FirePHP enables you to log to your Firebug Console using a simple PHP method call.
All data is sent via a set of X-FirePHP-Data response headers. This means that the debugging data will not interfere with the content on your page. Thus FirePHP is ideally suited for AJAX development where clean JSON or XML responses are required.
These details are provided for information only. No information here is legal advice and should not be used as such.