wp cli has-command

Detects if a command exists

This commands checks if a command is registered with WP-CLI. If the command is found then it returns with exit status 0. If the command doesn't exist, then it will exit with status 1.

OPTIONS

<command_name>... : The command

EXAMPLES

# The "site delete" command is registered.
$ wp cli has-command "site delete"
$ echo $?
0

# The "foo bar" command is not registered.
$ wp cli has-command "foo bar"
$ echo $?
1

GLOBAL PARAMETERS

These global parameters have the same behavior across all commands and affect how WP-CLI interacts with WordPress.