Class CakeRequest

A class that helps wrap Request information and particulars about a single request. Provides methods commonly used to introspect on the request headers and request body.

Has both an Array and Object interface. You can access framework parameters using indexes:

$request['controller'] or $request->controller.

CakeRequest implements ArrayAccess

Package: Cake\Network
Copyright: Copyright (c) Cake Software Foundation, Inc. (http://cakefoundation.org)
License: MIT License
Location: Cake/Network/CakeRequest.php

Properties summary

$_detectors protected

array

The built in detectors used with is() can be modified with addDetector().
$_input protected

string

Copy of php://input. Since this stream can only be read once in most SAPI's keep a copy of it so users don't need to know about that detail.
$base public

string

Base URL path.
$data public

array

Array of POST data. Will contain form data as well as uploaded files. Inputs prefixed with 'data' will have the data prefix removed. If there is overlap between an input prefixed with data and one without, the 'data' prefixed value will take precedence.
$here public

string

The full address to the current request
$params public

array

Array of parameters parsed from the URL.
$query public

array

Array of querystring arguments
$url public

string

The URL string used for the request.
$webroot public

string

webroot path segment for the request.

Method Summary

__call() public

Missing method handler, handles wrapping older style isAjax() type methods
__construct() public

Constructor
__get() public

Magic get method allows access to parsed routing parameters directly on the object.
__isset() public

Magic isset method allows isset/empty checks on routing parameters.
_base() protected

Returns a base URL and sets the proper webroot
_parseAcceptWithQualifier() protected static

Parse Accept* headers with qualifier options.
_processFileData() protected

Recursively walks the FILES array restructuring the data into something sane and useable.
_processFiles() protected

Process $_FILES and move things into the object.
_processGet() protected

Process the GET parameters and move things into the object.
_processPost() protected

process the post data and set what is there into the object. processed data is available at $this->data
_readInput() protected

Read data from php://input, mocked in tests.
_url() protected

Get the request uri. Looks in PATH_INFO first, as this is the exact value we need prepared by PHP. Following that, REQUEST_URI, PHP_SELF, HTTP_X_REWRITE_URL and argv are checked in that order. Each of these server variables have the base path, and query strings stripped off
acceptLanguage() public static

Get the languages accepted by the client, or check if a specific language is accepted.
accepts() public

Find out which content types the client accepts or check if they accept a particular type of content.
addDetector() public

Add a new detector to the list of detectors that a request can use. There are several different formats and types of detectors that can be set.
addParams() public

Add parameters to the request's parsed parameter set. This will overwrite any existing parameters. This modifies the parameters available through $request->params.
addPaths() public

Add paths to the requests' paths vars. This will overwrite any existing paths. Provides an easy way to modify, here, webroot and base.
allowMethod() public

Allow only certain HTTP request methods. If the request method does not match a 405 error will be shown and the required "Allow" response header will be set.
clientIp() public

Get the IP the client is using, or says they are using.
data() public

Provides a read/write accessor for $this->data. Allows you to use a syntax similar to CakeSession for reading post data.
domain() public

Get the domain name and include $tldLength segments of the tld.
header() public static

Read an HTTP header from the Request information.
here() public

Get the value of the current requests URL. Will include named parameters and querystring arguments.
host() public

Get the host that the request was handled on.
input() public

Read data from php://input. Useful when interacting with XML or JSON request body content.
is() public

Check whether or not a Request is a certain type.
isAll() public

Check that a request matches all the given types.
method() public

Get the HTTP method used for this request. There are a few ways to specify a method.
offsetExists() public

Array access isset() implementation
offsetGet() public

Array access read implementation
offsetSet() public

Array access write implementation
offsetUnset() public

Array access unset() implementation
onlyAllow() public deprecated

Alias of CakeRequest::allowMethod() for backwards compatibility.
param() public

Safely access the values in $this->params.
parseAccept() public

Parse the HTTP_ACCEPT header and return a sorted array with content types as the keys, and pref values as the values.
query() public

Provides a read accessor for $this->query. Allows you to use a syntax similar to CakeSession for reading URL query data.
referer() public

Returns the referer that referred this request.
setInput() public

Modify data originally from php://input. Useful for altering json/xml data in middleware or DispatcherFilters before it gets to RequestHandlerComponent
subdomains() public

Get the subdomains for a host.

