<?php
require( '../connect_db.php' ) ;
$query = $dbc->query('SELECT * FROM customer');
while($row = $query->fetch(PDO::FETCH_ASSOC)) {
echo $row['clientid'].' '.$row['inital'].' '.$row['firstname'].' '.$row['lastname'].' '.$row['mobile'].' '.$row['landline'].' '.$row['email'].' '.$row['address'].' '.$row['postcode'].' '.$row['accessibility'];
}
?>
しかし、致命的なエラーが発生します: 13 行目の list_customer.php の undefined method mysqli_result::fetch() への呼び出し