<?php $data = json_decode(file_get_contents('data.json')); // Validate $validator = new JsonSchema\Validator; $validator->validate($data, (object)['$ref' => 'file://' . realpath('schema.json')]); if ($validator->isValid()) { echo "The supplied JSON validates against the schema.\n"; } else { echo "JSON does not validate. Violations:\n"; foreach ($validator->getErrors() as $error) { printf("[%s] %s\n", $error['property'], $error['message']); } }

<?php use JsonSchema\SchemaStorage; use JsonSchema\Validator; use JsonSchema\Constraints\Factory; use JsonSchema\Constraints\Constraint; $request = (object)[ 'processRefund'=>"true", 'refundAmount'=>"17" ]; $validator->validate( $request, (object) [ "type"=>"object", "properties"=>(object)[ "processRefund"=>(object)[ "type"=>"boolean" ], "refundAmount"=>(object)[ "type"=>"number" ] ] ], Constraint::CHECK_MODE_COERCE_TYPES ); // validates! is_bool($request->processRefund); // true is_int($request->refundAmount); // true

$validator->coerce($request, $schema); // equivalent to $validator->validate($data, $schema, Constraint::CHECK_MODE_COERCE_TYPES);

<?php use JsonSchema\Validator; use JsonSchema\Constraints\Constraint; $request = (object)[ 'refundAmount'=>17 ]; $validator = new Validator(); $validator->validate( $request, (object)[ "type"=>"object", "properties"=>(object)[ "processRefund"=>(object)[ "type"=>"boolean", "default"=>true ] ] ], Constraint::CHECK_MODE_APPLY_DEFAULTS ); //validates, and sets defaults for missing properties is_bool($request->processRefund); // true $request->processRefund; // true

<?php use JsonSchema\SchemaStorage; use JsonSchema\Validator; use JsonSchema\Constraints\Factory; $jsonSchema = <<<'JSON' {  "type": "object",  "properties": {  "data": {  "oneOf": [  { "$ref": "#/definitions/integerData" },  { "$ref": "#/definitions/stringData" }  ]  }  },  "required": ["data"],  "definitions": {  "integerData" : {  "type": "integer",  "minimum" : 0  },  "stringData" : {  "type": "string"  }  } } JSON; // Schema must be decoded before it can be used for validation $jsonSchemaObject = json_decode($jsonSchema); // The SchemaStorage can resolve references, loading additional schemas from file as needed, etc. $schemaStorage = new SchemaStorage(); // This does two things: // 1) Mutates $jsonSchemaObject to normalize the references (to file://mySchema#/definitions/integerData, etc) // 2) Tells $schemaStorage that references to file://mySchema... should be resolved by looking in $jsonSchemaObject $schemaStorage->addSchema('file://mySchema', $jsonSchemaObject); // Provide $schemaStorage to the Validator so that references can be resolved during validation $jsonValidator = new Validator(new Factory($schemaStorage)); // JSON must be decoded before it can be validated $jsonToValidateObject = json_decode('{"data":123}'); // Do validation (use isValid() and getErrors() to check the result) $jsonValidator->validate($jsonToValidateObject, $jsonSchemaObject);