Method Detail

__call() public ¶

__call( string $name , array $params )

Missing method handler, handles wrapping older style isAjax() type methods

Parameters

string $name: The method called
array $params: Array of parameters for the method call

Returns

mixed

Throws

CakeException
when an invalid method is called.

__construct() public ¶

__construct( string $url = null , boolean $parseEnvironment = true )

Constructor

Parameters

string $url optional null: Trimmed URL string to use. Should not contain the application base path.
boolean $parseEnvironment optional true: Set to false to not auto parse the environment. ie. GET, POST and FILES.

__get() public ¶

__get( string $name )

Magic get method allows access to parsed routing parameters directly on the object.

Allows access to $this->params['controller'] via $this->controller

Parameters

string $name: The property being accessed.

Returns

mixed
Either the value of the parameter or null.

__isset() public ¶

__isset( string $name )

Magic isset method allows isset/empty checks on routing parameters.

Parameters

string $name: The property being accessed.

Returns

boolean
Existence

_base() protected ¶

_base( )

Returns a base URL and sets the proper webroot

If CakePHP is called with index.php in the URL even though URL Rewriting is activated (and thus not needed) it swallows the unnecessary part from $base to prevent issue #3318.

Returns

string
Base URL

Link

https://cakephp.lighthouseapp.com/projects/42648-cakephp/tickets/3318

_parseAcceptWithQualifier() protected static ¶

_parseAcceptWithQualifier( string $header )

Parse Accept* headers with qualifier options.

Only qualifiers will be extracted, any other accept extensions will be discarded as they are not frequently used.

Parameters

string $header: Header to parse.

Returns

array

_processFileData() protected ¶

_processFileData( string $path , array $data , string $field )

Recursively walks the FILES array restructuring the data into something sane and useable.

Parameters

string $path: The dot separated path to insert $data into.
array $data: The data to traverse/insert.
string $field: The terminal field name, which is the top level key in $_FILES.

_processFiles() protected ¶

_processFiles( )

Process $_FILES and move things into the object.

_processGet() protected ¶

_processGet( )

Process the GET parameters and move things into the object.

_processPost() protected ¶

_processPost( )

process the post data and set what is there into the object. processed data is available at $this->data

Will merge POST vars prefixed with data, and ones without into a single array. Variables prefixed with data will overwrite those without.

If you have mixed POST values be careful not to make any top level keys numeric containing arrays. Hash::merge() is used to merge data, and it has possibly unexpected behavior in this situation.

_readInput() protected ¶

_readInput( )

Read data from php://input, mocked in tests.

Returns

string
contents of php://input

_url() protected ¶

_url( )

Get the request uri. Looks in PATH_INFO first, as this is the exact value we need prepared by PHP. Following that, REQUEST_URI, PHP_SELF, HTTP_X_REWRITE_URL and argv are checked in that order. Each of these server variables have the base path, and query strings stripped off

Returns

string
URI The CakePHP request path that is being accessed.

acceptLanguage() public static ¶

acceptLanguage( string $language = null )

Get the languages accepted by the client, or check if a specific language is accepted.

Get the list of accepted languages:

CakeRequest::acceptLanguage(); ```

Check if a specific language is accepted:

CakeRequest::acceptLanguage('es-es'); ```

Parameters

string $language optional null: The language to test.

Returns

mixed
If a $language is provided, a boolean. Otherwise the array of accepted languages.

accepts() public ¶

accepts( string $type = null )

Find out which content types the client accepts or check if they accept a particular type of content.

Get all types:

$this->request->accepts();

Check for a single type:

$this->request->accepts('application/json');

This method will order the returned content types by the preference values indicated by the client.

Parameters

string $type optional null: The content type to check for. Leave null to get all types a client accepts.

Returns

mixed

Either an array of all the types the client accepts or a boolean if they accept the provided type.

addDetector() public ¶

addDetector( string $name , array $options )

Add a new detector to the list of detectors that a request can use. There are several different formats and types of detectors that can be set.

