JSON Schema PHP Validator

JSON Schema

JSON Schema is a specification for a JSON-based format for defining the structure of JSON data. JSON Schema provides a contract for what JSON data is required for a given application and how it can be modified, much like what XML Schema provides for XML. JSON Schema is intended to provide validation, documentation, and interaction control of JSON data. - http://code.google.com/p/jsonschema/

JSON Schema Validator for PHP

Json schema validator in php. It is a PHP class that validates a json data structure against a schema definition. It is a simple class that returns an object containing the result and errors that happened. - http://sourceforge.net/projects/jsonschemaphpv/

Usage Example

$schema = json_decode('{ type : "object", properties : { a : { type : "string" }} }');
$json = json_decode('{ a : 1 }');

$result = JsonSchema::validate(
    $json,
    $schema
);

if (!$result->valid) {
    echo "Errors: \n";
    print_r($result->errors);
}