In what situations should the die/exit functions be used in PHP when returning JSON data?

The die/exit functions in PHP should be used when you want to stop the execution of the script immediately and return JSON data. This can be useful when you need to return a specific response and prevent any further code from executing. 

// Example of using die/exit functions to return JSON data
$data = array('message' => 'Success');
header('Content-Type: application/json');
echo json_encode($data);
die();

Keywords

die exit PHP JSON data

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