How Can I Effectively Debug Custom WooCommerce Shipping Methods?

Debugging in WooCommerce 3

When encountering debugging issues while creating a custom shipping method for WooCommerce, the inability to access debug information can be frustrating. In this guide, we'll explore alternative debugging techniques to address this challenge.

1). Utilize WC Logs and the WC_Logger Class

WooCommerce provides logging capabilities through the WC_Logger class. Instead of logging to the error log, you can log to a WC logger for easier retrieval from the dashboard.

To view the logs, navigate to WooCommerce > System Status > Logs. Select and view the desired error log file. You can also find the logs in the /wc-logs folder within your site installation.

For example, to log exceptions:

$log = new WC_Logger();
$log_entry = print_r($e, true);
$log_entry .= 'Exception Trace: ' . print_r($e->getTraceAsString(), true);
$log->log('new-woocommerce-log-name', $log_entry);

2). Debugging with WordPress WP_DEBUG Log

Alternatively, you can enable debug mode in your wp-config.php file:

define('WP_DEBUG', true);
define('WP_DEBUG_LOG', true);
define('WP_DEBUG_DISPLAY', false);

Errors will be logged to wp-content/debug.log. To display variables for debugging:

error_log(print_r($variable, true));

By utilizing either method, you can access the necessary debug information to resolve issues with your custom shipping method.

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