$rand_keys = array_rand($daty, 2);
$random_data = $daty[$rand_keys[0]] ;


$sql2= 'SELECT count(*) as total from tab where
Date="'.$random_data.'"';
$result12 = mysqli_query( $conn, $sql2 );
$row12 = $result12->fetch_assoc();

if($row12>0){
$sql1 = 'select * from premier1718 where Date="'.$random_data.'"';
$result1 = mysqli_query( $conn, $sql1 );
while($row1 = $result1->fetch_assoc()){
echo $row1["HomeTeam"]." ".$row1["AwayTeam"]."</br>";
}