php-debugbar/php-debugbar

Features

• PHP Application Debuggers - Provides a browser-based interface for monitoring real-time system metrics and application state during the development process.
• Browser Debugging Toolbars - Implements a browser-based diagnostic toolbar for inspecting AJAX requests and application state.
• Data Persistence and Storage - Saves collected application data to external storage, such as files or databases, for analysis across multiple requests.
• PHP Runtime Data Collectors - Captures and stores runtime data such as logs and variables for real-time review in a browser-based interface.
• Runtime Variable Inspectors - Provides a comprehensive system for collecting and persisting PHP environment data and runtime variables across requests.
• Framework Debugging Toolbars - Ships a browser-integrated toolbar that captures and displays real-time PHP application metrics, memory usage, and execution time.
• Runtime Performance Profiling - Tracks memory usage, execution time, and database queries to identify performance bottlenecks in a PHP environment.
• Runtime State Visualizers - Displays real-time system information and application data in a browser-based bar for development.
• Debug Data Visualizers - Renders a browser-based interface showing real-time system information and request metrics.
• Custom Metric Collectors - Enables the creation of custom collectors to capture specific runtime metrics and define associated interface widgets.
• System Metrics Collection - Collects native system-level performance metrics, database queries, and memory usage.
• Metric Collection - Gathers quantitative performance data including memory usage and execution time.
• Request History Archives - Saves and retrieves data from previous requests to compare performance or debug recurring issues across sessions.
• Asset Injection - Injects JavaScript and HTML into the final page output to render the debug toolbar without modifying application templates.
• Cross-Request Debug Persistence - Stores collected debug data in a session or storage mechanism to be displayed after a redirect.
• Debug Session Managers - Stores and switches between different sets of debugging data to toggle the viewed context.
• Debug History Retrievers - Opens and displays previously stored sets of collected application data via a dedicated URL handler.
• AJAX Debug Data Polling - Retrieves debug information for AJAX requests by fetching stored data via a dedicated server-side handler.
• HTTP Session and Header Abstractions - Provides a driver interface to manage sessions and headers across different environments, removing reliance on native language mechanisms.
• Custom Storage Handlers - Supports implementing custom storage handlers through a defined interface to control how debug data is written and retrieved.
• Driver-Based Service Abstractions - Employs a driver interface to decouple HTTP header and session management from the native PHP global state.
• Request-to-Debug-Data Mappings - Assigns unique lexically ordered identifiers to requests to map stored debug data to specific browser sessions.
• Storage Abstractions - Defines a common storage interface to decouple debug data persistence from the underlying file system or database.
• Application Performance Monitoring - Provides a development tool for visualizing system metrics, database queries, and request data during the PHP execution lifecycle.
• Custom Debug Logging - Enables adding manual text messages to the debug interface to track application flow and state changes.
• Application Diagnostics - Visualizes complex variables and application state through interactive HTML dumps and custom data collectors.
• Observability Data Aggregators - Aggregates real-time system and application metrics via modular collectors for unified display.
• Debug Widget Mappings - Links collected data sets to specific browser interface components through a configurable mapping of tabs and icons.
• Interactive Variable Dumps - Converts complex variables into interactive, searchable HTML dumps with configurable depth.
• AJAX Debug Data Transport - Sends debug information via headers or storage handlers to be displayed during asynchronous requests.
• AJAX Request Diagnostics - Captures and displays debugging information for asynchronous requests to ensure background processes function.

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