What is JSON?
JavaScript Object Notation (JSON) is a standard text format for storing and transmitting data over a network. JSON comes from JavaScript and has a syntax similar to JavaScript but can be used separately from it. JSON is used for client/server communication in mobile and web applications written in many programming languages, including JavaScript, Python, Java, C++, C#, Go, PHP, and many others.
How to decode JSON data in PHP?
To decode JSON string in PHP, you can use the json_decode() function to convert the JSON string to the appropriate PHP data type. The example below shows how to parse or decode a JSON string to a PHP object:
How to encode a PHP object to JSON string?
To encode PHP objects into JSON strings, you can use the json_encode() function. A PHP object can be of any PHP data type, except for a resource such as a database or a file descriptor. The example below shows how to encode a PHP associative array into a JSON string: