PHP program to demonstrate the json_encode() function with indexed array of strings

Program/Source Code:

The source code to demonstrate the json_encode() function with an indexed array of strings is given below. The given program is compiled and executed successfully.

<?php
//PHP program to demonstrate the json_encode() 
//function with indexed array of strings.
$Countries = array(
    "INDIA",
    "AUSTRALIA",
    "USA",
    "RUSSIA"
);
$jsonStr = json_encode($Countries);
printf("Result: %s<br>", $jsonStr);
?>

Output:

Result: ["INDIA","AUSTRALIA","USA","RUSSIA"]

Explanation:

Here, we created an indexed array that contains the name of countries. Here, we used library function json_encode() that will convert the indexed array into a JSON string and assigned to the variable $jsonStr. After that we printed the $jsonStr on webpage using printf() function.