php - TEXT field in MySqli shows "undefined" when we try to add data -

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i try insert data "studentremark" table. has field text data type. when insert data field content shows "undefined". here code" i'm using ajax page processing.

$faculty=$_request['faculty']; $stcode=$_request['stcode']; $rem=$_request['rem']; $date = date('y-m-d'); $sql = "insert studentremark (stcode, tid, rdate, remarks) values (?, ?, ?, ?)"; $query = $mysqli->prepare($sql); $query->bind_param('siss',$stcode, $faculty, $date, $rem); if(!$query->execute()) {     echo("some unknown error occurs, item cannot added."); } else {     echo("student remarks added !!"); }

please help. thank in advance.

try this:

    $sql = "insert studentremark (stcode, tid, rdate, remarks) values (?, ?, ?, ?)";     $query = $mysqli->prepare($sql);     $query->bind_param('siss',$stcode, $faculty, $date, $rem);      $faculty=$_request['faculty'];     $stcode=$_request['stcode'];     $rem=$_request['rem'];     $date = date('y-m-d');      if(!$query->execute()) {         echo("some unknown error occurs, item cannot added.");     } else {         echo("student remarks added !!");     }

check php manual more details.


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