How to use Memcache operation class in PHP_PHP tutorial-PHP Tutorial-php.cn

How to use Memcache operation class in PHP_PHP tutorial

WBOY

Release： 2016-07-13 17:06:05

Original

886 people have browsed it

This article introduces an example program for using Memcache in PHP. Friends in need can refer to it.

The code is as follows

Copy code

/* author:Auguman(lyc)
/* email: jar-c@163.com
/* Memory cache management
*/
class Yc_Memcache{
private $memcache=null;

public function __construct(){
}
/**
* Connect to database
*
* @param mixed $host
* @param mixed $port
* @param mixed $timeout
*/
public function connect($host,$port=11211,$timeout=1){
if(!function_exists(memcache_connect)){ return FALSE;}
$this->memcache=@memcache_connect($host,$port,$timeout);
if(empty($this->memcache)){
Return FALSE;
}else{
Return TRUE;
}
}
/**
*Storage value
*
* @param mixed $key
* @param mixed $var
* @param mixed $flag The default is 0, no compression. Fill in the compression status: MEMCACHE_COMPRESSED
* @param mixed $expire Default cache time (in seconds)
*/
public function set($key,$var,$flag=0,$expire=10){

$f=@memcache_set($this->memcache,$key,$var,$flag,$expire);
if(empty($f)){
Return FALSE;
}else{
Return TRUE;
}
}
/**
* Get the value of the corresponding key
*
* @param mixed $key
* @param mixed $flags
* $flags If this value is 1, it means serialization,
* but not compressed, 2 indicates compression without serialization,
* 3 indicates compression and serialization, 0 indicates no compression and serialization
*/
public function get($key,$flags=0){
$val=@memcache_get($this->memcache,$key,$flags);
return $val;
}
/**
* Delete cached key
*
* @param mixed $key
* @param mixed $timeout
*/
public function delete($key,$timeout=1){
$flag=@memcache_delete($this->memcache,$key,$timeout);
return $flag;
}
/**
* Refresh cache without releasing memory space
*
*/
public function flush(){
memcache_flush($this->memcache);
}
/**
* Close memory connection
*
*/
public function close(){
memcache_close($this->memcache);
}
/**
* Replace the value of the corresponding key
*
* @param mixed $key
* @param mixed $var
* @param mixed $flag
* @param mixed $expire
*/
public function replace($key,$var,$flag=0,$expire=1){
$f=memcache_replace($this->memcache,$key,$var,$flag,$expire);
return $f;
}
/**
* Turn on automatic compression for large values
*
* @param mixed $threshold unit b
* @param mixed $min_saveings The default value is 0.2, which means 20% compression rate
*/
public function setCompressThreshold($threshold,$min_saveings=0.2){
$f=@memcache_set_compress_threshold($this->memcache,$threshold,$min_saveings);
return $f;
}
/**
* Used to get the online/offline status of a server
*
    * @param mixed $host
    * @param mixed $port
    */
public function getServerStatus($host,$port=11211){
$re=memcache_get_server_status($this->memcache,$host,$port);
return $re;
}
    /**
* * Cache statistics of all servers in the server pool
*
* @param mixed $type The type of statistical information expected to be captured. The values that can be used are {reset, malloc, maps, cachedump, slabs, items, sizes}
* @param mixed $slabid The cachedump command will completely occupy the server and is usually used for stricter tuning
* @param mixed $limit The number of entities obtained from the server
*/
public function getExtendedStats($type='',$slabid=0,$limit=100){
$re=memcache_get_extended_stats($this->memcache,$type,$slabid,$limit);
return $re;
}
}

/***********TEST AREA*************************/
$mem=new Yc_Memcache();

$f=$mem->connect('125.64.41.138',12000);
var_dump($f);
if($f){
// $mem->setCompressThreshold(2000,0.2);
$mem->set('key','hello',0,30);
//        var_dump($mem->delete('key1'));
// $mem->flush();
// var_dump($mem->replace('hao','d'));
// echo $mem->get('key');
echo $mem->getServerStatus('127.0.0.1',12000);
echo $mem->get('key');
echo '

'; 

 print_r($mem->getExtendedStats()); 

} 

  

?>