Q:

PHP program to convert an associated array into JSON format

belongs to collection: PHP JSON Programs

mahmoud2506
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2022-05-26
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Here, we will create an associative array that contains the Id's and we will convert the array into JSON format using json_encode() function.

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mahmoud2506
2022-05-26
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Program/Source Code:

The source code to convert an associated array into JSON format is given below. The given program is compiled and executed successfully.

<?php
//PHP program to convert an associated array
//into JSON format.
$Ids = array(
    'Id1' => 101,
    'Id2' => 102,
    'Id3' => 103,
    'Id4' => 104
);
$jsonStr = json_encode($Ids);
printf("Json String is: %s<br>", $jsonStr);
?>

Output:

Json String is: {"Id1":101,"Id2":102,"Id3":103,"Id4":104}

Explanation:

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

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