Environment value comparison

An environment value comparison, compares a value fetched from env() to a known value the environment value is equality checked against the provided value.

e.g addDetector('post', array('env' => 'REQUEST_METHOD', 'value' => 'POST'))

Pattern value comparison

Pattern value comparison allows you to compare a value fetched from env() to a regular expression.

e.g addDetector('iphone', array('env' => 'HTTP_USER_AGENT', 'pattern' => '/iPhone/i'));

Option based comparison

Option based comparisons use a list of options to create a regular expression. Subsequent calls to add an already defined options detector will merge the options.

e.g addDetector('mobile', array('env' => 'HTTP_USER_AGENT', 'options' => array('Fennec')));

Callback detectors

Callback detectors allow you to provide a 'callback' type to handle the check. The callback will receive the request object as its only parameter.

e.g addDetector('custom', array('callback' => array('SomeClass', 'somemethod')));

Request parameter detectors

Allows for custom detectors on the request parameters.

e.g addDetector('requested', array('param' => 'requested', 'value' => 1)

You can also make parameter detectors that accept multiple values using the options key. This is useful when you want to check if a request parameter is in a list of options.

addDetector('extension', array('param' => 'ext', 'options' => array('pdf', 'csv'))

Parameters

string $name: The name of the detector.
array $options: The options for the detector definition. See above.

addParams() public ¶

addParams( array $params )

Add parameters to the request's parsed parameter set. This will overwrite any existing parameters. This modifies the parameters available through $request->params.

Parameters

array $params: Array of parameters to merge in

Returns

$this

addPaths() public ¶

addPaths( array $paths )

Add paths to the requests' paths vars. This will overwrite any existing paths. Provides an easy way to modify, here, webroot and base.

Parameters

array $paths: Array of paths to merge in

Returns

$this

allowMethod() public ¶

allowMethod( string|array $methods )

Allow only certain HTTP request methods. If the request method does not match a 405 error will be shown and the required "Allow" response header will be set.

Example:

$this->request->allowMethod('post', 'delete'); or $this->request->allowMethod(array('post', 'delete'));

If the request would be GET, response header "Allow: POST, DELETE" will be set and a 405 error will be returned.

Parameters

string|array $methods: Allowed HTTP request methods.

Returns

boolean
true

Throws

MethodNotAllowedException

clientIp() public ¶

clientIp( boolean $safe = true )

Get the IP the client is using, or says they are using.

Parameters

boolean $safe optional true: Use safe = false when you think the user might manipulate their HTTP_CLIENT_IP header. Setting $safe = false will also look at HTTP_X_FORWARDED_FOR

Returns

string
The client IP.

data() public ¶

data( string $name )

Provides a read/write accessor for $this->data. Allows you to use a syntax similar to CakeSession for reading post data.

Reading values.

$request->data('Post.title');

When reading values you will get null for keys/values that do not exist.

Writing values

$request->data('Post.title', 'New post!');

You can write to any value, even paths/keys that do not exist, and the arrays will be created for you.

Parameters

string $name: Dot separated name of the value to read/write, one or more args.

Returns

mixed|CakeRequest
$this Either the value being read, or $this so you can chain consecutive writes.

domain() public ¶

domain( integer $tldLength = 1 )

Get the domain name and include $tldLength segments of the tld.

Parameters

integer $tldLength optional 1: Number of segments your tld contains. For example: example.com contains 1 tld. While example.co.uk contains 2.

Returns

string
Domain name without subdomains.

header() public static ¶

header( string $name )

Read an HTTP header from the Request information.

Parameters

string $name: Name of the header you want.

Returns

mixed
Either false on no header being set or the value of the header.

here() public ¶

here( boolean $base = true )

Get the value of the current requests URL. Will include named parameters and querystring arguments.

Parameters

boolean $base optional true: Include the base path, set to false to trim the base path off.

Returns

string
the current request URL including query string args.

host() public ¶

host( boolean $trustProxy = false )

Get the host that the request was handled on.

Parameters

boolean $trustProxy optional false: Whether or not to trust the proxy host.

