PHP PSR-7 Tutorial, Implementation and Examples

This library is a PSR-7 implementation used by Shieldon firewall 2 version, following up the PSR-7 HTTP message interfaces document. You can use it on any framework which is compatible with the PSR-7 standard.

Install

composer require shieldon/psr7

The Shieldon PSR-7 implementation requires at least PHP 7.1 to run.
The usages of every method can be found in the unit tests.

PSR-17 Factories

RequestFactoryServerRequestFactoryResponseFactoryStreamFactoryUploadedFileFactoryUriFactory

Here are some examples that show you the way creating PSR-7 instances from PSR-17 HTTP factories.

RequestFactory

createRequest

__construct

None

createRequest(`$method`, `$uri`)

param string method * The HTTP method associated with the request.param UriInterface|string uri * The URI associated with the request.return RequestInterface

Example:

use Shieldon\Psr15\RequestFactory;$requestFactory = new RequestFactory();$request = $requestFactory->createRequest('GET', 'https://www.google.com');

ServerRequestFactory

createServerRequest

__construct(`$autoDetermine`)

param bool autoDetermine = false Determine HTTP method and URI automatically.

Example:

use Shieldon\Psr15\ServerRequestFactory;$serverRequestFactory = new ServerRequestFactory(true);

PSR-17 document says, In particular, no attempt is made to determine the HTTP method or URI, which must be provided explicitly.

I think that HTTP method and URI can be given by superglobal in SAPI enviornment, since it is a server-side request. This is an option to allow you automatically determine the HTTP method and URI when $method and $uri are empty.

createServerRequest(`$method`, `$uri`, `$serverParams`)

param string method *The HTTP method associated with the request.param UriInterface|string uri *The URI associated with the request.param array serverParams = [] An array of Server API (SAPI) parameters with which to seed the generated request instance.return ServerRequestInterface

Examples:

Determine HTTP method and URI automatically.

$serverRequestFactory = new ServerRequestFactory(true);$serverRequest = $serverRequestFactory->createServerRequest('', '');

Or, the HTTP method and URI must be provided explicitly.

$serverRequestFactory = new ServerRequestFactory();$method = 'GET';$url = 'https://www.yourwebsite.com/current-page/';$serverRequest = $serverRequestFactory->createServerRequest($method, $uri);

ResponseFactory

createResponse

__construct

None

createResponse(`$code`, `$reasonPhrase`)

param int code = 200 The HTTP status code.param string reasonPhrase = '' The reason phrase to associate with the status code.return ResponseInterface

Example:

use Shieldon\Psr15\ResponseFactory;$responseFactory = new ResponseFactory();$response = $responseFactory->createResponse(200, 'OK');

StreamFactory

createStreamcreateStreamFromFilecreateStreamFromResource

__construct

None

createStream(`$content`)

param string content = "" String content with which to populate the stream.return StreamInterface

Example:

$streamFactory = new StreamFactory();$stream = $streamFactory->createStream('Foo Bar');echo $stream;// Outputs: Foo Bar

createStreamFromFile(`$filename`, `$mode`)

param string filename * The filename or stream URI to use as basis of stream.param string mode r The mode with which to open the underlying filename/stream.return StreamInterface

Example:

$sourceFile = BOOTSTRAP_DIR . '/sample/shieldon_logo.png';$streamFactory = new StreamFactory();$stream =  $streamFactory->createStreamFromFile($sourceFile);echo $stream->getSize();// Outputs: 15166

createStreamFromResource(`$resource`)

param string resource * The PHP resource to use as the basis for the stream.return StreamInterface

Example:

$streamFactory = new StreamFactory();$stream =  $streamFactory->createStreamResource(    fopen('php://temp', 'r+'));

UploadedFileFactory

createUploadedFile

__construct

None

createUploadedFile(`$stream`, `$size`, `$error`, `$clientFilename`, `$clientMediaType`)

param StreamInterface stream * The underlying stream representing the uploaded file content.param int|null size = null The size of the file in bytes.param int error = 0 The PHP file upload error.param string|null clientFilename = null The filename as provided by the client, if any.param string|null clientMediaType = null The media type as provided by the client, if any.return UploadedFileInterface

