What function in PHP can be used to decode JSON data retrieved from a database?

To decode JSON data retrieved from a database in PHP, you can use the `json_decode()` function. This function takes a JSON string as input and converts it into a PHP variable. This allows you to work with the data in an array or object format within your PHP code. 

// Assuming $jsonString contains the JSON data retrieved from the database
$data = json_decode($jsonString, true);

// Access the decoded data as an array
echo $data['key'];

Keywords

PHP JSON decode database data

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