Retrieve MYSQL data edittext and display in listview

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Salam...

I Want to retrieve MYSQL phpmyadmin DB Data and Display it in Listview help of edittext.
Example:-
In DB I Have all Days Name Monday --- to Sunday & Some Colours Red --- to White.
In Android In Edittext When I Write Monday In ListView All Data are Shown Related to Monday
Just Like This its my php code.

connect_error) {
    die("Connection failed: " . $conn->connect_error);
}

$semester_class = $_GET['semester_class'];


$sql = "SELECT username FROM attendance_student WHERE semester_class='{$semester_class}'";
$result = mysqli_query($conn, $sql);

while(($row = mysqli_fetch_assoc($result)) == true){
   	$attendance_student[]=$row;
}
echo json_encode($attendance_student);

Please Help

What I have tried:

I Search Everywhere but can't find

Posted 25-Apr-20 8:04am

Member 14813260

Updated 25-Apr-20 13:12pm

Garth J Lancaster

v2

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MadMyche · Answer 1 · 2020-04-25T08:45:00

For starters; your code is ripe for a vulnerability known as SQL Injection, which was identified well over 20 years ago...
NEVER EVER create an SQL command by string together together command text with user input- there is plenty of documentation on how to do add user content to a query

PHP

$stmt = $mysqli->prepare("SELECT username FROM attendance_student WHERE semester_class=?");
$stmt->bind_param("s", $_POST['name'], $semester_class);
$stmt->execute();
$result = $stmt->get_result();

References:
PHP: Prepared Statements - Manual[^]
PHP MySQLi Prepared Statements Tutorial to Prevent SQL Injection[^]