Example:

$uploadedFileFactory = new UploadedFileFactory();$sourcePath = BOOTSTRAP_DIR . '/sample/shieldon_logo.png';$targetPath = STORAGE_DIR . '/images/shieldon_logo.png';$streamFactory = new StreamFactory();$uploadedFileFactory = new UploadedFileFactory();$stream =  $streamFactory->createStreamFromFile($sourcePath);$uploadedFile = $uploadedFileFactory->createUploadedFile($stream);// Move file from $sourcePath to $targetPath.$uploadedFile->moveTo($targetPath);

UriFactory

createUri

__construct

None

createUri(`$uri`)

param string uri = "" The URI to parse.return UriInterface

Example:

$uriFactory = new UriFactory;$uri = $uriFactory->createUri();

PSR-7 Classes

MessageRequest (externds Message)ServerRequest (externds Request)ResponseStreamUploadedFileUri

Note:

Here only shows the PSR-7 methods because other non-PSR methods are just helpers. They are listed on the bottom of this page, you can check out them if you are interested.

Message

getProtocolVersionwithProtocolVersiongetHeadershasHeadergetHeadergetHeaderLinewithHeaderwithAddedHeaderwithoutHeadergetBodywithBody

__construct

None

Example:

$message = new \Shieldon\Psr7\Message();

getProtocolVersion()

return string HTTP protocol version.

Example:

echo $message->getProtocolVersion();// Outputs: 1.1

withProtocolVersion(`$version`)

param string version * HTTP protocol version.return static

getHeaders()

return array (string[][]) Each key is a header name, and each value is an array of strings for that header

Example:

$headers = $message->getHeaders();print(print_r($headers, true));/* Outputs:Array(    [user-agent] => Array        (            [0] => Mozilla/5.0 (Windows NT 10.0; Win64; x64)        )    [host] => Array        (            [0] => 127.0.0.1        )    [accept] => Array        (            [0] => text/html,application/xhtml+xml,application/xml;q=0.9        )    [accept_charset] => Array        (            [0] => ISO-8859-1,utf-8;q=0.7,*;q=0.3        )    [accept_language] => Array        (            [0] => en-US,en;q=0.9,zh-TW;q=0.8,zh;q=0.7        ))*/

hasHeader(`$name`)

param string name * Case-insensitive header field name.return bool

Example:

if ($message->hasHeader('user-agent')) {    echo 'Header user-agent exists.';} else {    echo 'Header user-agent does not exist.';}// Outputs: Header user-agent exists.

getHeader(`$name`)

param string name * Case-insensitive header field name.return array An array of string values as provided for the given. Return empty array if the header dosn't exist.

Example:

$useragent = $this->message->getHeader('user-agent');print(print_r($useragent, true));/* Outputs:    Array    (        [0] => Mozilla/5.0 (Windows NT 10.0; Win64; x64)    )*/$useragent = $this->message->getHeader('does-not-exist');print(print_r($useragent, true));/* Outputs:    Array()*/

getHeaderLine(`$name`)

param string name * Case-insensitive header field name.return array a string values as provided for the given header concatenated together using a comma. Return empty string if the header dosn't exist.

Example:

echo $this->message->getHeaderLine('user-agent');// Outputs: Mozilla/5.0 (Windows NT 10.0; Win64; x64)

withHeader(`$name`, `$value`)

param string name * Case-insensitive header field name.param string|array value * Header value(s)return static

Example:

$message = $message->withHeader('foo', 'bar');echo $message->getHeaderLine('foo');// Outputs: barecho $message->getHeaderLine('FOO');// Outputs: bar$message = $message->withHeader('fOO', 'baz');echo $message->getHeaderLine('foo');// Outputs: baz$message = $message->withHeader('fOO', ['bax', 'bay', 'baz']);echo $message->getHeaderLine('foo');// Outputs: bax, bay, baz

withAddedHeader(`$name`, `$value`)

param string name * Case-insensitive header field name.param string|array value * Header value(s)return 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.

