PHP program to convert an associated array into JSON format

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<?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}
 

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