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<?php
require_once('connection.php');
$distReq = $_GET['DistReq'];
$latitudeCurr = $_GET['Latitude'];
$longitudeCurr = $_GET['Longitude'];
$sql = "SELECT * FROM tblDonor WHERE Status=0";
$result = mysqli_query($connection, $sql);
date_default_timezone_set("Asia/Kolkata");
$currentDateWithoutTime = date("Y-m-d");
if ($result->num_rows > 0)
{
$rows = Array();
while($row = mysqli_fetch_array($result))
{
$dateDB = $row['Date'];
$latitudeDB = $row['Latitude'];
$longitudeDB = $row['Longitude'];
$dateWithoutTimeDB = explode(" ", $dateDB)[0];
$distance = getDistanceBetweenPoints($latitudeCurr, $longitudeCurr, $latitudeDB, $longitudeDB);
if ((strcmp($currentDateWithoutTime, $dateWithoutTimeDB) == 0) && ($distance < $distReq))//Equal
{
array_push($rows, $row);
}
}
echo json_encode(array("result"=>$rows));
}
else
{
echo "0 results";
}
function getDistanceBetweenPoints($latitude1, $longitude1, $latitude2, $longitude2)
{
$theta = $longitude1 - $longitude2;
$distance = (sin(deg2rad($latitude1)) * sin(deg2rad($latitude2))) + (cos(deg2rad($latitude1)) * cos(deg2rad($latitude2)) * cos(deg2rad($theta)));
$distance = acos($distance);
$distance = rad2deg($distance);
$distance = $distance * 60 * 1.1515;
$distance = $distance * 1.609344;
return (round($distance, 2));
}
mysqli_close($connection);
?>