How can the PHP code be modified to achieve the desired output format for the "jokeCategories" array?

The issue with the current PHP code is that the "jokeCategories" array is being created as an associative array with keys that are not sequential integers, which causes the JSON output to be an object instead of an array. To achieve the desired output format where "jokeCategories" is an array of strings, we can simply remove the keys from the array and only include the values. 

<?php
$jokeCategories = array("Miscellaneous", "Pun", "Programming", "Dad Joke");
echo json_encode(array("jokeCategories" => $jokeCategories));
?>

Keywords

PHP array modification output format code.

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