delete-all.php

<?php

//include database connection data
include_once "dbconnection.php";

//make a query
$query = "TRUNCATE TABLE toDoList;";

//perform the query on the database
$result = $link -> query($query);

//check if there is any task deleted
if($result->num_rows <= 0) {
  echo "No task was deleted";
}

//close the connection
$link -> close();
?>