How can the query() function be modified to return a Result object in PHP?

To modify the query() function to return a Result object in PHP, we can create a custom Result class that encapsulates the query result data and return an instance of this class from the query() function. This allows for better encapsulation and abstraction of the query result, making it easier to work with and manipulate the data. 

class Result {
    private $data;

    public function __construct($data) {
        $this->data = $data;
    }

    public function getData() {
        return $this->data;
    }
}

function query($sql) {
    // Perform the database query and store the result in $result
    // For example:
    $result = mysqli_query($connection, $sql);

    // Process the result data and store it in a variable
    $data = []; // Placeholder for result data

    // Return a Result object with the processed data
    return new Result($data);
}

Keywords

query() Result object modification PHP function

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