Why My else part of the statement is not working?

I have an if statement in my PHP file in which to include a button base on the index from the foreach loop. But I can figure out what is the problem.

I try to echo the list variable immediately after the foreach and it works. And secondly, if statement works but when I try to echo the variable inside the else part nothing shows up (the value of the id which is one in my case).

Here is the code:

<div id="product_attr_box">
       <?php 
       $attrProductLoop=1;
       foreach($attrProduct AS $list) { ?>
       <div class="attr-row" id="attr_<?php echo $attrProductLoop ?>">
                <div class="attr-item">
                <label>Price &#8358;</label><br>
                <input name="price[]" type="text" id="price" placeholder="Enter Product Price" value="<?php echo $list['price'] ?>"/>
                </div>
            
                <div class="attr-item">
                <label>Quantity</label><br>
                <input name="qty[]" type="text" id="qty" placeholder="Enter Product Quantity" value="<?php echo $list['qty'] ?>"/>
                </div>
              
                <div class="attr-item">
                <label>Size</label><br>
                <select name="size_id[]" id="size_id" class="inv-text-inp" value="<?php echo $list['size'] ?>">
               <option value="">Size</option>
               <?php
                                    $sql=mysqli_query($conn,"SELECT id,size FROM size_master ORDER BY order_by ASC");
                                    while($row=mysqli_fetch_assoc($sql)){
                                        if($list['size_id']==$row['id']){
                                            echo "<option value=".$row['id']." selected>".$row['size']."</option>";
                                        }else{
                                            echo "<option value=".$row['id'].">".$row['size']."</option>";
                                        }

                                    }
                                    ?>
               </select>
                </div>
             
                <div class="attr-item">
                <label>Color</label><br>
                <select name="color_id[]" id="color_id" class="inv-text-inp">
               <option value="">Color</option>
               <?php
                                    $sql=mysqli_query($conn,"SELECT id,color FROM color_master ORDER BY color ASC");
                                    while($row=mysqli_fetch_assoc($sql)){
                                        if($list['color_id']==$row['id']){
                                            echo "<option value=".$row['id']." selected>".$row['color']."</option>";
                                        }else{
                                            echo "<option value=".$row['id'].">".$row['color']."</option>";
                                        }

                                    }
                                    ?>
               </select>
                </div>
                <div class="attr-item">
                <label></label><br>
                <?php 
                if($attrProductLoop==1){
                    ?>
                    <button type="button" onclick="add_more_attr()">Add More</button>
                    <?php
                }else{
                  ?>
                  <button type="button" style="background: red" onclick="remove_attr('<?php echo $attrProductLoop?>','<?php echo $list['id']?>')">Remove</button>
                  <?php
                }
                ?>
                </div>

       </div>
       <?php 
       $attrProductLoop++;
       } 
        ?>
       </div>