Example:

$message = $message->withHeader('foo', 'bar');echo $message->getHeaderLine('foo');// Outputs: bar$message = $message->withAddedHeader('foo', 'baz');echo $message->getHeaderLine('foo');// Outputs: bar$message = $message->withAddedHeader('foo2', 'baz');echo $message->getHeaderLine('foo2');// Outputs: baz

withoutHeader(`$name`)

param string name * Case-insensitive header field name.return static

Example:

$message = $message->withHeader('foo', 'bar');echo $message->getHeaderLine('foo');// Outputs: bar$message = $message->withoutHeader('foo');echo $message->getHeaderLine('foo');// Outputs:

getBody()

return StreamInterface

Example:

$stream = $message->getBody();// Assume the content is a HTML formatted string.// getContent() is a method defined in StreamInterface.echo $stream->getContents();// Outputs: <html>...</html>

withBody(`$body`)

param StreamInterface body * Body.return static

Example:

$stream = new \Shieldon\Psr7\Stream(fopen('php://temp', 'r+'));$stream->write('Foo Bar');$message = $message->withBody($stream);echo $message->getBody()->getContents();// Outputs: Foo Bar

Request

getRequestTargetwithRequestTargetgetMethodwithMethodgetUriwithUri

__construct(`$method`, `$uri`, `$body`, `$headers`, `$version`)

Example:

$request = new \Shieldon\Psr7\Request('GET', 'https://www.example.com');

getRequestTarget()

return string

In most cases, this will be the origin-form of the composed URI, unless it is changed by withRequestTarget method.

Example:

echo $request->getRequestTarget();// Outputs: /

withRequestTarget(`$requestTarget`)

param string requestTarget *return static

Example:

$request = $request->withRequestTarget('https://www.example2.com/en/');echo $request->getRequestTarget();// Outputs: https://www.example2.com/en/

getMethod()

return string

Example:

echo $request->getMethod();// Outputs: GET

withMethod(`$method`)

param string method * Case-sensitive method.return static

Example:

$request = $request->withMethod('POST');echo $request->getMethod();// Outputs: POST

getUri()

return UriInterface

Example:

echo $request->getUri()->getHost();// Outputs: www.example.com

withUri(`$uri`, `$preserveHost`)

param UriInterface uri * New request URI to use.param string preserveHost * Preserve the original state of the Host header.return static

Example:

$request = new Request('GET', 'https://terryl.in/zh/', '', [], '1.1');$newRequest = $request->withUri(new Uri('https://play.google.com'));$newRequest2 = $newRequest->withUri(new Uri('https://www.facebook.com'), true);echo $newRequest->getUri()->getHost();// Outputs: play.google.comecho $newRequest2->getUri()->getHost();// Outputs: terryl.in

ServerRequest

getServerParamsgetCookieParamswithCookieParamsgetQueryParamswithQueryParamsgetUploadedFileswithUploadedFilesgetParsedBodywithParsedBodygetAttributesgetAttributewithAttributewithoutAttribute

__construct

param string method = "GET" Request HTTP method.param string|UriInterface uri = "" Request URI object URI or URL.param string|StreamInterface body = "" Request body.param array headers = [] Request headers.param string version = "1.1" Request protocol version.param array serverParams = [] Typically $_SERVER superglobal.param array cookieParams = [] Typically $_COOKIE superglobal.param array postParams = [] Typically $_POST superglobal.param array getParams = [] Typically $_GET superglobal.param array filesParams = [] Typically $_FILES superglobal.

Example:

$serverRequest = new \Shieldon\Psr7\ServerRequest();

getServerParams()

return array

Example:

