database-helper-php-delete

function delete($table, $where){
        if(count($where)<=0){
            $response["status"] = "warning";
            $response["message"] = "Delete Failed: At least one condition is required";
        }else{
            try{
                $a = array();
                $w = "";
                foreach ($where as $key => $value) {
                    $w .= " and " .$key. " = :".$key;
                    $a[":".$key] = $value;
                }
                $stmt =  $this->db->prepare("DELETE FROM $table WHERE 1=1 ".$w);
                $stmt->execute($a);
                $affected_rows = $stmt->rowCount();
                if($affected_rows<=0){
                    $response["status"] = "warning";
                    $response["message"] = "No row deleted";
                }else{
                    $response["status"] = "success";
                    $response["message"] = $affected_rows." row(s) deleted from database";
                }
            }catch(PDOException $e){
                $response["status"] = "error";
                $response["message"] = 'Delete Failed: ' .$e->getMessage();
            }
        }
        return $response;
    }