Проблема с выводом из базы данных

<?php 
include 'connect.php'; 
$query = mysqli_query ($db,"select * from goods"); 
while ($tovar = mysqli_fetch_array($query)) 
{ 
echo " <style> 
div { 
margin-top: 8px; 
} 
</style> 
<div class='col-md-3 col-lg-3 col-sm-6'> 
<div class='card'> 
 
<div class='view overlay'> 
<img src='{$tovar['pic']}' class='card-img-top'> 
<a> 
<div class='mask rgba-white-slight'></div> 
</a> 
</div> 
 
<div class='card-body text-center'> 
<a href='#' class='grey-text'> 
<h5>Арт.{$tovar['id']}</h5> 
</a> 
<h5> 
<strong> 
<a href='' class='dark-grey-text'>{$tovar['name']} 
</a> 
</strong> 
</h5> 
 
<h4 class='font-weight-bold blue-text'> 
<strong>{$tovar['price']} Руб.</strong> 
</h4> 
<h3 class='font-weight-normal'> 
 
<button type='button' class='btn btn-blue-grey' data-toggle='modal' data-target='#modalCart'><i class='fas fa-shopping-cart'></i></button> 
 
 
<button type='button' class='btn btn-green' data-toggle='modal' data-target='#exampleModalPreview'> 
<i class='far fa-caret-square-down'></i></button> 
</button> 
 
<div class='modal fade right' tabindex='-1' role='dialog' aria-labelledby='exampleModalPreviewLabel' aria-hidden='true'> 
<div class='modal-dialog' role='document'> 
<div class='modal-content'> 
<div class='modal-header'> 
<h5 class='modal-title'>Modal title</h5> 
<button type='button' class='close' data-dismiss='modal' aria-label='Close'> 
<span aria-hidden='true'>&times;</span> 
</button> 
</div> 
<div class='modal-body'> 
 
<div class='col-12'> 
 
<h6><p class='text-dark'>{$tovar['more']}</p></h6> 
 
 
</div> 
</div> 
<div class='modal-footer'> 
<button type='button' class='btn btn-danger' data-dismiss='modal'>Закрыть</button> 
<button type='button' class='btn btn-elegant'>Добавить в корзину</button> 
</div> 
</div> 
</div> 
</div> 
 
 
</h3> 
 
</div> 
</div> 
 
</div>"; 
} 
?>

print_r($tovar) ;

print_r($tovar) ;

echo $tovar['more']. '<br>' ;

<?php 
include 'connect.php'; 
$query = mysqli_query ($db,"select * from goods"); 
while ($tovar = mysqli_fetch_array($query)) 
{ 
  echo sprintf("id = %s, more = %s<br>", $tovar['id'], $tovar['more']);
} 
?>