$serverParams = $serverRequests->getServerParams();print(print_r($serverParams, true));/* Outputs:    Array    (        [USER] => vagrant        [HOME] => /home/vagrant        [HTTP_COOKIE] => PHPSESSID=pca6qln5ab1k7ihthqvuo7rtietguapm        [HTTP_ACCEPT_LANGUAGE] => en-US,en;q=0.9,zh-TW;q=0.8,zh;q=0.7        [HTTP_ACCEPT_ENCODING] => gzip, deflate        [HTTP_ACCEPT] => text/html,application/xhtml+xml,application/xml        [HTTP_USER_AGENT] => Mozilla/5.0 (Windows NT 10.0; Win64; x64)        [HTTP_UPGRADE_INSECURE_REQUESTS] => 1        [HTTP_CACHE_CONTROL] => max-age=0        [HTTP_CONNECTION] => keep-alive        [HTTP_HOST] => nantou.welcometw.lo        [CI_ENV] => development        [SCRIPT_FILENAME] => /home/terrylin/public/index.php        [REDIRECT_STATUS] => 200        [SERVER_NAME] => terryl.lo        [SERVER_PORT] => 80        [SERVER_ADDR] => 192.168.33.33        [REMOTE_PORT] => 64557        [REMOTE_ADDR] => 192.168.33.1        [SERVER_SOFTWARE] => nginx/1.14.0        [GATEWAY_INTERFACE] => CGI/1.1        [REQUEST_SCHEME] => http        [SERVER_PROTOCOL] => HTTP/1.1        [DOCUMENT_ROOT] => /home/terrylin/public        [DOCUMENT_URI] => /index.php        [REQUEST_URI] => /        [SCRIPT_NAME] => /index.php        [CONTENT_LENGTH] =>         [CONTENT_TYPE] =>         [REQUEST_METHOD] => GET        [QUERY_STRING] =>         [FCGI_ROLE] => RESPONDER        [PHP_SELF] => /index.php        [REQUEST_TIME_FLOAT] => 1591868770.3356        [REQUEST_TIME] => 1591868770    )*/

getCookieParams()

return array

Example:

$cookieParams = $serverRequests->getCookieParams();print(print_r($cookieParams, true));/* Outputs:    Array    (        [foo] => bar    )*/

getQueryParams()

return array

Example:

// https://www.example.com/?foo=bar$queryParams = $serverRequests->getQueryParams();print(print_r($queryParams, true));/* Outputs:    Array    (        [foo] => bar    )*/

withQueryParams(`$query`)

param array query * Array of query string arguments, typically from $_GET.return static

Example:

$serverRequests = $serverRequests->withQueryParams([    'foo' => 'baz',    'yes' => 'I do',]);$queryParams = $serverRequests->getQueryParams();print(print_r($queryParams, true));/* Outputs:    Array    (        [foo] => baz        [yes] => I do    )*/

getUploadedFiles()

return array

Example:

$_FILES['avatar'] = [    'tmp_name' => '/tmp/phpmFLrzD',    'name' => 'my-avatar.png',    'type' => 'image/png',    'error' => 0,    'size' => 90996,];$serverRequest = new \Shieldon\Psr7\ServerRequest(    'GET',     '',     '',     [],     '1.1',     [],     [],     [],     [],     $_FILES);echo $serverRequests->getUploadedFiles()->getClientFilename();// Outputs: my-avatar.pngecho $serverRequests->getUploadedFiles()->getClientMediaType();// Outputs: image/png

getParsedBody()

return null|array|object

Example:

// Typically, $parsedBody is equal to $_POST superglobal.$parsedBody = $serverRequest->getParsedBody();

withParsedBody(`$data`)

param null|array|object $data * The deserialized body data.return static

Example:

$serverRequest = $serverRequest->withParsedBody(    [        'foo' => 'bar',        'yes' => 'I do'    ]);$parsedBody = $serverRequest->getParsedBody();echo $parsedBody['yes'];// Outputs: I do

getAttributes()

return array

Example:

$_SESSION['user_name'] = 'terrylin';$_SESSION['user_role'] = 'admin';$_SERVER['REMOTE_ADDR'] = '127.0.0.1';$serverRequest = $serverRequest->    withAttribute('session', $_SESSION)->    withAttribute('ip_address', $_SERVER['REMOTE_ADDR']);$attributes = $serverRequest->getAttributes();echo $attributes['session']['user_name'];// Outputs: terrylinecho $attributes['ip_address'];// Outputs: 127.0.0.1

getAttribute(`$name`, `$default`)

param string name * The attribute name.param mixed filesParams = null Default value to return if the attribute does not exist.return mixed

Example:

This example extends to the previous one.

