if ($PHONE) {							   
$CHECK_PHONE = $DBH->prepare("SELECT COUNT(*) FROM tbl1 WHERE PHONE = ?");
$CHECK_EMAIL->execute($PHONE);
$P = $CHECK_PHONE->fetchrow_arrayref();

   if($E->[0]) {
   $error_phone = "phone exits";
}

$CHECK_ID_NUMBER = $DBH->prepare("SELECT COUNT(*) FROM tbl1 WHERE ID_NUMBER = ?");
$CHECK_ID_NUMBER->execute($ID_NUMBER);
$ID = $CHECK_ID_NUMBER->fetchrow_arrayref();

   if($ID->[0]) {
   $error_phone = "id exits";
 } 
 }