PHP operation Memcache Caching method sharing _php instance

The premise of using Memcache is to configure the Memcahche environment first in the service side! Verify that the MEMCAHCE can be connected properly after the program is used!

<?php/** * Memcache Cache operation * @author HXM * @version 1.0 * @since 2015.05.04/class Mcache extends Object implemen  TS Cacheface {private $mem = null;//mem Object Private $sId = 1; Servier Service ID/** * Initialization memcache * * @return Object */Public Function __construct () {if (!clas
    S_exists (' Memcache ')) {throw new qexception (' PHP extension does not exist:memcache ');
  } $this->mem = new Memcache (); /** * Link MEMCAHCE service * @access private * @param string $key keyword * @param string $value Cached content *
    @return Array */Private Function Connect ($sid) {$file = $this->cachefile ();
    Require $file;
    if (! isset ($cache)) {throw new Qexception (' cache configuration file does not exist '. $file);
    } $server = $cache [$this->cacheid]; $sid = Isset ($sid) = = 0?
    $this->sid: $sid;//memcache Service Select if (! $server [$sid]) {throw new Qexception (' The cache server configuration file for the current operation does not exist '); } $host = $server [$sid] [' HOst '];
    $port = $server [$sid] [' Port '];
    try {$this->mem->connect ($host, $port);
    The catch (Exception $e) {exit (' Memecache connection failed, error message: '. $e->getmessage ()); }/** * Write cache * @access Private * @param string $key keyword * @param string $value cache content * @ret Urn array/Public function set ($key, $value, $sid, $expire = 0) {$data = $this->get ($key, $sid);
    The results already exist for the key value if ($data) {return $this->mem->set ($key, $value, memcache_compressed, $expire);
    else {return $this->mem->add ($key, $value, memcache_compressed, $expire);
   }/** * Read cache * @access private * @param string $key keyword * @param int $sid Select the first few memcache servers
    * @return Array */Public function get ($key, $sid) {$this->connect ($SID);
  return $this->mem->get ($key); /** * Clean (delete) All elements that have been stored * * @access Private * @return Array/PUBlic function Flush () {$this->connect ();
  return $this->mem->flush (); /** * Delete Cache * * @access private * @param string $key keyword * @param int $sid Select the first few memcache servers * @re
    Turn array */Public function remove ($key, $sid) {$this->connect ();
  return $this->mem->delete ($key); /** * destructor * finally closes memcache/public Function __destruct () {/*if (! $this->mem) {$th
    Is->mem->close ();
 }*/
  }
}

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