$ip = $serverRequest->getAttribute('ip_address');$session = $serverRequest->getAttribute('session');// paymentStatus does not exist.$paymentStatus = $serverRequest->getAttribute('paymentStatus', 'failed');echo $ip// Outputs: 127.0.0.1echo $session['user_role'];// Outputs: adminecho $paymentStatus;// Outputs: failed

withAttribute(`$name`, `$value`)

param string name * The attribute name.param mixed value * The value of the attribute.return static

Example:

$serverRequest = $serverRequest->withAttribute('ip_address', '19.89.6.4');$ip = $serverRequest->getAttribute('ip_address');echo $ip// Outputs: 19.89.6.4

withoutAttribute(`$name`)

param string name * The attribute name.return static

Example:

$serverRequest = $serverRequest->withoutAttribute('ip_address');$ip = $serverRequest->getAttribute('ip_address', 'undefined');echo $ip// Outputs: undefined

Response

getStatusCodewithStatusgetReasonPhrase

__construct

param int status = 200 Response HTTP status code.param array headers = [] Response headers.param StreamInterface|string body = "" Response body.param string version = "1.1" Response protocol version.param string reason = "OK" Reasponse HTTP reason phrase.

Example:

$response = new \Shieldon\Psr7\Response();

getStatusCode()

return int

Example:

$statusCode = $response->getStatusCode();echo $statusCode// Outputs: 200

withStatus(`$code`, `$reasonPhrase`)

param string code * The 3-digit integer result code to set.param string reasonPhrase = "" The reason phrase to use with the provided status codereturn static

Example:

$response = $response->withStatus(599, 'Something went wrong.');echo $response->getStatusCode();// Outputs: 599echo $response->getReasonPhrase();// Outputs: Something went wrong.

getReasonPhrase()

return string

Example:

$reasonPhrase = $response->getReasonPhrase();echo $reasonPhrase// Outputs: OK

Stream

isWritableisReadableisSeekableclosedetachgetSizetelleofseekrewindwritereadgetContentsgetMetadata__toString

__construct

param resource stream * A valid resource.

Example:

$stream = new \Shieldon\Psr7\Stream(fopen('php://temp', 'r+'));

isWritable()

Write data to the stream.

return bool

Example:

$resource = fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+');$stream = new \Shieldon\Psr7\Stream($resource);if ($stream->isWritable()) {    echo 'File is writable';}// Outputs: File is writable

isReadable()

Returns whether or not the stream is readable.

return bool

Example:

$resource = fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+');$stream = new \Shieldon\Psr7\Stream($resource);if ($stream->isReadable()) {    echo 'File is readable';}// Outputs: File is readable

isSeekable()

Seek to a position in the stream.

return bool

Example:

$resource = fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+');$stream = new \Shieldon\Psr7\Stream($resource);if ($stream->isSeekable()) {    echo 'File is seekable';}// Outputs: File is seekable

close()

loses the stream and any underlying resources.

return void

Example:

$stream = new Stream(fopen('php://temp', 'r+'));/* ... do something ... */$stream->close();

detach()

Separates any underlying resources from the stream. After the stream has been detached, the stream is in an unusable state.

return resource|null

Example:

$stream = new Stream(fopen('php://temp', 'r+'));/* ... do something ... */$legacy = $stream->detach();if (is_resouce($legacy)) {    echo 'Resource is detached.';}// Outputs: Resource is detached.$legacy = $stream->detach();if (is_null($legacy)) {    echo 'Resource has been null.';}// Outputs: Resource has been null.

getSize()

Get the size of the stream if known.

return int|null

Example:

$resource = fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+');$stream = new \Shieldon\Psr7\Stream($resource);echo $stream->getSize();// Outputs: 15166

tell()

Returns the current position of the file read/write pointer

return int Position of the file pointer

$resource = fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+');$stream = new Stream($resource);$stream->seek(10);echo $stream->tell();// Outputs: 10$stream->rewind();echo $stream->tell();// Outputs: 0$stream->close();

eof()

