Class SessionComponent

check()source public

check( string $name )

Checks if a session variable is set.

In your controller: $this->Session->check('Controller.sessKey');

Parameters

string $name

the name of the session key you want to check

Returns

boolean
true is session variable is set, false if not

Link

http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::check

consume()source public

consume( string $name )

Reads and deletes a session value for a key.

In your controller: $this->Session->consume('Controller.sessKey');

Parameters

string $name

the name of the session key you want to read

Returns

mixed
values from the session vars

delete()source public

delete( string $name )

Deletes a session value for a key.

In your controller: $this->Session->delete('Controller.sessKey');

Parameters

string $name

the name of the session key you want to delete

Returns

boolean
true is session variable is set and can be deleted, false is variable was not set.

Link

http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::delete

destroy()source public

destroy( )

Used to destroy sessions

In your controller: $this->Session->destroy();

Link

http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::destroy

error()source public

error( )

Used to determine the last error in a session.

In your controller: $this->Session->error();

Returns

string
Last session error

id()source public

id( string $id null )

Get/Set the session id.

When fetching the session id, the session will be started if it has not already been started. When setting the session id, the session will not be started.

Parameters

string $id optional null

Id to use (optional)

Returns

string
The current session id.

read()source public

read( string $name null )

Reads a session value for a key or returns values for all keys.

In your controller: $this->Session->read('Controller.sessKey'); Calling the method without a param will return all session vars

Parameters

string $name optional null

the name of the session key you want to read

Returns

mixed
value from the session vars

Link

http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::read

renew()source public

renew( )

Used to renew a session id

In your controller: $this->Session->renew();

setFlash()source public

setFlash( string $message , string $element 'default' , array $params array() , string $key 'flash' )

Used to set a session variable that can be used to output messages in the view.

In your controller: $this->Session->setFlash('This has been saved');

Additional params below can be passed to customize the output, or the Message.[key]. You can also set additional parameters when rendering flash messages. See SessionHelper::flash() for more information on how to do that.

Deprecated

3.0.0 Since 2.7, use the FlashComponent instead.

Parameters

string $message

Message to be flashed

string $element optional 'default'

Element to wrap flash message in.

array $params optional array()

Parameters to be sent to layout as view variables

string $key optional 'flash'

Message key, default is 'flash'

Link

http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#creating-notification-messages

started()source public

started( )

Returns a bool, whether or not the session has been started.

Returns

boolean

userAgent()source public

userAgent( string $userAgent null )

Get / Set the userAgent

Parameters

string $userAgent optional null

Set the userAgent

Returns

string
Current user agent.

valid()source public

valid( )

Used to check for a valid session.

In your controller: $this->Session->valid();

Returns

boolean
true is session is valid, false is session is invalid

write()source public

write( string $name , string $value null )

Writes a value to a session key.

In your controller: $this->Session->write('Controller.sessKey', 'session value');

Parameters

string $name

The name of the key your are setting in the session. This should be in a Controller.key format for better organizing

string $value optional null

The value you want to store in a session.

Returns

boolean
Success

Link

http://book.cakephp.org/2.0/en/core-libraries/components/sessions.html#SessionComponent::write

__construct()source public

__construct( ComponentCollection $collection , array $settings array() )

Constructor

Parameters

ComponentCollection $collection

A ComponentCollection this component can use to lazy load its components

array $settings optional array()

Array of configuration settings.

Overrides

Object::__construct()

__get()source public

__get( string $name )

Magic method for lazy loading $components.

Parameters

string $name

Name of component to get.

Returns

mixed
A Component object or null.

beforeRedirect()source public

beforeRedirect( Controller $controller , string|array $url , integer $status null , boolean $exit true )

Called before Controller::redirect(). Allows you to replace the URL that will be redirected to with a new URL. The return of this method can either be an array or a string.

If the return is an array and contains a 'url' key. You may also supply the following:

• status The status code for the redirect
• exit Whether or not the redirect should exit.

If your response is a string or an array that does not contain a 'url' key it will be used as the new URL to redirect to.

