php memcache緩存
阿新 • • 發佈:2018-07-21
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<?php phpinfo(); header("Content-type: text/html; charset=utf-8"); $db = new mysqli("localhost","root","","ceshi"); $mem = new Memcache; $mflag = $mem->connect("localhost", 11211); //var_dump($db); $sql = "select * from student"; $a = query_memcache($sql); //var_dump($a);function query_memcache($sql,$type=‘‘){ global $mem; global $db; $key = md5($sql); if(!($value = $mem->get($key))){ //Cache中沒有,則從MySQL中查詢 $result = $db->query($sql); while($reattr = $result->fetch_assoc()){ $attr[] = $reattr; } $value = $attr; //將Key和Value寫入MemCache $mem->set($key,$value,0,time()+30);//set(key,value,過期時間/單位秒); } return $value; } ?>
php memcache緩存