Returns true if the stream is at the end of the stream.

return bool

$resource = fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+');$stream = new Stream($resource);$stream->seek(10);if ($stream->eof()) {    echo 'The position of the file pointer of the stream is at the end.';} else {    echo 'Not at the end.';}// Outputs: Not at the end.$stream->seek(15166);if ($stream->eof()) {    echo 'The position of the file pointer of the stream is at the end.';} else {    echo 'Not at the end.';}// Outputs: The position of the file pointer of the stream is at the end.

seek(`$offset`, `$whence`)

Seek to a position in the stream.

param int offset * Stream offset.param int whence = SEEK_SET Specifies how the cursor position will be calculated based on the seek offset.return void

Example:

// See eof() example.

rewind()

Seek to the beginning of the stream.

return void

Example:

// See tell() example.

write(`$string`)

param string string * The string that is to be written.return int Returns the number of bytes written to the stream.

Example:

$stream = new Stream(fopen('php://temp', 'r+'));$stream->write('Foo Bar');echo $stream->getContents();// Outputs: Foo Bar

read(`$length`)

Read data from the stream.

param int length * Read up to $length bytes from the object and return them.return string

Example:

$stream = new Stream(fopen('php://temp', 'r+'));$stream->write('Glory to Hong Kong');echo $stream->read(5);// Outputs: Glory

getContents()

Returns the remaining contents in a string

return string

Example:

$stream = new Stream(fopen('php://temp', 'r+'));$stream->write('Glory to Hong Kong');echo $stream->getContents();// Outputs: Glory to Hong Kong

getMetadata(`$key`)

Get stream metadata as an associative array or retrieve a specific key.

param string key = null Specific metadata to retrieve.return array|mixed|null

Example:

$resource = fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+');$stream = new Stream($resource);$meta = $stream->getMetadata();print(print_r($queryParams, true));/* Outputs:    Array    (        [timed_out] => false        [blocked] => true        [eof] => false        [wrapper_type] => plainfile        [stream_type] => STDIO        [mode] => r+        [unread_bytes] => 0        [seekable] => true        [uri] => /home/terrylin/data/psr7/tests/sample/shieldon_logo.png    )*/echo $stream->getMetadata('mode')// Outputs: r+

__toString()

Reads all data from the stream into a string, from the beginning to end.

return string

Example:

$stream = new Stream(fopen('php://temp', 'r+'));$stream->write('Foo Bar');echo $stream;// Outputs: Foo Bar

UploadedFile

__constructgetStreammoveTogetSizegetErrorgetClientFilenamegetClientMediaType

__construct

param string|StreamInterface source * The full path of a file or stream.param string|null name = null The file name.param string|null type = null The file media type.param int|null size = null The file size in bytes.param int error = 0 The status code of the upload.param string|null sapi = null Only assign for unit testing purpose.

Example:

$uploadedFile = new \Shieldon\Psr7\UploadedFile(    '/tmp/php200A.tmp', // source    'example1.jpg',     // name    'image/jpeg',       // type    100000,             // size    0                   // error);

getStream()

Retrieve a stream representing the uploaded file.

return StreamInterface

Example:

$stream = new Stream(fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+'));$uploadedFile = new UploadedFile($stream);$stream2 = $uploadedFile->getStream();echo $stream2->getMetadata('mode');// Outputs: r+

moveTo($targetPath)

Move the uploaded file to a new location.

param string targetPath * Path to which to move the uploaded file.

$stream = new Stream(    fopen(BOOTSTRAP_DIR . '/sample/shieldon_logo.png', 'r+'));$uploadedFile = new UploadedFile($stream);$uploadedFile->moveTo('/home/terrylin/public/image_cache/shieldon_logo_png');if (    file_exists('/home/terrylin/public/image_cache/shieldon_logo_png') &&    ! file_exists(BOOTSTRAP_DIR . '/sample/shieldon_logo.png')) {    echo 'File has been moved to the new place.';} else {    echo 'Cannot move file.';}// Outputs: File has been moved to the new place.

getSize()

Retrieve the file size.

return int|null

Example:

