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[Debugging & Profiling](/categories/debugging) 4. / 5. symfony/debug Abandoned → [symfony/error-handler](/?search=symfony%2Ferror-handler)ArchivedLibrary[Debugging & Profiling](/categories/debugging) symfony/debug ============= Provides tools to ease debugging PHP code v4.4.44(3y ago)7.2k391.3M—2.6%4620MITPHPPHP >=7.1.3 Since Jun 2Pushed 3y ago2 watchersCompare [ Source](https://github.com/symfony/debug)[ Packagist](https://packagist.org/packages/symfony/debug)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-debug/feed)WikiDiscussions 4.4 Synced 1mo ago READMEChangelog (10)Dependencies (2)Versions (430)Used By (20) Debug Component =============== [](#debug-component) **CAUTION**: this component is deprecated since Symfony 4.4. Instead, use the [ErrorHandler component](https://github.com/symfony/symfony/tree/master/src/Symfony/Component/ErrorHandler). --- The Debug component provides tools to ease debugging PHP code. Getting Started --------------- [](#getting-started) ``` $ composer require symfony/debug ``` ``` use Symfony\Component\Debug\Debug; Debug::enable(); ``` Resources --------- [](#resources) - [Contributing](https://symfony.com/doc/current/contributing/index.html) - [Report issues](https://github.com/symfony/symfony/issues) and [send Pull Requests](https://github.com/symfony/symfony/pulls)in the [main Symfony repository](https://github.com/symfony/symfony) ### Health Score 60 — FairBetter than 99% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity83 Widely adopted with strong download metrics Community48 Growing community involvement Maturity78 Established project with proven stability Bus Factor2 2 contributors hold 50%+ of commits How is this calculated?**Maintenance (25%)** — Last commit recency, latest release date, and issue-to-star ratio. Uses a 2-year decay window. **Popularity (30%)** — Total and monthly downloads, GitHub stars, and forks. Logarithmic scaling prevents top-heavy scores. **Community (15%)** — Contributors, dependents, forks, watchers, and maintainers. Measures real ecosystem engagement. **Maturity (30%)** — Project age, version count, PHP version support, and release stability. ### Release Activity Cadence Every ~8 days Recently: every ~60 days Total 430 Last Release 1390d ago Major Versions v3.4.41 → v4.4.102020-05-24 v3.4.43 → v4.4.112020-07-23 v3.4.44 → v4.4.122020-08-10 v3.4.45 → v4.4.152020-09-09 v3.4.46 → v4.4.162020-10-24 PHP version history (6 changes)v2.3.0PHP >=5.3.3 v2.7.0-BETA1PHP >=5.3.9 v3.0.0-BETA1PHP >=5.5.9 v3.3.8PHP ^5.5.9|>=7.0.8 v4.0.0-BETA1PHP ^7.1.3 v4.4.10PHP >=7.1.3 ### Community Maintainers ![](https://avatars.githubusercontent.com/u/47313?v=4)[Fabien Potencier](/maintainers/fabpot)[@fabpot](https://github.com/fabpot) --- Top Contributors [![nicolas-grekas](https://avatars.githubusercontent.com/u/243674?v=4)](https://github.com/nicolas-grekas "nicolas-grekas (524 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (429 commits)")[![xabbuh](https://avatars.githubusercontent.com/u/1957048?v=4)](https://github.com/xabbuh "xabbuh (30 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (20 commits)")[![fancyweb](https://avatars.githubusercontent.com/u/3658119?v=4)](https://github.com/fancyweb "fancyweb (15 commits)")[![Tobion](https://avatars.githubusercontent.com/u/610090?v=4)](https://github.com/Tobion "Tobion (13 commits)")[![lyrixx](https://avatars.githubusercontent.com/u/408368?v=4)](https://github.com/lyrixx "lyrixx (12 commits)")[![javiereguiluz](https://avatars.githubusercontent.com/u/73419?v=4)](https://github.com/javiereguiluz "javiereguiluz (7 commits)")[![yceruto](https://avatars.githubusercontent.com/u/2028198?v=4)](https://github.com/yceruto "yceruto (7 commits)")[![GrahamCampbell](https://avatars.githubusercontent.com/u/2829600?v=4)](https://github.com/GrahamCampbell "GrahamCampbell (7 commits)")[![jderusse](https://avatars.githubusercontent.com/u/578547?v=4)](https://github.com/jderusse "jderusse (6 commits)")[![saro0h](https://avatars.githubusercontent.com/u/667519?v=4)](https://github.com/saro0h "saro0h (5 commits)")[![keradus](https://avatars.githubusercontent.com/u/2716794?v=4)](https://github.com/keradus "keradus (5 commits)")[![GuilhemN](https://avatars.githubusercontent.com/u/6871899?v=4)](https://github.com/GuilhemN "GuilhemN (4 commits)")[![jakzal](https://avatars.githubusercontent.com/u/190447?v=4)](https://github.com/jakzal "jakzal (4 commits)")[![c960657](https://avatars.githubusercontent.com/u/111346?v=4)](https://github.com/c960657 "c960657 (3 commits)")[![dunglas](https://avatars.githubusercontent.com/u/57224?v=4)](https://github.com/dunglas "dunglas (3 commits)")[![greg0ire](https://avatars.githubusercontent.com/u/657779?v=4)](https://github.com/greg0ire "greg0ire (3 commits)")[![mpajunen](https://avatars.githubusercontent.com/u/7025066?v=4)](https://github.com/mpajunen "mpajunen (3 commits)")[![ogizanagi](https://avatars.githubusercontent.com/u/2211145?v=4)](https://github.com/ogizanagi "ogizanagi (3 commits)") --- Tags componentphpsymfonysymfony-component ### Embed Badge ![Health badge](/badges/symfony-debug/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-debug/health.svg)](https://phpackages.com/packages/symfony-debug) ``` ### Alternatives [filp/whoops php error handling for cool kids 13.2k402.4M1.4k](/packages/filp-whoops)[symfony/error-handler Provides tools to manage errors and ease debugging PHP code 2.7k651.8M581](/packages/symfony-error-handler)[php-debugbar/php-debugbar Debug bar in the browser for php application 4.4k21.3M40](/packages/php-debugbar-php-debugbar)[symfony/ai-mate AI development assistant MCP server for Symfony projects 1624.9k11](/packages/symfony-ai-mate)[koriym/xdebug-mcp Universal PHP Xdebug MCP Server with AI-optimized debugging support 4011.6k1](/packages/koriym-xdebug-mcp) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)