<?php
    require_once('dbconn.php');
    $sql = "SELECT week0_th_0 FROM training_week0";
    $result = $conn->query($sql);
    ob_start();
    if ($result->num_rows > 0) {
        // output data of each row
        while($row = $result->fetch_assoc()) {
            echo
            $row["week0_th_0"];
        }
    } else {
        echo "0 results";
    }
    $echo_week0_th_0 = ob_get_clean();
?>