How to format a json response in php?

@gilbert 

To format a JSON response in PHP, you can use the json_encode() function. Here's an example:

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// Create a PHP array
$data = array(
    'name' => 'John Doe',
    'age' => 30,
    'email' => '[email protected]'
);

// Convert the array to JSON format
$jsonData = json_encode($data);

// Set the content type header to application/json
header('Content-Type: application/json');

// Output the formatted JSON response
echo $jsonData;

In this example, we first create a PHP array $data containing the data we want to encode in JSON format. Then, we use the json_encode() function to encode the array into a JSON string.

Next, we set the response's content type header to application/json using the header() function. This tells the client (e.g., a web browser) that the response is in JSON format.

Finally, we output the formatted JSON response using the echo statement. The client will receive this response as a JSON string.

Remember to include the header() function before any output (including spaces and new lines), as headers must be sent before any actual response data.