Returns

string

input() public ¶

input( string $callback = null )

Read data from php://input. Useful when interacting with XML or JSON request body content.

Getting input with a decoding function:

$this->request->input('json_decode');

Getting input using a decoding function, and additional params:

$this->request->input('Xml::build', array('return' => 'DOMDocument'));

Any additional parameters are applied to the callback in the order they are given.

Parameters

string $callback optional null: A decoding callback that will convert the string data to another representation. Leave empty to access the raw input data. You can also supply additional parameters for the decoding callback using var args, see above.

Returns

The
decoded/processed request data.

is() public ¶

is( string|array $type )

Check whether or not a Request is a certain type.

Uses the built in detection rules as well as additional rules defined with CakeRequest::addDetector(). Any detector can be called as is($type) or is$Type().

Parameters

string|array $type: The type of request you want to check. If an array this method will return true if the request matches any type.

Returns

boolean
Whether or not the request is the type you are checking.

isAll() public ¶

isAll( array $types )

Check that a request matches all the given types.

Allows you to test multiple types and union the results. See CakeRequest::is() for how to add additional types and the built-in types.

Parameters

array $types: The types to check.

Returns

boolean
Success.

See

CakeRequest::is()

method() public ¶

method( )

Get the HTTP method used for this request. There are a few ways to specify a method.

If your client supports it you can use native HTTP methods.
You can set the HTTP-X-Method-Override header.
You can submit an input with the name _method

Any of these 3 approaches can be used to set the HTTP method used by CakePHP internally, and will effect the result of this method.

Returns

string
The name of the HTTP method used.

offsetExists() public ¶

offsetExists( string $name )

Array access isset() implementation

Parameters

string $name: thing to check.

Returns

boolean

Implementation of

ArrayAccess::offsetExists()

offsetGet() public ¶

offsetGet( string $name )

Array access read implementation

Parameters

string $name: Name of the key being accessed.

Returns

mixed

Implementation of

ArrayAccess::offsetGet()

offsetSet() public ¶

offsetSet( string $name , mixed $value )

Array access write implementation

Parameters

string $name: Name of the key being written
mixed $value: The value being written.

Implementation of

ArrayAccess::offsetSet()

offsetUnset() public ¶

offsetUnset( string $name )

Array access unset() implementation

Parameters

string $name: Name to unset.

Implementation of

ArrayAccess::offsetUnset()

onlyAllow() public deprecated ¶

onlyAllow( string|array $methods )

Alias of CakeRequest::allowMethod() for backwards compatibility.

Deprecated

3.0.0 Since 2.5, use CakeRequest::allowMethod() instead.

Parameters

string|array $methods: Allowed HTTP request methods.

Returns

boolean
true

Throws

MethodNotAllowedException

See

CakeRequest::allowMethod()

param() public ¶

param( string $name )

Safely access the values in $this->params.

Parameters

string $name: The name of the parameter to get.

Returns

mixed

The value of the provided parameter. Will return false if the parameter doesn't exist or is falsey.

parseAccept() public ¶

parseAccept( )

Parse the HTTP_ACCEPT header and return a sorted array with content types as the keys, and pref values as the values.

Generally you want to use CakeRequest::accept() to get a simple list of the accepted content types.

Returns

array
An array of prefValue => array(content/types)

query() public ¶

query( string $name )

Provides a read accessor for $this->query. Allows you to use a syntax similar to CakeSession for reading URL query data.

Parameters

string $name: Query string variable name

Returns

mixed
The value being read

referer() public ¶

referer( boolean $local = false )

Returns the referer that referred this request.

Parameters

boolean $local optional false: Attempt to return a local address. Local addresses do not contain hostnames.

Returns

string
The referring address for this request.

setInput() public ¶

setInput( string $input )

Modify data originally from php://input. Useful for altering json/xml data in middleware or DispatcherFilters before it gets to RequestHandlerComponent

Parameters

string $input: A string to replace original parsed data from input()

subdomains() public ¶

subdomains( integer $tldLength = 1 )

Get the subdomains for a host.

Parameters

integer $tldLength optional 1: Number of segments your tld contains. For example: example.com contains 1 tld. While example.co.uk contains 2.

