codice:
$conn = new mysqli($servername, $username, $password, $dbname);




$sql="SELECT tec_a.targa AS tg, tec_a.km_tot_contratto, tec_a.filiale, tec_a.stato, tec_p.data_inserimento, tec_a.mesi
FROM tec_a
INNER JOIN tec_p 
ON tec_a.targa = tec_p.targa GROUP BY tec_a.targa
WHERE tec_a.filiale='rm' AND tec_a.stato = 'IN CARICO' AND tec_p.data_inserimento >= '2023-04-01' AND tec_p.data_inserimento <= '2023-04-15' 
";




                      


$result = $conn->query($sql);
//display data on web page
if ($result->num_rows > 0) {
while($row = mysqli_fetch_array($result)){
    echo " ----- Targa : ". $row['tg'] , " ----- mesi : " . $row['mesi'], " ----- mesi : " . $row['data_inserimento'];
    echo "<br>";
      
}
} else {
 if ($conn -> connect_errno) {
  echo "Failed to connect to MySQL: " . $conn -> connect_error;
  exit();
}
}