setApplication(Application $application = null) Sets the application instance for this command. Parameters Application $application An Application instance

Command setDefinition(array|InputDefinition $definition) Sets an array of argument and option instances. Parameters array|InputDefinition $definition An array of argument and option instances or a definition instance Return Value Command The current instance

int run(InputInterface $input, OutputInterface $output) Runs the command. The code to execute is either defined directly with the setCode() method or by overriding the execute() method in a sub-class. Parameters InputInterface $input An InputInterface instance OutputInterface $output An OutputInterface instance Return Value int The command exit code Exceptions Exception See also setCode() execute()

Command setAliases(string[] $aliases) Sets the aliases for the command. Parameters string[] $aliases An array of aliases for the command Return Value Command The current instance Exceptions InvalidArgumentException When an alias is invalid

bool isEnabled() Checks whether the command is enabled or not in the current environment. Override this to check for x or y and return false if the command can not run properly under the current conditions. Return Value bool

mergeApplicationDefinition(bool $mergeArgs = true) Merges the application definition with the command definition. This method is not part of public API and should not be used directly. Parameters bool $mergeArgs Whether to merge or not the Application definition arguments to Command definition arguments

array getUsages() Returns alternative usages of the command. Return Value array

string getName() Returns the command name. Return Value string The command name

string getProcessedHelp() Returns the processed help for the command replacing the %command.name% and %command.full_name% patterns with the real values dynamically. Return Value string The processed help for the command

ignoreValidationErrors() Ignores validation errors. This is mainly useful for the help command.