How can the code be modified to properly integrate the retrieved username into a file path?

The issue can be solved by concatenating the retrieved username with the file path where the user's data is stored. This way, the file path will include the username dynamically based on the user's input. 

// Retrieve the username from the form input
$username = $_POST['username'];

// Concatenate the username with the file path
$file_path = "data/users/" . $username . ".txt";

// Use the file path to access the user's data
$user_data = file_get_contents($file_path);

// Display the user's data
echo $user_data;

Keywords

PHP file path integration username modification

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