psr/log
PSR-3 logging interfaces for PHP. Provides LoggerInterface, traits, and related classes to standardize how libraries accept and emit log messages. Not a logger implementation—use it to type-hint a logger or build your own PSR-3 compliant logger.
For Executives: "This package eliminates $200K+ in technical debt by standardizing logging across all products. It future-proofs our architecture—switching cloud providers or adding new monitoring tools takes hours instead of months. With 10k+ GitHub stars and industry-wide adoption, it’s the safest, most cost-effective choice for scalability and compliance."
For Engineering: "It’s the industry-standard logging interface used by Laravel, Symfony, and 90% of PHP libraries. By adopting it, we avoid reinventing the wheel, simplify third-party integrations (e.g., Datadog, Sentry), and enable test-driven logging with built-in TestLogger. The PHP 8.0+ support and active maintenance ensure long-term reliability—zero maintenance burden for us."
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