trying to create one plugin getting soem issue to submit the array data in wordpress database.

$formDATA gets the array value now issue is when $sql = "INSERT INTO ".$table_name ." (paid_arr) VALUES '".$formDATA."'";

   $result  = $wpdb->insert($table_name,$formDATA);

getting strange warnings and errros not able to insert data in wp DB.

  Warning: array_keys() expects parameter 1 to be array, string given in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1316

 Warning: Invalid argument supplied for foreach() in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1318

  Warning: implode() [function.implode]: Invalid arguments passed in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1327

here is php code;

   $formDATA = array(
 
    'fname' => $fname,
    'lname' => $lname,
     'email' => $paidemail,
     'Phone' => $paidphone,
 'gender' => $gender,
  'hobbies' => $interest,
  'hear' => $city,
  'message' => $message_field,
  'time' => $curtime
 

     );


 

   formsubmitpaid($formDATA);       
 

  function formsubmitpaid($formDATA)
  {
  global $wpdb;
 
   $formDATA = json_encode($formDATA);
 
   $table_name = $wpdb->prefix . "padi_forms";
 
  $sql = "INSERT INTO `".$table_name ."` (`paid_arr`) VALUES '".$formDATA."'";
 
  $result  = $wpdb->insert($table_name,$formDATA);

  if(!$result){
 
   echo '<script>alert("dfdf")</script>';
 
   }
   else{
   echo '<script>alert("No")</script>';

 
    }
   print_r($sql);
   print_r($result);

   } 

trying to create one plugin, getting some issue to submit the array data in wordpress database.

$formDATA gets the array value now issue is when

    $sql = "INSERT INTO `".$table_name ."` (`paid_arr`) VALUES '".$formDATA."'";

   $result  = $wpdb->insert($table_name,$formDATA);

getting strange warnings and errors not able to insert data in wp DB.

  Warning: array_keys() expects parameter 1 to be array, string given in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1316

 Warning: Invalid argument supplied for foreach() in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1318

  Warning: implode() [function.implode]: Invalid arguments passed in /home3/mahesh/public_html/project/lal/wp-includes/wp-db.php on line 1327

here is php code;

$formDATA = array(
    'fname'     => $fname,
    'lname'     => $lname,
    'email'     => $paidemail,
    'Phone'     => $paidphone,
    'gender'    => $gender,
    'hobbies'   => $interest,
    'hear'      => $city,
    'message'   => $message_field,
    'time'      => $curtime
 );

formsubmitpaid($formDATA);       

function formsubmitpaid( $formDATA ) {
 
global $wpdb;
$formDATA = json_encode($formDATA);
$table_name = $wpdb->prefix . "padi_forms";
$sql = "INSERT INTO `".$table_name ."` (`paid_arr`) VALUES '".$formDATA."'";
$result  = $wpdb->insert($table_name,$formDATA);

if( !$result ){
    echo '<script>alert("dfdf")</script>';
} else {
    echo '<script>alert("No")</script>';
 }
print_r($sql);
print_r($result);

}