Лишний пробел при редактировании запись из БД

   if( $_POST['actors'] != "" and $approve ) {
      $actors = array ();
      $_POST['actors'] = explode( ",",$_POST['actors'] );
      foreach ( $_POST['actors'] as $value ) {
         $actors[] = "('". $row ."','". trim( $value ) ."')";
      }
      $actors = implode( ",",$actors );
      $db->query( "INSERT INTO " . PREFIX . "_dop_actors (news_id, actors) VALUES ".$actors );
   }

            if( $_POST['actors'] != $item_db[2] or $approve != $item_db[3] ) {
               $db->query( "DELETE FROM " . PREFIX . "_dop_actors WHERE news_id = '$item_db[0]'" );
               if( $_POST['actors'] != "" and $approve ) {
                  $actors = array ();
                  $_POST['actors'] = explode( ",",$_POST['actors'] );
                  foreach ( $_POST['actors'] as $value ) {
                     $actors[] = "('". $item_db[0] ."','". trim( $value ) ."')";
                  }
                  $actors = implode( ",",$actors );
                  $db->query( "INSERT INTO " . PREFIX . "_dop_actors (news_id, actors) VALUES ".$actors );
               }
            }