![]() Use the json_encode() function to convert PHP variables to JSON.JSON is a lightweight data-interchange format.Third, create a new Person object and serialize it to JSON data using the json_encode() function.The json_encode() function will use the return value of this method to create JSON data. Second, return an array that consists of name and age properties from the jsonSerialize() method.First, define a Person class that implements the JsonSerializable interface.The JsonSerializable interface has the jsonSerialize() method that specifies the JSON representation of the object.įor example, the following shows how to implement the JsonSerializable interface and use the json_encode() function to serialize the object: name = $name Įcho json_encode($alice) Code language: PHP ( php ) To serialize an object to JSON data, you need to implement the JsonSerializable interface. To convert JSON data to an object of a specific class, you need to manually map the JSON key/value pairs to object properties. ![]() The object is an instance of the stdClass class. In this example, the json_decode() function converts an object in JSON to an object in PHP. The following example shows how to use json_decode() function to convert JSON data to a variable in PHP: string( 5) "Alice" To convert JSON data to a variable in PHP, you use the json_decode() function: json_decode ( string $json, bool| null $associative = null, int $depth = 512, int $flags = 0 ) : mixed Code language: PHP ( php ) In practice, you would select data from a database and use the json_encode() function to convert it to the JSON data. Header( 'Content-type:application/json') Įcho json_encode($person) Code language: PHP ( php ) The following example uses the json_encode() function to convert an indexed array in PHP to JSON format: 'Alice', To get a JSON representation of a variable, you use the json_encode() function: json_encode ( mixed $value, int $flags = 0, int $depth = 512 ) : string| false Code language: PHP ( php ) Converting PHP variables to JSON using json_encode() function ![]() Since the JSON extension comes with PHP installation by default, you don’t need to do any extra configuration to make it works. The JSON extension provides you with some handy functions that convert data from PHP to JSON format and vice versa. PHP natively supports JSON via the JSON extension. Even though JSON syntax derives from JavaScript, it’s designed to be language-independent. The JSON format is human-readable and easy for computers to parse. They’re equivalent to indexed arrays in PHP. An ordered list of values called arrays.JSON objects are equivalent to associative arrays in PHP. A collection of name/value pairs called JSON objects.JSON is designed as a lightweight data-interchange format. JSON stands for JavaScript Object Notation. Summary: in this tutorial, you will learn how to convert data in PHP to JSON data and vice versa using the PHP JSON extension.
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