PhpMigration\App::showUsage PHP Method

    protected function showUsage($type = 'usage', $halt = true)
    {
        $usage_simple = <<<'EOT'
Usage: phpmig [options] <file>...
       phpmig -l | --list
EOT;
        $usage_full = <<<EOT
PHP Migration - A static analyzer for PHP version migration

{$usage_simple}

Options:
  -l, --list            List all check sets
  -q, --quite           Only output identified spots, ignore all uncertain
  -s, --set=NAME        The name of check set to use [default: to56]
  -d, --dump            Dump abstract syntax tree
  -v, --verbose
  -h, --help            Show this screen
      --version         Show version
EOT;
        $usage_dev = <<<'EOT'

Development:
  --export-posbit <doc> Export built-in function posbit list
  --pack                Generate an executable phar file
EOT;
        if ($type == 'usage') {
            echo $usage_simple . "\n";
        } elseif ($this->devmode) {
            echo $usage_full . "\n" . $usage_dev . "\n";
        } else {
            echo $usage_full . "\n";
        }
        if ($halt) {
            exit(0);
        }
    }