Elgg\SystemMessagesService Class Reference

System messages service. More...

Public Member Functions
	__construct (\ElggSession $session)
	Constructor. More...
	dumpRegister (string $register_name= '')
	Empty and return the given register or all registers. More...
	count (string $register_name= '')
	Counts the number of messages, either globally or in a particular register. More...
	addSuccessMessage (string $message)
	Display a system message on next page load. More...
	addErrorMessage (string $message)
	Display an error on next page load. More...
	addMessage ($message)
	Adds a message to the registry. More...
	loadRegisters ()
	Load the registers from the session. More...
	saveRegisters (array $set)
	Save the registers to the session. More...

Public Attributes
const	SUCCESS = 'success'
const	ERROR = 'error'
const	SESSION_KEY = '_elgg_msgs'

Protected Attributes
	$session

Detailed Description

System messages service.

Use elgg()->system_messages

Since

1.11.0

Definition at line 14 of file SystemMessagesService.php.

Constructor & Destructor Documentation

Elgg\SystemMessagesService::__construct

(

\ElggSession

$session

)

Constructor.

Parameters

\ElggSession

$session

The Elgg session

Definition at line 30 of file SystemMessagesService.php.

Member Function Documentation

Elgg\SystemMessagesService::addErrorMessage

(

string

$message

)

Display an error on next page load.

Parameters

string

$message

Error or errors to add

Returns

void

Definition at line 104 of file SystemMessagesService.php.

Elgg\SystemMessagesService::addMessage

(

$message

)

Adds a message to the registry.

Parameters

\ElggSystemMessage | array

$message

Error or errors to add

See also

::factory()

Returns

void

Exceptions

InvalidArgumentException

Since

4.2.0

Definition at line 121 of file SystemMessagesService.php.

Elgg\SystemMessagesService::addSuccessMessage

(

string

$message

)

Display a system message on next page load.

Parameters

string

$message

Message or messages to add

Returns

void

Definition at line 93 of file SystemMessagesService.php.

Elgg\SystemMessagesService::count

(

string

$register_name = ''

)

Counts the number of messages, either globally or in a particular register.

Parameters

string

$register_name

Optionally, the register

Returns

integer The number of messages

Definition at line 73 of file SystemMessagesService.php.

Elgg\SystemMessagesService::dumpRegister

(

string

$register_name = ''

)

Empty and return the given register or all registers.

In each case, the return value is a filtered version of the full registers array.

Parameters

string

$register_name

The register. Empty string for all.

Returns

array The array of registers dumped

Definition at line 43 of file SystemMessagesService.php.

Elgg\SystemMessagesService::loadRegisters

(

)

Load the registers from the session.

Returns

array

Definition at line 140 of file SystemMessagesService.php.

Elgg\SystemMessagesService::saveRegisters

(

array

$set

)

Save the registers to the session.

The method of displaying these messages differs depending upon plugins and viewtypes. The core default viewtype retrieves messages in views/default/page/shells/default.php and displays messages as javascript popups.

Messages are stored as strings in the Elgg session as ['msg'][$register] array.

Parameters

array

$set

The set of registers

Returns

void

Definition at line 157 of file SystemMessagesService.php.

Member Data Documentation

Elgg\SystemMessagesService::$session

protected

Definition at line 23 of file SystemMessagesService.php.

const Elgg\SystemMessagesService::ERROR = 'error'

Definition at line 17 of file SystemMessagesService.php.

const Elgg\SystemMessagesService::SESSION_KEY = '_elgg_msgs'

Definition at line 18 of file SystemMessagesService.php.

const Elgg\SystemMessagesService::SUCCESS = 'success'

Definition at line 16 of file SystemMessagesService.php.

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The documentation for this class was generated from the following file:

• engine/classes/Elgg/SystemMessagesService.php