valec3 Backend Quality Debugging
When to use this skill
- Troubleshooting bugs
- Production issues
- Performance problems
- Error tracking
Workflow
- Enable debug mode (dev only)
- Use logging
- Check query execution
- Use Kint for variables
- Track errors
Instructions
Logging
<?php
log_message('error', 'User not found: ' . $userId);
log_message('debug', 'Processing order: ' . $orderId);
log_message('info', 'Email sent to: ' . $email);
Debug Toolbar
<?php
// Config/Boot/development.php
Services::toolbar()->respond();
Variable Debugging
<?php
d($variable); // Dump
dd($variable); // Dump and die
Query Debugging
<?php
$db = \Config\Database::connect();
echo $db->getLastQuery();
Resources
- Log errors and important events
- Use debug toolbar in dev
- Never show errors in production