Debugging in WooCommerce 3 : Uncovering the Mystery
When creating custom shipping methods for WooCommerce, accurate debugging is crucial. However, as mentioned in the user's query, a simple console.log() echo may not yield any results. This is because we're dealing with a background process running on the server side.
WC Logger to the Rescue
WooCommerce provides a powerful tool for debugging: the WC_Logger class. This enables us to log messages to specific WooCommerce logs, rather than relying on potentially unreliable JavaScript methods.
- Accessing Logs: You can conveniently access WooCommerce error logs by navigating to WooCommerce > System Status > Logs. Here, you can view log files that contain detailed debugging information.
-
Logging with WC_Logger: To log messages:
$log = new WC_Logger(); $log->log('new-woocommerce-log-name', $log_entry);Use appropriate severity levels, such as 'debug' or 'info,' to categorize your messages.
Alternative: WordPress Debug Log
Alternatively, you can leverage the WordPress debug log:
-
Enable Debug: Add the following to wp-config.php:
define('WP_DEBUG', true); define('WP_DEBUG_LOG', true); define('WP_DEBUG_DISPLAY', false); -
Log with error_log(): Use:
error_log(print_r($variable, true));
to display variables in the debug log file: wp-content/debug.log.
Note: WC_Logger methods have been updated since WooCommerce 3, enabling grouping of logs by context and severity. Utilize the log() method instead of the add() method to avoid deprecation issues.
The above is the detailed content of How to Debug Custom Shipping Methods in WooCommerce 3 ?. For more information, please follow other related articles on the PHP Chinese website!
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