Write a Symfony command that asks the user for a number and then prints the number back to the user.

Question

About Symfony console commands, which items are true?

Accepted Answer

The name of the command classes must be suffixed by “Command”.

Accepted Answer

The 3 methods of a command’s life cycle are: initialize(), interact(), execute().

Accepted Answer

The COMMAND event is dispatched before a command is launched.

Accepted Answer

The “DialogHelper” helper method allows interactions with the command user.

Answer

Command classes must always be declared as a service tagged with the tag “console.command”.

Question from the Symfony 2 test