php使用JSON

**JSON: JavaScript Object Notation(JavaScript 对象表示法)
JSON 是存储和交换文本信息的语法。类似 XML。
JSON 比 XML 更小、更快,更易解析。**

1. "名称/值"对的集合 不同语言中,它被理解为对象(object),记录(record),结构(struct),
字典(dictionary),哈希表(hash table),键列表(keyed list)等
    { "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" } 



2. 值的有序列表 多数语言中被理解为数组(array)
  { "people": [ 

  { "firstName": "Brett", "lastName":"McLaughlin", "email": "aaaa" }, 

  { "firstName": "Jason", "lastName":"Hunter", "email": "bbbb"}, 

  { "firstName": "Elliotte", "lastName":"Harold", "email": "cccc" } 

  ]} 

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编码:string json_encode ( $value [, $options = 0 ] )
解码:json_decode ($json_string [,$assoc = false [, $depth = 512 [, $options = 0 ]]])

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转载自blog.csdn.net/LemonsDemoZ/article/details/81349509