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[Utility & Helpers](/categories/utility) 4. / 5. jsonpolicy/jsonpolicy-php ActiveLibrary[Utility & Helpers](/categories/utility) jsonpolicy/jsonpolicy-php ========================= JSON Policy - Distributed Rule Engine for PHP 0.0.2(5y ago)291MITPHP Since Oct 26Pushed 5y ago5 watchersCompare [ Source](https://github.com/jsonpolicy/jsonpolicy-php)[ Packagist](https://packagist.org/packages/jsonpolicy/jsonpolicy-php)[ Docs](https://jsonpolicy.com)[ RSS](/packages/jsonpolicy-jsonpolicy-php/feed)WikiDiscussions master Synced 1mo ago READMEChangelog (1)Dependencies (1)Versions (3)Used By (0) JSON Policy - Distributed Rule Engine ===================================== [](#json-policy---distributed-rule-engine) JSON Policy is the lightweight, no dependencies framework that allows you to decouple your codebase from conditional logic. It is the domain-specific language based on the JSON-format where you prepare well-structured JSON policies that contain knowledge on when to execute certain features/services and under which circumstances. Prerequisites ------------- [](#prerequisites) Before you begin, ensure you have met the following requirements: PHP 7.3+ (recommended), however, may run on PHP 7.0+; You have read [Json Policy Documentation](https://jsonpolicy.github.io/); Installation ------------ [](#installation) You can install the library via Composer with the following command: ``` composer require jsonpolicy/jsonpolicy-php ``` To install manually, download this repository and move all the files inside the `src` folder to the desired destination. Then simply register the autoload function as following ``` spl_autoload_register(function ($class_name) { if (strpos($class_name, 'JSONPolicy') === 0) { $filepath = ''; $filepath += str_replace(array('JSONPolicy', '\\'), array('', '/'), $class_name) . '.php'; } if (!empty($filepath) && file_exists($filepath)) { require_once $filepath; } }); ``` Using JSON Policy ----------------- [](#using-json-policy) Let's imagine that you build an application for the car dealership, where based on the currently logged in agent, you determine if he/she is allowed to sell the car from available stock. Conditions under which this is determined may vary and most likely will be fluctuated regularly. Here is how your code may look like: ``` use JsonPolicy\Manager as JsonPolicyManager; $manager = JsonPolicyManager::bootstrap([ 'repository' => [ file_get_contents(__DIR__ . '/policy.json') ] ]); // Create the car dealership instance and pass the available list of cars that can // be sold $dealership = new Dealership($stock); // Check which car is allowed to be sold based on policy attached to current // identity foreach ($dealership as $car) { if ($manager->isAllowedTo($car, 'sell') === true) { echo "You can sell the {$car->model} ($car->year)\n"; } else { echo "You cannot sell the {$car->model} ($car->year)\n"; } } ``` The policy that defines all the conditions can be something like this: ``` { "Statement": [ { "Effect": "deny", "Resource": "Car" }, { "Effect": "allow", "Resource": "Car", "Action": [ "sell", "view" ], "Condition": { "LessOrEquals": { "(*int)${Car.price}": 30000 } } } ] } ``` The above policy does not allow agents to sell or even see cars that are above $30k. Contributing To The Project --------------------------- [](#contributing-to-the-project) To contribute to JSON Policy, follow these steps: 1. Fork this repository. 2. Create a branch: `git checkout -b `. 3. Make your changes and commit them: `git commit -m ''` 4. Push to the original branch: `git push origin /` 5. Create the pull request. Alternatively see the GitHub documentation on [creating a pull request](https://help.github.com/en/github/collaborating-with-issues-and-pull-requests/creating-a-pull-request). Contact ------- [](#contact) If you want to contact me you can reach me at . License ------- [](#license) This project uses the following license: [](https://www.gnu.org/licenses/#GPL). ### Health Score 23 — LowBetter than 27% of packages Maintenance20 Infrequent updates — may be unmaintained Popularity8 Limited adoption so far Community12 Small or concentrated contributor base Maturity45 Maturing project, gaining track record Bus Factor1 Top contributor holds 94.1% 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 ~4 days Total 2 Last Release 2026d ago ### Community Maintainers ![](https://www.gravatar.com/avatar/4477febfbc9c4a8a2fb914e22170118383d32b872942c8f4acf294c77b0525cf?d=identicon)[jsonpolicy](/maintainers/jsonpolicy) --- Top Contributors [![vasyltech](https://avatars.githubusercontent.com/u/12138560?v=4)](https://github.com/vasyltech "vasyltech (16 commits)")[![jsonpolicy](https://avatars.githubusercontent.com/u/71992459?v=4)](https://github.com/jsonpolicy "jsonpolicy (1 commits)") --- Tags json policyaccess controlsaccess controls as code ### Code Quality TestsPHPUnit ### Embed Badge ![Health badge](/badges/jsonpolicy-jsonpolicy-php/health.svg) ``` [![Health](https://phpackages.com/badges/jsonpolicy-jsonpolicy-php/health.svg)](https://phpackages.com/packages/jsonpolicy-jsonpolicy-php) ``` PHPackages © 2026 [Directory](/)[Categories](/categories)[Trending](/trending)[Changelog](/changelog)[Analyze](/analyze)