MySQLiでSELECT文

MySQLiでSELECT文

■データ
+--+------+
| id | price |
+--+------+
| 1 |   500 |
| 2 |   300 |
+--+------+

■ソース
$mysqli = new mysqli($dbhost, $dbuser, $dbpass, $dbname);
$mysqli->set_charset('utf8');

$sql = '
SELECT *
FROM table
';
$row = $mysqli->query($sql);
if (!$row) {
error_log("[SQL error]\n" . __LINE__ . "行目\n" . $sql . "\n" . $mysqli->error . "\n" . $_SERVER[’PHP_SELF’] . "\n" . date("Y/m/d H:i:s") . "\n---------------\n\n", 3, "./logs/error.log");
}
while ($rs = $row->fetch_array(MYSQLI_ASSOC)) {
echo $rs['id'] . '/' . $rs['price'] . '<br />';
}