Returns

array
An array of subdomains.

Properties detail

`$_detectors` ¶

protected array

The built in detectors used with is() can be modified with addDetector().

There are several ways to specify a detector, see CakeRequest::addDetector() for the various formats and ways to define detectors.

array(
    'get' => array('env' => 'REQUEST_METHOD', 'value' => 'GET'),
    'post' => array('env' => 'REQUEST_METHOD', 'value' => 'POST'),
    'put' => array('env' => 'REQUEST_METHOD', 'value' => 'PUT'),
    'delete' => array('env' => 'REQUEST_METHOD', 'value' => 'DELETE'),
    'head' => array('env' => 'REQUEST_METHOD', 'value' => 'HEAD'),
    'options' => array('env' => 'REQUEST_METHOD', 'value' => 'OPTIONS'),
    'ssl' => array('env' => 'HTTPS', 'value' => 1),
    'ajax' => array('env' => 'HTTP_X_REQUESTED_WITH', 'value' => 'XMLHttpRequest'),
    'flash' => array('env' => 'HTTP_USER_AGENT', 'pattern' => '/^(Shockwave|Adobe) Flash/'),
    'mobile' => array('env' => 'HTTP_USER_AGENT', 'options' => array(
        'Android', 'AvantGo', 'BB10', 'BlackBerry', 'DoCoMo', 'Fennec', 'iPod', 'iPhone', 'iPad',
        'J2ME', 'MIDP', 'NetFront', 'Nokia', 'Opera Mini', 'Opera Mobi', 'PalmOS', 'PalmSource',
        'portalmmm', 'Plucker', 'ReqwirelessWeb', 'SonyEricsson', 'Symbian', 'UP\\.Browser',
        'webOS', 'Windows CE', 'Windows Phone OS', 'Xiino'
    )),
    'requested' => array('param' => 'requested', 'value' => 1)
)

`$_input` ¶

protected string

Copy of php://input. Since this stream can only be read once in most SAPI's keep a copy of it so users don't need to know about that detail.

''

`$base` ¶

public string

Base URL path.

false

`$data` ¶

public array

Array of POST data. Will contain form data as well as uploaded files. Inputs prefixed with 'data' will have the data prefix removed. If there is overlap between an input prefixed with data and one without, the 'data' prefixed value will take precedence.

array()

`$here` ¶

public string

The full address to the current request

null

`$params` ¶

public array

Array of parameters parsed from the URL.

array(
    'plugin' => null,
    'controller' => null,
    'action' => null,
    'named' => array(),
    'pass' => array(),
)

`$query` ¶

public array

Array of querystring arguments

array()

`$url` ¶

public string

The URL string used for the request.

`$webroot` ¶

public string

webroot path segment for the request.

'/'

Packages

Classes

Class CakeRequest

Properties summary

Method Summary

__call() public

__construct() public

__get() public

__isset() public

_base() protected

_parseAcceptWithQualifier() protected static

_processFileData() protected

_processFiles() protected

_processGet() protected

_processPost() protected

_readInput() protected

_url() protected

acceptLanguage() public static

accepts() public

addDetector() public

addParams() public

addPaths() public

allowMethod() public

clientIp() public

data() public

domain() public

header() public static

here() public

host() public

input() public

is() public

isAll() public

method() public

offsetExists() public

offsetGet() public

offsetSet() public

offsetUnset() public

onlyAllow() public deprecated

param() public

parseAccept() public

query() public

referer() public

setInput() public

subdomains() public

Method Detail

__call() public ¶

Parameters

Returns

Throws

__construct() public ¶

Parameters

__get() public ¶

Parameters

Returns

__isset() public ¶

Parameters

Returns

_base() protected ¶

Returns

Link

_parseAcceptWithQualifier() protected static ¶

Parameters

Returns

_processFileData() protected ¶

Parameters

_processFiles() protected ¶

_processGet() protected ¶

_processPost() protected ¶

_readInput() protected ¶

Returns

_url() protected ¶

Returns

acceptLanguage() public static ¶

Parameters

Returns

accepts() public ¶

Get all types:

Check for a single type:

Parameters

Returns