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[Debugging & Profiling](/categories/debugging) 4. / 5. symfony/error-handler ActiveLibrary[Debugging & Profiling](/categories/debugging) symfony/error-handler ===================== Provides tools to manage errors and ease debugging PHP code v8.0.4(3mo ago)2.7k651.8M↓13.8%20[1 issues](https://github.com/symfony/error-handler/issues)20MITPHPPHP >=8.4 Since Nov 12Pushed 1w ago4 watchersCompare [ Source](https://github.com/symfony/error-handler)[ Packagist](https://packagist.org/packages/symfony/error-handler)[ Docs](https://symfony.com)[ Fund](https://symfony.com/sponsor)[ GitHub Sponsors](https://github.com/fabpot)[ RSS](/packages/symfony-error-handler/feed)WikiDiscussions 8.1 Synced 1mo ago READMEChangelog (10)Dependencies (8)Versions (253)Used By (20)Security (1) ErrorHandler Component ====================== [](#errorhandler-component) The ErrorHandler component provides tools to manage errors and ease debugging PHP code. Getting Started --------------- [](#getting-started) ``` composer require symfony/error-handler ``` ``` use Symfony\Component\ErrorHandler\Debug; use Symfony\Component\ErrorHandler\ErrorHandler; use Symfony\Component\ErrorHandler\DebugClassLoader; Debug::enable(); // or enable only one feature //ErrorHandler::register(); //DebugClassLoader::enable(); // If you want a custom generic template when debug is not enabled // HtmlErrorRenderer::setTemplate('/path/to/custom/error.html.php'); $data = ErrorHandler::call(static function () use ($filename, $datetimeFormat) { // if any code executed inside this anonymous function fails, a PHP exception // will be thrown, even if the code uses the '@' PHP silence operator $data = json_decode(file_get_contents($filename), true); $data['read_at'] = date($datetimeFormat); file_put_contents($filename, json_encode($data)); return $data; }); ``` 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 82 — ExcellentBetter than 100% of packages Maintenance89 Actively maintained with recent releases Popularity81 Widely adopted with strong download metrics Community49 Growing community involvement Maturity94 Battle-tested with a long release history Bus Factor1 Top contributor holds 56.6% of commits — single point of failure 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 ~9 days Total 253 Last Release 62d ago Major Versions v7.4.0 → v8.0.02025-11-05 v6.4.32 → 7.3.x-dev2026-01-20 v7.4.4 → v8.0.42026-01-23 6.4.x-dev → 7.4.x-dev2026-03-17 7.4.x-dev → 8.0.x-dev2026-03-17 PHP version history (9 changes)v4.4.0-BETA2PHP ^7.1.3 v5.0.0-BETA2PHP ^7.2.9 v5.0.0PHP ^7.2.5 v5.1.0-RC2PHP >=7.2.5 v4.4.10PHP >=7.1.3 v6.0.0-BETA1PHP >=8.0.2 v6.1.0-BETA1PHP >=8.1 v7.0.0PHP >=8.2 v8.0.0-BETA1PHP >=8.4 ### 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 (463 commits)")[![fabpot](https://avatars.githubusercontent.com/u/47313?v=4)](https://github.com/fabpot "fabpot (95 commits)")[![derrabus](https://avatars.githubusercontent.com/u/1506493?v=4)](https://github.com/derrabus "derrabus (75 commits)")[![xabbuh](https://avatars.githubusercontent.com/u/1957048?v=4)](https://github.com/xabbuh "xabbuh (58 commits)")[![fancyweb](https://avatars.githubusercontent.com/u/3658119?v=4)](https://github.com/fancyweb "fancyweb (18 commits)")[![yceruto](https://avatars.githubusercontent.com/u/2028198?v=4)](https://github.com/yceruto "yceruto (14 commits)")[![wouterj](https://avatars.githubusercontent.com/u/749025?v=4)](https://github.com/wouterj "wouterj (13 commits)")[![keradus](https://avatars.githubusercontent.com/u/2716794?v=4)](https://github.com/keradus "keradus (11 commits)")[![lyrixx](https://avatars.githubusercontent.com/u/408368?v=4)](https://github.com/lyrixx "lyrixx (10 commits)")[![alexandre-daubois](https://avatars.githubusercontent.com/u/2144837?v=4)](https://github.com/alexandre-daubois "alexandre-daubois (7 commits)")[![javiereguiluz](https://avatars.githubusercontent.com/u/73419?v=4)](https://github.com/javiereguiluz "javiereguiluz (6 commits)")[![jderusse](https://avatars.githubusercontent.com/u/578547?v=4)](https://github.com/jderusse "jderusse (6 commits)")[![mpdude](https://avatars.githubusercontent.com/u/1202333?v=4)](https://github.com/mpdude "mpdude (4 commits)")[![OskarStark](https://avatars.githubusercontent.com/u/995707?v=4)](https://github.com/OskarStark "OskarStark (4 commits)")[![ogizanagi](https://avatars.githubusercontent.com/u/2211145?v=4)](https://github.com/ogizanagi "ogizanagi (4 commits)")[![chalasr](https://avatars.githubusercontent.com/u/7502063?v=4)](https://github.com/chalasr "chalasr (4 commits)")[![PhilETaylor](https://avatars.githubusercontent.com/u/400092?v=4)](https://github.com/PhilETaylor "PhilETaylor (3 commits)")[![Tobion](https://avatars.githubusercontent.com/u/610090?v=4)](https://github.com/Tobion "Tobion (3 commits)")[![MatTheCat](https://avatars.githubusercontent.com/u/1898254?v=4)](https://github.com/MatTheCat "MatTheCat (3 commits)")[![alamirault](https://avatars.githubusercontent.com/u/9253091?v=4)](https://github.com/alamirault "alamirault (2 commits)") --- Tags componentphpsymfonysymfony-component ### Embed Badge ![Health badge](/badges/symfony-error-handler/health.svg) ``` [![Health](https://phpackages.com/badges/symfony-error-handler/health.svg)](https://phpackages.com/packages/symfony-error-handler) ``` ### Alternatives [laravel/framework The Laravel Framework. 34.7k509.9M17.0k](/packages/laravel-framework)[php-debugbar/php-debugbar Debug bar in the browser for php application 4.4k21.3M40](/packages/php-debugbar-php-debugbar)[symfony/debug-bundle Provides a tight integration of the Symfony VarDumper component and the ServerLogCommand from MonologBridge into the Symfony full-stack framework 2.4k115.8M824](/packages/symfony-debug-bundle)[spatie/laravel-ignition A beautiful error page for Laravel applications. 573146.7M471](/packages/spatie-laravel-ignition)[spatie/ignition A beautiful error page for PHP applications. 511147.6M69](/packages/spatie-ignition)[drupal/core-recommended Locked core dependencies; require this project INSTEAD OF drupal/core. 6939.5M343](/packages/drupal-core-recommended) PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)