Question

I have inserted some check box values in mysql database using PHP

And in the below image i have fetch the values:

Now i need the o/p like the below image: The values which i inserted in the database should be checked

Hope now its clear.

Thanks in advance..

Answer 1

You should have a table of available options (in this case, something like a cities table), and then a user-to-cities look-up table. Then you can loop over the cities, but also fetch which cities the user has checked.

A sample, without knowing your database structure, would be as follows:

$uid = $_SESSION['user']['id']; // your logged in user's ID

$cities = array();

// get an array of cities
$sql = "SELECT id, name FROM cities";
$res = mysql_query($sql);
while ($row = mysql_fetch_object($res)) {
    $cities[$row->id] = $row->name;
}

// get an array of cities user has checked
$sql = "SELECT DISTINCT city_id FROM users_cities WHERE user_id = '$uid'";
$res = mysql_query($sql);
while ($row = mysql_fetch_object($res)) {
    $checked[] = $row->city_id;
}

// this would be templated in a real world situation
foreach ($cities as $id => $name) {
    $checked = "";
    // check box if user has selected this city
    if (in_array($checked, $id)) {
        $checked = 'checked="checked" ';
    }
    echo '<input type="checkbox" name="city[]" value="'.$id.'" '.$checked.'/>';
}