1. Go to this page and download the library: Download kaizer666/json-schema library. Choose the download type require.
2. Extract the ZIP file and open the index.php.
3. Add this code to the index.php.
<?php
require_once('vendor/autoload.php');
/* Start to develop here. Best regards https://php-download.com/ */
kaizer666 / json-schema example snippets
$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) {
echo sprintf("[%s] %s\n", $error['property'], $error['message']);
}
}
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);
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
use JsonSchema\SchemaStorage;
use JsonSchema\Validator;
use JsonSchema\Constraints\Factory;
$jsonSchema = <<<'JSON'
{
"type": "object",
"properties": {
"data": {
"oneOf": [
{ "$ref": "#/definitions/integerData" },
{ "$ref": "#/definitions/stringData" }
]
}
},
" 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);
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