How can the user modify their code to include a specific key for the date in the desired JSON structure?

To include a specific key for the date in the desired JSON structure, the user can modify their code to create an associative array with the desired key for the date and then encode it to JSON format. They can use the `date()` function in PHP to get the current date and time in the desired format and assign it to the specific key in the array before encoding it to JSON. 

// Create an associative array with the desired key for the date
$data = array(
    'date' => date('Y-m-d H:i:s'),
    'key1' => 'value1',
    'key2' => 'value2'
);

// Encode the array to JSON format
$json = json_encode($data);

// Output the JSON data
echo $json;

Keywords

PHP JSON key date structure

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