<?php
class IPLimit extends Database {
//[..]
 public function check($id) {
        $now    = time();
        $result = $this->getRow($this->table, $this->ip, $this->col_ip);
        if ($result) {
            $last = strtotime($result[$this->col_last_access]);
            if (($last + $this->expiry ) < $now) {
                $this->updateRow($this->table, array(
                    $this->col_last_fileid  => $id,
                    $this->col_access_count => $result[$this->col_access_count] + 1), $this->ip, $this->col_ip);
            } else {
                $this->timeLeft = ( ( $last + $this->expiry) - $now);

                return false;
            }
        } else {
            $this->insertRow($this->table, array(
                $this->col_ip          => $this->ip,
                $this->col_last_fileid => $id
            ));
        }
        return true;
    }
//[..]
}