json_encode

Definition and usage

The json_encode() function is used to encode values ​​into JSON format.

Example

Example 1

How to encode an associative array into a JSON object:

 <?php
$age = array ( "Bill" => 35 , "Elon" => 37 , "Steve" => 43 ) ;

echo json_encode ( $age ) ;
?>

Run the instance

Example 2

How to encode an index array into a JSON array:

 <?php
$cars = array ( "Volvo" , "BMW" , "Toyota" ) ;

echo json_encode ( $cars ) ;
?>

Run the instance

grammar

 json_encode ( value , options , depth )