show user account in php crud -


i'm building php/sql crud.
sql query select: user = user id not working... sql statement use show users account info? 

$stmt = $pdo->prepare($sql);   $stmt->execute();   $users = $stmt->fetchall(pdo::fetch_assoc);    foreach ($users $user) {     echo '<tr>';     echo '<td>';     echo $user['id'];     echo '</td>';     echo '<td>';     echo $user['username'];     echo '</td>';      echo '<td>';     echo '<a href="detail.php?id=';     echo $user['id'];     echo '">';     echo 'detail';     echo '</a> ';     echo '<a href="bewerk.php?id=';     echo $user['id'];     echo '">';     echo 'bewerk';     echo '</a> ';     echo '<a href="delete.php?id=';     echo $user['id'];     echo '">';     echo 'delete';     echo '</a>';     echo '</td>';     echo '</tr>';   }  ?>


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