<?php if (!empty($POST)) {
//ghi vào
$code = "";
foreach ($POST['code'] as $value) {
$code .= "|{$value}";
}
$code = trim($code, "|");
//in ra
$str_exp = explode("|", $code);
foreach ($str_exp as $value) {
echo "mã thẻ: {$value} </br>";
}
}?>
<form class="test" method="POST" action="https://quangit.me/test.php">
Serial <input type="text" name="serial[]" value=""> Mã thẻ <input type="text" name="code[]" value=""> Loại thẻ <select name="telco[]"><option value="viettel">viettel</option><option value="vina">vina</option><option value="mobi">mobi</option></select><br>
Serial <input type="text" name="serial[]" value=""> Mã thẻ <input type="text" name="code[]" value=""> Loại thẻ <select name="telco[]"><option value="viettel">viettel</option><option value="vina">vina</option><option value="mobi">mobi</option></select><br>
Serial <input type="text" name="serial[]" value=""> Mã thẻ <input type="text" name="code[]" value=""> Loại thẻ <select name="telco[]"><option value="viettel">viettel</option><option value="vina">vina</option><option value="mobi">mobi</option></select><br>
<button type="submit" name="submit">Gửi</button>
</form>
