$mysql_result = mysql_query("SELECT id,id_team,name FROM team");
// $mysql_array = mysql_fetch_array($mysql_result); - лишняя
while($row = mysql_fetch_array($mysql_result)) {
echo '<tr>
<td>'.$row["id"].'</td>
<td>'.$row["id_team"].'</td>
<td>'.$row["name"].'</td>
</tr>';
}
$name = John;
function uzver($name) {
echo "Привет $name";
}