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Easy PHP console logging in Chrome (similar to FirePHP in Firefox).

1. Download the ChromePHP Extension (you will click this extension “on” when you want to use ChromePHP).
2. Download the ChromePHP class itself and stick it in your path (example: /Applications/MAMP/bin/php5.3/lib/php/ChromePhp.php).
3. (a most critical step that is not made clear in the ChromePHP install instructions) Create a place for ChromePHP to store log files: mkdir /Applications/MAMP/htdocs/chromephplogs
4. Start logging:

   include 'ChromePhp.php';
ChromePhp::useFile('/Applications/MAMP/htdocs/chromephplogs', '/chromephplogs');
ChromePhp::log('hello world');
ChromePhp::log($_SERVER);

   // using labels
   foreach ($_SERVER as $key => $value) {
   ChromePhp::log($key, $value);
   }

   // warnings and errors
ChromePhp::warn('this is a warning');
ChromePhp::error('this is an error');

Notice the use of ChromePhp::useFile() in the above code… this is critical as ChromePhp simply will not work correctly without it. useFile() accepts 2 arguments… here is the code itself:

/**
* this will allow you to specify a path on disk and a uri to access a static file that can store json
*
* this allows you to log data that is more than 4k
*
* @param string path to directory on disk to keep log files
* @param string url path to url to access the files
*/
public static function useFile($path, $url)
{
$logger = self::getInstance();
$logger->addSetting(self::LOG_PATH, rtrim($path, '/'));
$logger->addSetting(self::URL_PATH, rtrim($url, '/'));
}