src/Console/Commands/Install.php
public function echo($type, $content)
    {
        if ($this->option('debug') == false) {
            return;
        }

        // skip empty lines
        if (trim($content)) {
            $this->{$type}($content);
        }
    }
public function echo($type, $content)
    {
        if ($this->option('debug') == false) {
            return;
        }

        // skip empty lines
        if (trim($content)) {
            $this->{$type}($content);
        }
    }
Write text to the screen for the user to see.

@param [string] $type    line, info, comment, question, error
@param [string] $content