Introduction to the method of uploading json files in PHP (code example)-PHP Tutorial-php.cn

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HTTP: A hypertext transmission protocol. It is a standard protocol for computer-to-computer communication. It is now generally used for end-to-end communication.

1. Agreed content

Request/response message format
Request method GET/POST
Response status 200/404/302/304
Default request/response header

The header function in PHP is used to set the response header

Introduction to the method of uploading json files in PHP (code example)

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Supplement:

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The client browser will automatically Jump to the specified address

JSON
JSON: A means of expressing data similar to js literals

The attribute name in JSON must be Use double quotes
Strings in JSON must use double quotes (js strings can use single quotes)
JSON does not allow comments

JSON data type
null:

null

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string:

"ssq"

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boolean:

ture

number:

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object:

{ "name": "ssq", "age": 12, "gender": ture, "boyfrind": null }

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array:

["张三", "李四", "王五"]

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JSON basic format

var obj = [ {"name": "ss", "age": 12, "email": "ssss", "url": "sssss.com", "images": ["./images/01.jpg"]}, {"name": "ss", "age": 12, "email": "ssss", "url": "sssss.com", "images": ["./images/01.jpg"]}, {"name": "ss", "age": 12, "email": "ssss", "url": "sssss.com", "images": ["./images/01.jpg"]}, {"name": "ss", "age": 12, "email": "ssss", "url": "sssss.com", "images": ["./images/01.jpg"]}, {"name": "ss", "age": 12, "email": "ssss", "url": "sssss.com", "images": ["./images/01.jpg"]} ]

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JSON conversion

Introduction to the method of uploading json files in PHP (code example)

Deserialize JSON in PHP

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and convert it into the form of object array in PHP
Introduction to the method of uploading json files in PHP (code example)

01Example display

 JSON 格式的字符串 // 把 JSON 格式的字符串转换为对象的过程叫做反序列化 // json_decode 默认反序列化时 将 JSON 中的对象转换为 PHP 中 stdClass 类型的对象 $data = json_decode($contents, true); // $data => [] ?>     音乐列表  
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Rendering

Introduction to the method of uploading json files in PHP (code example)

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