A robust PHP JSON encoder/decoder with built-in schema validation and version migration support.
Webmozart JSON is a PHP library that wraps native JSON functions to provide consistent behavior across PHP versions, meaningful error handling, and built-in JSON Schema validation. It solves the problem of unreliable JSON parsing and the lack of integrated validation in standard PHP, making JSON data processing more robust and maintainable.
PHP developers working with JSON APIs, configuration files, or data serialization who need validation, versioning, or consistent error handling across different PHP environments.
Developers choose Webmozart JSON for its seamless integration of JSON Schema validation, automated migration between schema versions, and reliable error handling—features not available in PHP's native JSON functions, reducing boilerplate and increasing data integrity.
A robust JSON decoder/encoder with support for schema validation.
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Validates JSON data against JSON Schema during encoding and decoding by default, ensuring data integrity without separate validation steps.
Supports migration between schema versions via JsonMigration interfaces, simplifying data evolution and reducing manual migration work.
Throws clear exceptions like ValidationFailedException for JSON errors and validation failures, improving debugging across PHP versions.
Allows mapping remote schema URLs to local files via LocalUriRetriever, enabling offline validation and reducing network latency.
When the $schema property is set, validation is always enforced during encoding/decoding, which can be inflexible and add unnecessary performance costs for simple use cases.
Setting up local schema mappings, implementing converters, and managing migrations requires significant boilerplate code, increasing initial setup time.
Schema validation and additional processing layers introduce latency compared to native JSON functions, making it less suitable for high-throughput applications.