$value){ $query = "SELECT * from book_match where book_vri=? and vol=?"; $Fetch_nsy_book = PDO_FetchRow($query,array($value["book"],$value["page1"])); if($Fetch_nsy_book){ $prefix = $Fetch_nsy_book["table"]; $query = "SELECT * from {$prefix}_pagematch where bookid=? and bookpagenumber=?"; $Fetch_nsy_index = PDO_FetchRow($query,array($Fetch_nsy_book["bookid"],$value["page2"])); $Fetch_nsy_index["dir"]=$prefix; $result["data"][] = $Fetch_nsy_index; } else{ $result["error"]= "error: in table book_match"; } } echo json_encode($result,JSON_UNESCAPED_UNICODE); ?>