PHP Memcache operation class and usage example, phpmemcache_php tutorial

PHP Memcache operation class and usage example, Phpmemcache

This paper describes the Memcache operation class and usage in PHP. Share to everyone for your reference. The specific analysis is as follows:

Copy CodeThe code is as follows:
<?php
/* 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, $timeout);
if (Emptyempty ($this->memcache)) {
return FALSE;
}else{
return TRUE;
}
}
/**
* Store Value
*
* @param mixed $key
* @param mixed $var
* @param mixed $flag default to 0 uncompressed compression status filled in: 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, $expire);
if (Emptyempty ($f)) {
return FALSE;
}else{
return TRUE;
}
}
/**
* Remove the value of the corresponding key
*
* @param mixed $key
* @param mixed $flags
* $flags If this value is 1 indicates serialization,
* But not compressed, 2 indicates compression and is not serialized,
* 3 indicates compression and serialization, 0 indicates not compressed and serialized
*/
Public function Get ($key, $flags =0) {
$val = @memcache_get ($this->memcache, $key, $flags);
return $val;
}
/**
* Delete the cached key
*
* @param mixed $key
* @param mixed $timeout
*/
Public Function Delete ($key, $timeout =1) {
$flag = @memcache_delete ($this->memcache, $key, $timeout);
return $flag;
}
/**
* Refresh cache but not free memory space
*
*/
Public Function flush () {
Memcache_flush ($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 large-value auto-compression
*
* @param mixed $threshold Unit B
* @param mixed $min _saveings default value is 0.2 = 20% compression rate
*/
Public Function Setcompressthreshold ($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 all server statistics in the server pool
*
* @param mixed $type expected crawl statistics type, values that can be used are {reset, malloc, maps, Cachedump, slabs, items, sizes}
* @param mixed $slabid cachedump command will be fully occupied server is typically used for more stringent tuning
* @param mixed $limit The number of entity bars fetched from the server
*/
Public Function getextendedstats ($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 ()); 
} 
 
? 
 
 
 
 Hopefully this article will help you with your PHP programming. 
 
 
 
http://www.bkjia.com/phpjc/926868.html  www.bkjia.com  true  http://www.bkjia.com/phpjc/926868.html  techarticle  php the Memcache operation class and usages, Phpmemcache This example describes the Memcache operation class and usage in PHP. Share to everyone for your reference. The specific analysis is as follows: Copy code code ...  
 
 