php delete user

Delete a User'; // Check for a valid user ID, through GET or POST: if ( (isset($_GET['id'])) && (is_numeric($_GET['id'])) ) { // From view_users.php $id = $_GET['id']; } elseif ( (isset($_POST['id'])) && (is_numeric($_POST['id'])) ) { // Form submission. $id = $_POST['id']; } else { // No valid ID, kill the script. echo '
This page has been accessed in error.
'; exit(); } require ('c.php'); // Check if the form has been submitted: if ($_SERVER['REQUEST_METHOD'] == 'POST') { if ($_POST['sure'] == 'Yes') { // Delete the record. // Make the query: $q = "DELETE FROM user WHERE user_id=$id LIMIT 1";$r = @mysqli_query ($dbc, $q); if (mysqli_affected_rows($dbc) == 1) { // If it ran OK. // Print a message: echo '
The user has been deleted.
';} else { // If the query did not run OK. echo '
The user could not be deleted due to a system error.
'; // Public message. echo '
' . mysqli_error($dbc) . '
Query: ' . $q . '
'; // Debugging message. } } else { // No confirmation of deletion. echo '
The user has NOT been deleted.
';} } else { // Show the form. // Retrieve the user's information: $q = "SELECT CONCAT(last_name, ', ', first_name) FROM user WHERE user_id=$id"; $r = mysqli_query ($dbc, $q); if (mysqli_num_rows($r) == 1) { // Valid user ID, show the form. // Get the user's information: $row = mysqli_fetch_array ($r, MYSQLI_NUM); // Display the record being deleted: echo "
Name: $row[0]
 Are you sure you want to delete this user?"; // Create the form: echo '
  Yes聽  No   
'; } else { // Not a valid user ID. echo '
This page has been accessed in error.
'; } } // End of the main submission conditional. mysqli_close($dbc); ?>

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