classifica

<?php
$servername = "localhost";
$username = "root";
$password = "";
$dbname = "test.duemetri";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}


$sql = "SELECT * FROM votazione";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    // output data of each row
    while($row = $result->fetch_assoc()) {
        $artista = $row["comico"];
		echo $artista."  ";
		$sql = "SELECT * FROM classifica where artista='$artista'";
		$result1 = $conn->query($sql);
		if (empty($result1))
		{
			$sql = "INSERT INTO classifica (artista,totale) VALUES ('$artista',1)";
			if ($conn->query($sql)=== TRUE)
			{
				echo " Creato Record <br>";
			}
			else
			{
				echo "errore ".$sql."<br>".$conn->error." <br>";
			}
		}
		else
		{
			$totale = $row["totale"]+1;
			$id = $row["votoid"];
			$sql = "UPDATE classifica SET artista=$artista, totale=$totale where id=$id";
			if ($conn->query($sql)=== TRUE)
			{
				echo " Aggiornato Record <br>";
			}
			else
			{
				echo "errore ".$sql."<br>".$conn->error." <br>";
			}
		}

    }
} else {
    echo "0 results";
}
$conn->close();
?>