JSON Validation against JSON Schema

Question

I'm trying to validate JSON object against my given schema.

JSON data are as follows:

{
"list": {
    "places": [
        {
            "name": "Loopsiloo",
            "foursquareID": "54a6s5D4a6s5d4a6s5D4",
            "lat": 26.6546845354889,
            "lon": -99.6846873700158
        },
        {
            "name": "Loopsiloo",
            "foursquareID": "54a6s5D4a6s5d4a6s5D4",
        }
    ],
    "title": "Foo Bar",
    "dateCreated": "2013-01-29T14: 19: 30Z"
}

JSON Schema is as follows:

{
"type":"object",
"$schema": "http://json-schema.org/draft-03/schema",
"required":true,
"properties":{
    "list": {
        "type":"object",
        "id": "list",
        "required":true,
        "properties":{
            "dateCreated": {
                "type":"string",
                "id": "dateCreated",
                "required":true
            },
            "places": {
                "type":"array",
                "minitems": "1",
                "id": "places",
                "required":true,
                "items":
                {
                    "type":"object",
                    "required":true,
                    "properties":{
                        "note": {
                            "type":"string",
                            "id": "note",
                            "required":false
                        },
                        "foursquareID": {
                            "type":"string",
                            "id": "foursquareID",
                            "required":true
                        },
                        "lat": {
                            "type":"number",
                            "id": "lat",
                            "required":true
                        },
                        "lon": {
                            "type":"number",
                            "id": "lon",
                            "required":true
                        },
                        "name": {
                            "type":"string",
                            "id": "name",
                            "required":true
                        }
                    }
                }


            },
            "title": {
                "type":"string",
                "id": "title",
                "required":true
            }
        }
    }
}

}

I am validating this JSON using JsonSchema\Validator in PHP.

$validator = new JsonSchema\Validator;
$validator->check($data, file_get_contents(__DIR__ . '/../model/api-schema.json'));

My problem is that the validator validates JSON object as correct every time. In the example at the top there are properties "lat" and "lon" missing. Even if I omit whole "places", "title" or "dateCreated" property it is validated as correct.

Is there something I'm missing? I went through documentation of JSON schema, but nothing that could help me.

Which version of the schema standard does your validation library use? In v4, required is now an array instead of a boolean. — cloudfeet
– cloudfeet, Commented Jul 18, 2013 at 12:42
Does anybody know a good schema4 validator for php. Nothing seems to work correctly. — chris
– chris, Commented Aug 31, 2017 at 9:41

Jindra · Accepted Answer · 2013-10-02 07:37:50Z

1

This is what works for me.

$validator = new JsonSchema\Validator;
$schema = file_get_contents(__DIR__ . '/../model/api-schema.json');
$validator->check(json_decode($data), json_decode($schema));

answered Oct 2, 2013 at 7:37

Jindra

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