# Class yii\console\ErrorHandler

Inheritance | yii\console\ErrorHandler » yii\base\ErrorHandler » yii\base\Component » yii\base\BaseObject
Implements | yii\base\Configurable
Available since version | 2.0
Source Code | https://github.com/yiisoft/yii2/blob/master/framework/console/ErrorHandler.php

ErrorHandler handles uncaught PHP errors and exceptions.

ErrorHandler is configured as an application component in yii\base\Application by default. You can access that instance via `Yii::$app->errorHandler`.

## Public Properties

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Property | Type | Description | Defined By
--- | --- | --- | ---
$behaviors | yii\base\Behavior[] | List of behaviors attached to this component. This property is read-only. | yii\base\Component
$discardExistingOutput | boolean | Whether to discard any existing page output before error display. | yii\base\ErrorHandler
$exception | Exception|null | The exception that is being handled currently. | yii\base\ErrorHandler
$memoryReserveSize | integer | The size of the reserved memory. | yii\base\ErrorHandler
$silentExitOnException | boolean | If true - `handleException()` will finish script with `ExitCode::OK`. | yii\base\ErrorHandler

## 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
clearOutput() | Removes all output echoed before calling this method. | yii\base\ErrorHandler
convertExceptionToError() | Converts an exception into a PHP error. | yii\base\ErrorHandler
convertExceptionToString() | Converts an exception into a simple string. | yii\base\ErrorHandler
convertExceptionToVerboseString() | Converts an exception into a string that has verbose information about the exception and its trace. | yii\base\ErrorHandler
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
handleError() | Handles PHP execution errors such as warnings and notices. | yii\base\ErrorHandler
handleException() | Handles uncaught PHP exceptions. | yii\base\ErrorHandler
handleFatalError() | Handles fatal PHP errors. | yii\base\ErrorHandler
handleHhvmError() | Handles HHVM execution errors such as warnings and notices. | yii\base\ErrorHandler
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() |  | yii\base\ErrorHandler
logException() | Logs the given exception. | yii\base\ErrorHandler
off() | Detaches an existing event handler from this component. | yii\base\Component
on() | Attaches an event handler to an event. | yii\base\Component
register() | Register this error handler. | yii\base\ErrorHandler
trigger() | Triggers an event. | yii\base\Component
unregister() | Unregisters this error handler by restoring the PHP error and exception handlers. | yii\base\ErrorHandler

## Protected Methods

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Method | Description | Defined By
--- | --- | ---
formatMessage() | Colorizes a message for console output. | yii\console\ErrorHandler
handleFallbackExceptionMessage() | Handles exception thrown during exception processing in handleException(). | yii\base\ErrorHandler
renderException() | Renders an exception using ansi format for console output. | yii\console\ErrorHandler

## Method Details

formatMessage() protected method

Colorizes a message for console output.

See also yii\helpers\Console::ansiFormat() for details on how to specify the message format.

protected string formatMessage ( $message, $format = [\yii\helpers\Console::FG_RED, \yii\helpers\Console::BOLD] )
$message | string | The message to colorize.
$format | array | The message format.
return | string | The colorized message.

renderException() protected method

Renders an exception using ansi format for console output.

protected void renderException ( $exception )
$exception | Exception | The exception to be rendered.