json-schema-php

• 授权协议: GPL
• 开发语言: PHP
• 操作系统: 跨平台
• 软件首页: http://code.google.com/p/json-schema-php/
• 软件文档: http://code.google.com/p/json-schema-php/

软件介绍

JSON Schema 用于描述JSON数据的结构和类型。如同DTD与XML的关系。

本实现用于使用 PHP 调用 JSON Schema 对 JSON 数据进行验证。

生成 JSON Schema

由JSON生成一个全格式的Schema，方便编辑修改（勿随便直接使用在实践中）。

$value = new stdClass();
$value->name = 'a name';
$value->age = 23;
$value->height = 183.5;
$jsonSchema = new JsonSchema(json_encode($value));
echo $jsonSchema->getSchema();

结果（真实结果格式化后）

{
   "type":"object",
   "properties":{
      "name":{
         "type":"string",
         "format":"regex",
         "pattern":"\/^[a-z0-9]+$\/i",
         "minLength":0,
         "maxLength":2147483647
      },
      "age":{
         "type":"integer",
         "default":0,
         "minimum":0,
         "maximum":2147483647,
         "exclusiveMinimum":0,
         "exclusiveMaximum":2147483647
      },
      "height":{
         "type":"number",
         "default":0,
         "minimum":0,
         "maximum":2147483647,
         "exclusiveMinimum":0,
         "exclusiveMaximum":2147483647
      }
   }
}

使用 JSON Schema 验证 JSON

$userType = '
     {
        "id": "user",
        "description": "user info",
        "type": "object",
        "properties": {
            "account": {"type": "string"},
            "email": {"type": "string", "required": true},
            "noexist": {"type": "string", "required": false}
        }
    }';

$type = array();
$type['users'][] = array('account' => 'userA', 'email' => 'userA@example.com');
$type['users'][] = array('account' => 'userB', 'email' => 'userB@example.com');
$type['users'][] = array('account' => 'userC', 'email' => 'userC@example.com');
$jsonSchema = new JsonSchema(json_encode($type));
$jsonSchema->addTypes($userType);

$jsonSchema->validate('
    {
       "type":"object",
       "properties":{
          "users":{
             "type":"array",
             "items":{
                "$ref":"user"
             }
          }
       }
    }');

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