EOT; foreach (mb_str_split(($this->getHits()) . "") as $digit) { $ret .= <<$digit EOT; } $ret .= <<

Have visited this site. EOT; if (!$hasVisited) { $ret .= << This is your first visit tody EOT; } $ret .= <<

EOT; echo $ret; } /* * Implementation */ private function getHits() { $query = " SELECT hits FROM Counter WHERE siteID LIKE :SID"; $stmt = $this->db->prepare($query); $stmt->bindValue(":SID", $this->siteID); $stmt->execute(); $hits = $stmt->fetch(PDO::FETCH_COLUMN); return $hits !== false ? $hits : 0; } private function addHit() { $query = " INSERT INTO Counter(siteID, hits) VALUES (:SID, 1) ON DUPLICATE KEY UPDATE hits = hits + 1"; $stmt = $this->db->prepare($query); $stmt->bindValue(":SID", $this->siteID); $stmt->execute(); } private function addIP() { $query = " INSERT INTO CounterIP(siteID, ip, timestamp) VALUES (:SID, :IP, NOW())"; $stmt = $this->db->prepare($query); $stmt->bindValue(":SID", $this->siteID); $stmt->bindValue(":IP", $_SERVER['REMOTE_ADDR']); $stmt->execute(); } private function cleanupIPs() { $query = " DELETE FROM CounterIP WHERE TIMESTAMPDIFF(DAY, timestamp, NOW()) > 1"; $stmt = $this->db->prepare($query); $stmt->execute(); } private function hasVisited() { $query = " SELECT COUNT(*) FROM CounterIP WHERE siteID = :SID AND ip = :IP AND TIMESTAMPDIFF(DAY, timestamp, NOW()) <= 1"; $stmt = $this->db->prepare($query); $stmt->bindValue(":SID", $this->siteID); $stmt->bindValue(":IP", $_SERVER['REMOTE_ADDR']); $stmt->execute(); $cnt = $stmt->fetch(PDO::FETCH_COLUMN); return $cnt > 0; } }