Parameters

Controller $controller

Controller with components to beforeRedirect

string|array $url

Either the string or URL array that is being redirected to.

integer $status optional null

The status code of the redirect

boolean $exit optional true

Will the script exit.

Returns

array|null
Either an array or null.

Link

http://book.cakephp.org/2.0/en/controllers/components.html#Component::beforeRedirect

beforeRender()source public

beforeRender( Controller $controller )

Called before the Controller::beforeRender(), and before the view class is loaded, and before Controller::render()

Parameters

Controller $controller

Controller with components to beforeRender

Link

http://book.cakephp.org/2.0/en/controllers/components.html#Component::beforeRender

initialize()source public

initialize( Controller $controller )

Called before the Controller::beforeFilter().

Parameters

Controller $controller

Controller with components to initialize

Link

http://book.cakephp.org/2.0/en/controllers/components.html#Component::initialize

shutdown()source public

shutdown( Controller $controller )

Called after Controller::render() and before the output is printed to the browser.

Parameters

Controller $controller

Controller with components to shutdown

Link

http://book.cakephp.org/2.0/en/controllers/components.html#Component::shutdown

startup()source public

startup( Controller $controller )

Called after the Controller::beforeFilter() and before the controller action

Parameters

Controller $controller

Controller with components to startup

Link

http://book.cakephp.org/2.0/en/controllers/components.html#Component::startup

_mergeVars()source protected

_mergeVars( array $properties , string $class , boolean $normalize true )

Merges this objects $property with the property in $class' definition. This classes value for the property will be merged on top of $class'

This provides some of the DRY magic CakePHP provides. If you want to shut it off, redefine this method as an empty function.

Parameters

array $properties

The name of the properties to merge.

string $class

The class to merge the property with.

boolean $normalize optional true

Set to true to run the properties through Hash::normalize() before merging.

_set()source protected

_set( array $properties array() )

Allows setting of multiple properties of the object in a single line of code. Will only set properties that are part of a class declaration.

Parameters

array $properties optional array()

An associative array containing properties and corresponding values.

_stop()source protected

_stop( integer|string $status 0 )

Stop execution of the current script. Wraps exit() making testing easier.

Parameters

integer|string $status optional 0

see http://php.net/exit for values

dispatchMethod()source public

dispatchMethod( string $method , array $params array() )

Calls a method on this object with the given parameters. Provides an OO wrapper for call_user_func_array

Parameters

string $method

Name of the method to call

array $params optional array()

Parameter list to use when calling $method

Returns

mixed
Returns the result of the method call

log()source public

log( string $msg , integer $type LOG_ERR , null|string|array $scope null )

Convenience method to write a message to CakeLog. See CakeLog::write() for more information on writing to logs.

Parameters

string $msg

Log message

integer $type optional LOG_ERR

Error type constant. Defined in app/Config/core.php.

null|string|array $scope optional null

The scope(s) a log message is being created in. See CakeLog::config() for more information on logging scopes.

Returns

boolean
Success of log write

requestAction()source public

requestAction( string|array $url , array $extra array() )

Calls a controller's method from any location. Can be used to connect controllers together or tie plugins into a main application. requestAction can be used to return rendered views or fetch the return value from controller actions.

Under the hood this method uses Router::reverse() to convert the $url parameter into a string URL. You should use URL formats that are compatible with Router::reverse()

Passing POST and GET data

POST and GET data can be simulated in requestAction. Use $extra['url'] for GET data. The $extra['data'] parameter allows POST data simulation.

Parameters

string|array $url

String or array-based URL. Unlike other URL arrays in CakePHP, this URL will not automatically handle passed and named arguments in the $url parameter.

array $extra optional array()

if array includes the key "return" it sets the AutoRender to true. Can also be used to submit GET/POST data, and named/passed arguments.

Returns

mixed

Boolean true or false on success/failure, or contents of rendered action if 'return' is set in $extra.

toString()source public

toString( )

Object-to-string conversion. Each class can override this method as necessary.

Returns

string
The name of this class