PHP Debug Bar

Displays a debug bar in the browser with information from php. No more var_dump() in your code!

Features:

Generic debug bar with no other dependencies
Easy to integrate with any project
Clean, fast and easy to use interface
Handles AJAX request
Includes generic data collectors and collectors for well known libraries
The client side bar is 100% coded in javascript
Easily create your own collectors and their associated view in the bar

Installation

The easiest way to install DebugBar is using Composer with the following requirement:

{
    "require": {
        "maximebf/debugbar": ">=1.0.0"
    }
}

Alternatively, you can download the archive and add the src/ folder to PHP's include path:

set_include_path('/path/to/src' . PATH_SEPARATOR . get_include_path());

DebugBar does not provide an autoloader but follows the PSR-0 convention.
You can use the following snippet to autoload ConsoleKit classes:

spl_autoload_register(function($className) {
    if (substr($className, 0, 8) === 'DebugBar') {
        $filename = str_replace('\\', DIRECTORY_SEPARATOR, trim($className, '\\')) . '.php';
        require_once $filename;
    }
});

Quick start

DebugBar is very easy to use and you can add it to any of your projets in no time. The easiest way is using the render() functions

<?php
use DebugBar\StandardDebugBar;
use DebugBar\Renderer\JavascriptRenderer;

$debugbar = new StandardDebugBar();
$debugbarRenderer = $debugbar->getJavascriptRenderer();

$debugbar["messages"]->addMessage("hello world!");
?>
<html>
    <head>
        <?php echo $debugbarRenderer->renderHead() ?>
    </head>
    <body>
        ...
        <?php echo $debugbarRenderer->render() ?>
    </body>
</html>

The DebugBar uses DataCollectors to collect data from your PHP code. Some of them are automated but others are manual. Use the DebugBar like an array where keys are the collector names. In our previous example, we add a message to the MessagesCollector:

$debugbar["messages"]->addMessage("hello world!");

StandardDebugBar activates all bundled collectors:

MemoryCollector (memory)
MessagesCollector (messages)
PhpInfoCollector (php)
RequestDataCollector (request)
TimeDataCollector (time)

Learn more about DebugBar in the docs.