<form id="custform" action="updatemidfielder.php" method="post">
    <input type="hidden" id="playerid" name="playerid" value="<?php echo $playerid?>">
    <div class="row">
        <div class="col-md-6 mb-3">
            <label for="desc">Description</label>
            <input type="text" class="form-control" id="desc" name="desc" 
                   placeholder="Enter Description" value="<?php echo $description?>" 
                   required="true">
        </div>
    </div>

    <div class="row">
        <div class="col-md-4">
            <?php if ($playerid == 0)  {?>
                <input class="btn btn-success" type="submit" value="Create">
            <?php  } else {?>
                <input class="btn btn-success" type="submit" value="Update">
            <?php } ?>
            <input class="btn btn-warning" type="submit" onclick="form.action='index.php'" 
                   value="Cancel" formnovalidate>
        </div>					
    </div>	
</form>