how to do base64_encode() for the ios I mean Iphone this the code it shows the image in andriod and pc but doesnt show anything

how to do base64_encode() for the ios I mean Iphone this the code

include "connect.php";

$sql ="SELECT id, imagetype, BookPic, BookName, PayPal, BookPDF FROM `textsource` .`addbooks`";

$result = $connect->query($sql);

if($result->num_rows>0){

echo "

";

while($row = $result->fetch_assoc()){

$image = "data:image/jpeg; charset-utf8; base64,"; $opencode = base64_encode($row['BookPic']); echo "

".$row['BookName']." 10 CAD

".$row['PayPal']."

";

}

echo "

";

}

?>

it shows the image in andriod and pc but doesnt show anything in iphone .

Please help me with the code which should work for all browser and devices ASAP