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Class yii\console\UnknownCommandException

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Inheritanceyii\console\UnknownCommandException » yii\console\Exception » yii\base\UserException » yii\base\Exception » Exception
Available since version2.0.11
Source Code https://github.com/yiisoft/yii2/blob/master/framework/console/UnknownCommandException.php

UnknownCommandException represents an exception caused by incorrect usage of a console command.

Public Properties

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PropertyTypeDescriptionDefined By
$command string The name of the command that could not be recognized. yii\console\UnknownCommandException

Protected Properties

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PropertyTypeDescriptionDefined By
$application yii\console\Application yii\console\UnknownCommandException

Public Methods

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MethodDescriptionDefined By
__construct() Construct the exception. yii\console\UnknownCommandException
getName() yii\console\UnknownCommandException
getSuggestedAlternatives() Suggest alternative commands for $command based on string similarity. yii\console\UnknownCommandException

Property Details

$application protected property
protected yii\console\Application $application = null
$command public property

The name of the command that could not be recognized.

public string $command = null

Method Details

__construct() public method

Construct the exception.

public void __construct ( $route, $application, $code = 0, Exception $previous = null )
$route string

The route of the command that could not be found.
$application yii\console\Application

The console application instance involved.
$code integer

The Exception code.
$previous Exception

The previous exception used for the exception chaining.
getName() public method

public string getName ( )
return string

The user-friendly name of this exception
getSuggestedAlternatives() public method

Suggest alternative commands for $command based on string similarity.

Alternatives are searched using the following steps:

  • suggest alternatives that begin with $command
  • find typos by calculating the Levenshtein distance between the unknown command and all available commands. The Levenshtein distance is defined as the minimal number of characters you have to replace, insert or delete to transform str1 into str2.

See also https://secure.php.net/manual/en/function.levenshtein.php.

public array getSuggestedAlternatives ( )
return array

A list of suggested alternatives sorted by similarity.