$uploadedFile = new \Shieldon\Psr7\UploadedFile(    '/tmp/php200A.tmp',    'example1.jpg',    'image/jpeg',    100000,    0);echo $uploadedFile->getSize();// Outputs: 100000

getError()

Retrieve the error associated with the uploaded file.

return int

Example:

$uploadedFile = new \Shieldon\Psr7\UploadedFile(    '/tmp/php200A.tmp',    'example1.jpg',    'image/jpeg',    100000,    0);$uploadedFile->getError();// Outputs: 0

getClientFilename()

Retrieve the filename sent by the client.

return string|null

Example:

$uploadedFile = new \Shieldon\Psr7\UploadedFile(    '/tmp/php200A.tmp',    'example1.jpg',    'image/jpeg',    100000,    0);$uploadedFile->getClientFilename();// Outputs: example1.jpg

getClientMediaType()

Retrieve the media type sent by the client.

return string|null

Example:

$uploadedFile = new \Shieldon\Psr7\UploadedFile(    '/tmp/php200A.tmp',    'example1.jpg',    'image/jpeg',    100000,    0);$uploadedFile->getClientMediaType();// Outputs: image/jpeg

Uri

getSchemegetAuthoritygetUserInfogetHostgetPortgetPathgetQuerygetFragmentwithSchemewithUserInfowithHostwithPortwithPathwithQuerywithFragment__toString

__construct

param string uri = "" The URI.

Example:

$uri = new \Shieldon\Psr7\Uri('https://www.example.com');

getScheme()

return string

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://www.example.com');echo $uri->getScheme();// Outputs: https

getAuthority()

return string

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://terry:1234@example.com:8888/phpMyAdmin/');echo $uri->getAuthority();// Outputs: terry:1234@example.com:8888

getUserInfo()

return string

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://terry:1234@example.com:8888/phpMyAdmin/');echo $uri->getUserInfo();// Outputs: terry:1234

getHost()

return string

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://terry:1234@example.com:8888/phpMyAdmin/');echo $uri->getUserInfo();// Outputs: example.com

getPort()

return int|null

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://terry:1234@example.com:8888/phpMyAdmin/');echo $uri->getUserInfo();// Outputs: 8888

getPath

return string

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://example.com/post/?p=113&foo=bar#yes-i-do');echo $uri->getPath();// Outputs: /post/

getQuery

return string

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://example.com/post/?p=113&foo=bar#yes-i-do');echo $uri->getQuery();// Outputs: p=113&foo=bar

getFragment

return string

Example:

$uri = new \Shieldon\Psr7\Uri(    'https://example.com/post/?p=113&foo=bar#yes-i-do');echo $uri->getFragment();// Outputs: yes-i-do

withScheme(`$scheme`)

param string scheme * The scheme to use with the new instance.return static

Example:

echo $uri->getScheme();// Outputs: https$url = $uri->withScheme('http');echo $uri->getScheme();// Outputs: http

withUserInfo(`$user`, `$password`)

param string user * The user name to use for authority.

param string|null password = null The password associated with $user.

return static

Example:

echo $uri->getUserInfo();// Outputs: terry:1234$url = $uri->withUserInfo('jack', '5678');echo $uri->getUserInfo();// Outputs: jack:5678

withHost(`$host`)

param string host * The hostname to use with the new instance.return static

Example:

echo $uri->getUserInfo();// Outputs: example.com$url = $uri->withHost('terryl.in');echo $uri->getHost();// Outputs: terryl.in

withPort(`$port`)

param int|null port * The port to use with the new instance; a null value removes the port information.return static

Example:

echo $uri->getUserInfo();// Outputs: 8888$uri = $uri->withPort(443);echo $uri->getUserInfo();// Outputs: 443$uri = $uri->withPort(null);echo $uri->getUserInfo();// Outputs:

withPath(`$path`)

param string path * The path to use with the new instance.return static

Example:

echo $uri->getPath();// Outputs: /post/$uri = $uri->withPath('/new-path');echo $uri->getPath();// Outputs: /new-path

withQuery(`$query`)

param string query * The query string to use with the new instance.return static

Example:

echo $uri->getQuery();// Outputs: p=113&foo=bar$uri = $uri->witQuery('p=120&foo=baz');echo $uri->getQuery();// Outputs: p=120&foo=baz

withFragment(`$fragment`)

param string fragment * The fragment to use with the new instance.return static

Example:

echo $uri->getFragment();// Outputs: yes-i-do$uri = $uri->withFragment('no-i-cant');echo $uri->getFragment();// Outputs: no-i-cant

