deprecation-detector
A static analysis tool that scans PHP projects for usages of deprecated code, with special support for Symfony.
What is deprecation-detector?
SensioLabs DeprecationDetector is a static analysis tool that scans PHP source code to find usages of deprecated methods, classes, interfaces, and services. It helps developers identify outdated code patterns, especially in Symfony projects, by parsing `@deprecated` annotations to ensure smoother upgrades and maintain code quality.
PHP developers, particularly those working with Symfony frameworks, who need to audit their codebases for deprecated elements during maintenance or upgrade cycles.
It provides automated, accurate detection of deprecated code without requiring code execution, saving time over manual reviews and reducing upgrade risks with specialized Symfony service detection.
Overview
SensioLabs DeprecationDetector is a command-line tool that performs static code analysis to identify deprecated methods, classes, interfaces, and services within PHP projects. It is particularly useful for Symfony applications, helping developers maintain code quality and prepare for upgrades by detecting @deprecated annotations.
Key Features
- Static Code Analysis — Scans source code without execution to find deprecated usages.
- Symfony Integration — Detects deprecated services in Symfony projects.
- RuleSet Caching — Generates and caches deprecation rules from vendor libraries for efficient scanning.
- Flexible Output Formats — Supports CLI, HTML, and simple list outputs for different use cases.
- Method Call Filtering — Allows excluding specific deprecated method calls from results.
Philosophy
The tool emphasizes early detection of deprecated code to facilitate smoother upgrades and maintain long-term project health, leveraging static analysis for accuracy and performance.
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