As a developer, you may need to debug the TomatoCart system to find the reason of some issue existing in your store. In this article, I will introduce you a useful tool called chromephp that is a class for logging PHP variables to the Google chrome console.

Installation

1. Install the Chrome extension from: https://chrome.google.com/extensions/detail/noaneddfkdjfnfdakjjmocngnfkfehhd

2. Click the chrome php extension icon in the browser to enable it.

3. Download ChromePhp.php from http://craig.is/writing/chrome-logger

4. Put ChromePhp.php into tomatocart root directory > ext fold

5. Find includes > application_top.php to add following code into it:

 require(DIR_FS_CATALOG . 'ext/ChromePhp.php');

6. Find admin > includes > application_top.php to add following code into it:

 require(DIR_FS_CATALOG . 'ext/ChromePhp.php');

Now, you could log some debug message and variables in any place of TomatoCart system.

For example:

ChromePhp::log('Debug message');
ChromePhp::log($_SERVER);
ChromePhp::warn('warning message');

More information can be found at http://www.chromelogger.com. Please try it by yourself.

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