__toString

return string

Example:

$uri = new Uri('http://example.com:8888/demo/#section-1');echo $uri;// Outputs: http://example.com:8888/demo/#section-1

Run test

composer installcomposer test

Author

Shieldon HTTP message library (PSR-7 implementation) is brought to you by Terry L. from Taiwan.

License

Shieldon HTTP message library is an open-sourced software licensed under the MIT license.

PHP PSR-7 Tutorial, Implementation and Examples

Install

PSR-17 Factories

RequestFactory

__construct

createRequest($method, $uri)

ServerRequestFactory

__construct($autoDetermine)

createServerRequest($method, $uri, $serverParams)

ResponseFactory

__construct

createResponse($code, $reasonPhrase)

StreamFactory

__construct

createStream($content)

createStreamFromFile($filename, $mode)

createStreamFromResource($resource)

UploadedFileFactory

__construct

createUploadedFile($stream, $size, $error, $clientFilename, $clientMediaType)

UriFactory

__construct

createUri($uri)

PSR-7 Classes

Message

__construct

getProtocolVersion()

withProtocolVersion($version)

getHeaders()

hasHeader($name)

getHeader($name)

getHeaderLine($name)

withHeader($name, $value)

withAddedHeader($name, $value)

withoutHeader($name)

getBody()

withBody($body)

Request

__construct($method, $uri, $body, $headers, $version)

getRequestTarget()

withRequestTarget($requestTarget)

getMethod()

withMethod($method)

getUri()

withUri($uri, $preserveHost)

ServerRequest

__construct

getServerParams()

getCookieParams()

getQueryParams()

withQueryParams($query)

getUploadedFiles()

getParsedBody()

withParsedBody($data)

getAttributes()

getAttribute($name, $default)

withAttribute($name, $value)

withoutAttribute($name)

Response

__construct

getStatusCode()

withStatus($code, $reasonPhrase)

getReasonPhrase()

Stream

__construct

isWritable()

isReadable()

isSeekable()

close()

detach()

getSize()

tell()

eof()

seek($offset, $whence)

rewind()

write($string)

read($length)

getContents()

getMetadata($key)

__toString()

createRequest(`$method`, `$uri`)

__construct(`$autoDetermine`)

createServerRequest(`$method`, `$uri`, `$serverParams`)

createResponse(`$code`, `$reasonPhrase`)

createStream(`$content`)

createStreamFromFile(`$filename`, `$mode`)

createStreamFromResource(`$resource`)

createUploadedFile(`$stream`, `$size`, `$error`, `$clientFilename`, `$clientMediaType`)

createUri(`$uri`)

withProtocolVersion(`$version`)

hasHeader(`$name`)

getHeader(`$name`)

getHeaderLine(`$name`)

withHeader(`$name`, `$value`)

withAddedHeader(`$name`, `$value`)

withoutHeader(`$name`)

withBody(`$body`)

__construct(`$method`, `$uri`, `$body`, `$headers`, `$version`)

withRequestTarget(`$requestTarget`)

withMethod(`$method`)

withUri(`$uri`, `$preserveHost`)

withQueryParams(`$query`)

withParsedBody(`$data`)

getAttribute(`$name`, `$default`)

withAttribute(`$name`, `$value`)

withoutAttribute(`$name`)

withStatus(`$code`, `$reasonPhrase`)

seek(`$offset`, `$whence`)

write(`$string`)

read(`$length`)

getMetadata(`$key`)

withScheme(`$scheme`)

withUserInfo(`$user`, `$password`)

withHost(`$host`)

withPort(`$port`)

withPath(`$path`)

withQuery(`$query`)

withFragment(`$fragment`)