CS304Prog/deletedoc.php at master · CarolineM/CS304Prog · GitHub

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<?php
//deletes a document with cascades
    session_start();
if ($db_conn=OCILogon("ora_p1t7", "a36959104", "ug")){

    $doc = $_POST['dotodelete'];

   $cmdstr = "delete from document where document_id = '$doc'";

   $parsed = OCIParse($db_conn, $cmdstr);
   if (!$parsed){
      $e = OCIError($db_conn);
      $_SESSION["deldocres"]  = htmlentities($e['message']);
      header("location:settings.php");
      exit;
   }

   $r=OCIExecute($parsed, OCI_DEFAULT);
    if (!$r){
      $e = oci_error($parsed);
      $_SESSION["deldocres"]  = htmlentities($e['message']);
      header("location:settings.php");
      exit;
   }

    OCICommit($db_conn);
   $cmdstr = "select * from document where document_id = '$doc'";

    $parsed = OCIParse($db_conn, $cmdstr);
   if (!$parsed){
      $e = OCIError($db_conn);
      $_SESSION["deldocres"]  = htmlentities($e['message']);
      header("location:settings.php");
      exit;
   }

   $r=OCIExecute($parsed, OCI_DEFAULT);
    if (!$r){
      $e = oci_error($parsed);
      $_SESSION["deldocres"]  = htmlentities($e['message']);
      header("location:settings.php");
      exit;
   }

    $row = OCI_Fetch_Array($parsed, OCI_NUM);
    if (!empty($row)) {
    $_SESSION["deldocres"]  =  "delete didn't work";
   }

   else {
    $_SESSION["deldocres"]  =  "Success!";
    }

    OCILogoff($db_conn);
    header("location:settings.php");


}
else {
  $e = OCIError();
  echo htmlentities($e['message']);
}