php/WP_CLI/Runner.php
public function register_early_invoke( $when, $command ) {
		$this->early_invoke[ $when ][] = array_slice( Dispatcher\get_path( $command ), 1 );
	}
public function register_early_invoke( $when, $command ) {
		$this->early_invoke[ $when ][] = array_slice( Dispatcher\get_path( $command ), 1 );
	}
public function register_early_invoke ( $ when , $ command ) { $ this -> early_invoke [ $ when ] [ ] = array_slice ( Dispatcher \ get_path ( $ command ) , 1 ) ; }
Register a command for early invocation, generally before WordPress loads.

@param string $when Named execution hook
@param WP_CLI\Dispatcher\Subcommand $command
Register a command for early invocation generally before WordPress loads .