php - Error Index undefined when i try send from android to mysql database -


so made menu send data android mysql database, when press send button error come, here php code(addkomen.php)

<?php  if($_server['request_method']=='post'){      //getting values     $nama = $_post['nama'];     $email = $_post['email'];     $isi = $_post['isi'];      //creating sql query     $sql = "insert email (nama,email,isi) values ('$nama','$email','$isi')";      //importing our db connection script     require_once('dbconnect.php');      //executing query database     if(mysqli_query($con,$sql)){         echo 'added successfully';     }else{         echo 'could not add';     }      //closing database      mysqli_close($con); }

?>

so problem in android code, because type different variable answer , problem in android code. best regards

you not posting data correctly, , resolve undefined index: nama use isset() check whether index trying exist or not like: 

if( isset( $_post['nama'] ) ) {     // block execute if nama have value in it. }

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