问当提交到数据库时，在php中循环复选框

EN

function MakeProfessionlist(){
    $result = LoadListProffesion();
    $i = 0;
    echo '<table class="Overview">';
    while($row = mysqli_fetch_array($result)){
        $i++;
        if(($i % 2) == 0){
            echo "<td class='small'><td><input id='achievementHidden'  type='hidden' value='0' name='IsChecked[]'>";
            echo "<input type='checkbox' id='achievement' name='IsChecked[]' value = '1'>";
            echo "<input name='AchievementId[]' type='hidden' value='".$row['AchievementId']."'></td>";
            echo "<td class='big'>".$row["AchievementName"]."</td></tr>";
        }else{
            echo "<tr><td class='small'><input id='achievementHidden'  type='hidden' value='0' name='IsChecked[]'>";
            echo "<input type='checkbox'id='achievement' name='IsChecked[]' value = '1'>" ;
            echo "<input name='AchievementId[]' type='hidden' value='".$row['AchievementId']."'></td>";
            echo "<td class='big'>".$row["AchievementName"]."</td>";
            }
    }
    echo '</table>';
}

if(isset($_POST['AchievementSaveData']))
    {
    // print_r($_POST);
    $checkbox = isset($_POST['IsChecked']) ? $_POST['IsChecked'] : array();
    $Achievement = isset($_POST['AchievementId']) ? $_POST['AchievementId'] : array();
    foreach (array_combine($checkbox, $Achievement) as $IsChecked => $AchievementId){       
        $sql="SELECT * FROM Achievement_User WHERE UserId='".$UserId."' AND AchievementId ='".$AchievementId."'" ;
        $result=mysqli_query($sql); 
        $count=mysqli_num_rows($result);    

        if ($count==1){
            echo 'Update datarow with UserID '.$UserId.', AchievementId '. $AchievementId.' and with a value of '.$IsChecked;' <br>';
            }
        else{
            echo 'Create datarow with UserID '.$UserId.', AchievementId '. $AchievementId.' and with a value of '.$IsChecked.' <br>';
        }
    }
}