONLY to inject the contents of $_POST.

The data IS NOT REQUIRED to come from $_POST, but MUST be the results of deserializing the request body content. Deserialization/parsing returns structured data, and, as such, this method ONLY accepts arrays or objects, or a null value if nothing was available to parse.

As an example, if content negotiation determines that the request data is a JSON payload, this method could be used to create a request instance with the deserialized parameters.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the updated body parameters.

##### Parameters

$data : null|array<string|int, mixed>|object

  The deserialized body data. This will typically be in an array or object.

##### Tags

throws
  InvalidArgumentException

  if an unsupported argument type is provided.

##### Return values

static —

#### withProtocolVersion()

Request.php : 38

Return an instance with the specified HTTP protocol version.

`public withProtocolVersion(string $version) : static`

The version string MUST contain only the HTTP version number (e.g., "1.1", "1.0").

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the new protocol version.

##### Parameters

$version : string

  HTTP protocol version

##### Return values

static —

#### withQueryParams()

Request.php : 427

Return an instance with the specified query string arguments.

`public withQueryParams(array<string|int, mixed> $query) : static`

These values SHOULD remain immutable over the course of the incoming request. They MAY be injected during instantiation, such as from PHP's $_GET superglobal, or MAY be derived from some other value such as the URI. In cases where the arguments are parsed from the URI, the data MUST be compatible with what PHP's parse_str() would return for purposes of how duplicate query parameters are handled, and how nested sets are handled.

Setting query string arguments MUST NOT change the URI stored by the request, nor the values in the server params.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the updated query string arguments.

##### Parameters

$query : array<string|int, mixed>

  Array of query string arguments, typically from $_GET.

##### Return values

static —

#### withRequestTarget()

Request.php : 253

Return an instance with the specific request-target.

`public withRequestTarget(mixed $requestTarget) : static`

If the request needs a non-origin-form request-target — e.g., for specifying an absolute-form, authority-form, or asterisk-form — this method may be used to create an instance with the specified request-target, verbatim.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the changed request target.

##### Parameters

$requestTarget : mixed

##### Tags

link

  (for the various request-target forms allowed in request messages)

##### Return values

static —

#### withUploadedFiles()

Request.php : 460

Create a new instance with the specified uploaded files.

`public withUploadedFiles(array<string|int, mixed> $uploadedFiles) : static`

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the updated body parameters.

##### Parameters

$uploadedFiles : array<string|int, mixed>

  An array tree of UploadedFileInterface instances.

##### Tags

throws
  InvalidArgumentException

  if an invalid structure is provided.

##### Return values

static —

#### withUri()

Request.php : 332

Returns an instance with the provided URI.

`public withUri(UriInterface $uri[, bool $preserveHost = false ]) : static`

This method MUST update the Host header of the returned request by default if the URI contains a host component. If the URI does not contain a host component, any pre-existing Host header MUST be carried over to the returned request.

You can opt-in to preserving the original state of the Host header by setting `$preserveHost` to `true`. When `$preserveHost` is set to `true`, this method interacts with the Host header in the following ways:

- If the Host header is missing or empty, and the new URI contains a host component, this method MUST update the Host header in the returned request.
- If the Host header is missing or empty, and the new URI does not contain a host component, this method MUST NOT update the Host header in the returned request.
- If a Host header is present and non-empty, this method MUST NOT update the Host header in the returned request.

This method MUST be implemented in such a way as to retain the immutability of the message, and MUST return an instance that has the new UriInterface instance.

##### Parameters

$uri : UriInterface

  New request URI to use.

$preserveHost : bool = false

  Preserve the original state of the Host header.

##### Tags

link
  http://tools.ietf.org/html/rfc3986#section-4.3

##### Return values

static —

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