This is a quick guide to use FirePHP + Firebug to write debug output to firebug console. FirePHP is a Log-Appender for firebug console. With this piece of code you write php debug output directly to firebug console.
The requirements
So let's get started for beginning you need four things:
After you've installed firephp and firebug in firefox, you have a "small bug icon" in the lower right corner that looks like this.
Netconsole settings
Next we're go to the test site and activate firephp. So type in http://labs.pirsig.net/firephp/firetest.php click on the Firebug icon. Next click on the Net-Tab and activate the "console" and "net" checkbox.
Net-Console Output
Next Click on "Console" and reload the site you should see some debug output in firebug console.
Testside PHP-Code
Enclosed is the php code for the testside
// Include FirePHP OOP Class
require_once("FirePHP.class.php");
// Define a Global DEBUG flag
// This should probly go to a central place
DEFINE(DEBUG,true);
// Get a instance the true automaticly create's
// an instance and makes sure there is only one
// registered (singleton)
$fb = FirePHP::getInstance(true);
// Array's with firephp configuration
//
// maxObjectDepth Maximum depth to traverse objects.
// maxArrayDepth Maximum depth to traverse arrays.
// useNativeJsonEncode Set to FALSE to use JSON encoder included
// with FirePHPCore instead of json_encode().
// includeLineNumbers Include File and Line information in message.
// Defaults:
$options = array('maxObjectDepth' => 10,
'maxArrayDepth' => 20,
'useNativeJsonEncode' => true,
'includeLineNumbers' => true);
$fb->setOptions($options);
// Define to control global debug input output
$fb->setEnabled(DEBUG);
// Displays different kind of log output
$fb->log('Hello log');
$fb->info('Hello info');
$fb->warn('Hello warning');
$fb->error('Hello error');
echo "Normal site output";
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