# Class yii\debug\Panel

Inheritance | yii\debug\Panel » yii\base\Component » yii\base\BaseObject
Implements | yii\base\Configurable
Subclasses | yii\debug\panels\AssetPanel, yii\debug\panels\ConfigPanel, yii\debug\panels\DbPanel, yii\debug\panels\DumpPanel, yii\debug\panels\EventPanel, yii\debug\panels\LogPanel, yii\debug\panels\MailPanel, yii\debug\panels\ProfilingPanel, yii\debug\panels\RequestPanel, yii\debug\panels\RouterPanel, yii\debug\panels\TimelinePanel, yii\debug\panels\UserPanel, yii\elasticsearch\DebugPanel, yii\httpclient\debug\HttpClientPanel, yii\mongodb\debug\MongoDbPanel
Available since version | 2.0
Source Code | https://github.com/yiisoft/yii2-debug/blob/master/Panel.php

Panel is a base class for debugger panel classes. It defines how data should be collected, what should be displayed at debug toolbar and on debugger details view.

## Public Properties

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Property | Type | Description | Defined By
--- | --- | --- | ---
$actions | array | Array of actions to add to the debug modules default controller. | yii\debug\Panel
$behaviors | yii\base\Behavior[] | List of behaviors attached to this component. This property is read-only. | yii\base\Component
$data | mixed | Data associated with panel | yii\debug\Panel
$detail | string | Content that is displayed in debugger detail view. This property is read-only. | yii\debug\Panel
$id | string | Panel unique identifier. | yii\debug\Panel
$module | yii\debug\Module |  | yii\debug\Panel
$name | string | Name of the panel. This property is read-only. | yii\debug\Panel
$summary | string | Content that is displayed at debug toolbar. This property is read-only. | yii\debug\Panel
$tag | string | Request data set identifier. | yii\debug\Panel
$url | string | URL pointing to panel detail view. This property is read-only. | yii\debug\Panel

## Protected Properties

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Property | Type | Description | Defined By
--- | --- | --- | ---
$error | yii\debug\FlattenException|null | Error while saving the panel | yii\debug\Panel

## Public Methods

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Method | Description | Defined By
--- | --- | ---
__call() | Calls the named method which is not a class method. | yii\base\Component
__clone() | This method is called after the object is created by cloning an existing one. | yii\base\Component
__construct() | Constructor. | yii\base\BaseObject
__get() | Returns the value of a component property. | yii\base\Component
__isset() | Checks if a property is set, i.e. defined and not null. | yii\base\Component
__set() | Sets the value of a component property. | yii\base\Component
__unset() | Sets a component property to be null. | yii\base\Component
attachBehavior() | Attaches a behavior to this component. | yii\base\Component
attachBehaviors() | Attaches a list of behaviors to the component. | yii\base\Component
behaviors() | Returns a list of behaviors that this component should behave as. | yii\base\Component
canGetProperty() | Returns a value indicating whether a property can be read. | yii\base\Component
canSetProperty() | Returns a value indicating whether a property can be set. | yii\base\Component
className() | Returns the fully qualified name of this class. | yii\base\BaseObject
detachBehavior() | Detaches a behavior from the component. | yii\base\Component
detachBehaviors() | Detaches all behaviors from the component. | yii\base\Component
ensureBehaviors() | Makes sure that the behaviors declared in behaviors() are attached to this component. | yii\base\Component
getBehavior() | Returns the named behavior object. | yii\base\Component
getBehaviors() | Returns all behaviors attached to this component. | yii\base\Component
getDetail() |  | yii\debug\Panel
getError() |  | yii\debug\Panel
getName() |  | yii\debug\Panel
getSummary() |  | yii\debug\Panel
getTraceLine() | Returns a trace line | yii\debug\Panel
getUrl() |  | yii\debug\Panel
hasError() |  | yii\debug\Panel
hasEventHandlers() | Returns a value indicating whether there is any handler attached to the named event. | yii\base\Component
hasMethod() | Returns a value indicating whether a method is defined. | yii\base\Component
hasProperty() | Returns a value indicating whether a property is defined for this component. | yii\base\Component
init() | Initializes the object. | yii\base\BaseObject
isEnabled() | Checks whether this panel is enabled. | yii\debug\Panel
load() | Loads data into the panel | yii\debug\Panel
off() | Detaches an existing event handler from this component. | yii\base\Component
on() | Attaches an event handler to an event. | yii\base\Component
save() | Saves data to be later used in debugger detail view. | yii\debug\Panel
setError() |  | yii\debug\Panel
trigger() | Triggers an event. | yii\base\Component

## Protected Methods

Hide inherited methods

Method | Description | Defined By
--- | --- | ---
getLogMessages() | Gets messages from log target and filters according to their categories and levels. | yii\debug\Panel

## Property Details

$actions public property

Array of actions to add to the debug modules default controller. This array will be merged with all other panels actions property. See yii\base\Controller::actions() for the format.

public array $actions = []
$data public property

Data associated with panel

public mixed $data = null
$detail public property

Content that is displayed in debugger detail view. This property is read-only.

public string $detail = null
$error protected property (available since version 2.0.10)

Error while saving the panel

protected yii\debug\FlattenException|null $error = null
$id public property

Panel unique identifier. It is set automatically by the container module.

public string $id = null
$module public property
public yii\debug\Module $module = null
$name public property

Name of the panel. This property is read-only.

public string $name = null
$summary public property

Content that is displayed at debug toolbar. This property is read-only.

public string $summary = null
$tag public property

Request data set identifier.

public string $tag = null
$url public property

URL pointing to panel detail view. This property is read-only.

public string $url = null

## Method Details

getDetail() public method

public string getDetail ( )
return | string | Content that is displayed in debugger detail view

getError() public method (available since version 2.0.10)

public yii\debug\FlattenException|null getError ( )

getLogMessages() protected method (available since version 2.1.4)

Gets messages from log target and filters according to their categories and levels.

See also yii\log\Target::filterMessages().

protected array getLogMessages ( $levels = 0, $categories = [], $except = [], $stringify = false )
$levels | integer | The message levels to filter by. This is a bitmap of level values. Value 0 means allowing all levels.
$categories | array | The message categories to filter by. If empty, it means all categories are allowed.
$except | array | The message categories to exclude. If empty, it means all categories are allowed.
$stringify | boolean | Convert non-string (such as closures) to strings
return | array | The filtered messages.

getName() public method

public string getName ( )
return | string | Name of the panel

getSummary() public method

public string getSummary ( )
return | string | Content that is displayed at debug toolbar

getTraceLine() public method (available since version 2.0.7)

Returns a trace line

public string getTraceLine ( $options )
$options | array | The array with trace
return | string | The trace line

getUrl() public method

public string getUrl ( $additionalParams = null )
$additionalParams | null|array | Optional additional parameters to add to the route
return | string | URL pointing to panel detail view

hasError() public method (available since version 2.0.10)

public boolean hasError ( )

isEnabled() public method (available since version 2.0.10)

Checks whether this panel is enabled.

public boolean isEnabled ( )
return | boolean | Whether this panel is enabled.

load() public method

Loads data into the panel

public void load ( $data )
$data | mixed |

save() public method

Saves data to be later used in debugger detail view.

This method is called on every page where debugger is enabled.

public mixed save ( )
return | mixed | Data to be saved

setError() public method (available since version 2.0.10)

public void setError ( yii\debug\FlattenException $error )
$error | yii\debug\FlattenException |