php sql query mysqli while fetch array code example

Example: $query = mysqli_query($con, $sql); while ($row = mysqli_fetch_array($query))

session_start();
require_once "connect_to_mysql.php"; // where i store username and password to access    my db.

$sqlCommand = "SELECT * property FROM portal"; // dbname: portal - table: propery
$query = mysqli_query($myConnection, $sqlCommand);

$Displayproperty = '';
while ($row = mysqli_fetch_array($query))
$id = $row["pid"];
$title = $row["ptitle"];
$area = $row["parea"];
$city = $row["pcity"];
$Displayproperty .= '<table width="500" border="0" cellspacing="0" cellpadding="1">
<tr>
<td>' . $id . '</td>
<td>' . $title . '</td>
<td>' . $area . '</td>
<td>' . $city . '</td>
<td><a href="forms.php?pid=' . $id . '">Upload images</a><br /></td>
</tr>
</table>';