What are the best tools for PHP application monitoring and debugging?

1. Debugging Tools

• Xdebug: Step debugging, profiling, and stack traces
• PHP Debug Bar: Displays debug info in a toolbar (queries, logs, memory)
• Whoops: User-friendly error handling and stack trace visualization

2. Logging & Error Tracking

• Monolog: Advanced logging with file, email, and database handlers
• Sentry: Real-time error tracking and alerts
• New Relic APM: Application performance monitoring with error insights

3. Performance Monitoring

• Blackfire.io: Profiling and performance optimization
• Tideways: Lightweight PHP performance monitoring and tracing
• APM (Application Performance Monitoring): Tools like Datadog, AppDynamics

4. Database Monitoring & Optimization

• MySQLTuner: Analyze and optimize MySQL performance
• Adminer: Lightweight alternative to phpMyAdmin for database management
• Percona Toolkit : Advanced database query performance analysis

5. Security Monitoring

• OWASP ZAP: Detect security vulnerabilities
• Sucuri Security Scanner: Monitor for malware and threats
• PHP Security Checker: Scan composer dependencies for security risks

6. Server & Log Monitoring

• ELK Stack (Elasticsearch, Logstash, Kibana): Centralized logging and analysis
• Graylog: Log aggregation and monitoring
• Nagios/Zabbix: Server health and uptime monitoring