concrete/controllers/install.php
protected function getInstaller()
    {
        if ($this->installer === null) {
            $this->installer = $this->app->make(Installer::class);
        }

        return $this->installer;
    }
protected function getInstaller()
    {
        if ($this->installer === null) {
            $this->installer = $this->app->make(Installer::class);
        }

        return $this->installer;
    }
protected function getInstaller ( ) { if ( $ this -> installer === null ) { $ this -> installer = $ this -> app -> make ( Installer :: class ) ; } return $ this -> installer ; }
Get the installer instance.

@return Installer
Get the installer instance .