PHP operation Memcache Cache method sharing, Memcache cache _php Tutorial

PHP operation Memcache Cache method sharing, Memcache cache

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

<?php/** * Memcache Cache operation * @author HXM * @version 1.0 * @since 2015.05.04 */class Mcache extends Object implements cache  face{private $mem = null;//mem Object Private $sId = 1; Servier Service ID/** * Initialize memcache * * @return Object */Public Function __construct () {if (!class_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 $value Cache contents * @return    Array */Private Function Connect ($sid) {$file = $this->cachefile ();    Require $file;    if (! isset ($cache)) {throw new qexception (' cache config 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 (' Cache server configuration file for current operation does not exist ');    } $host = $server [$sid] [' Host '];    $port = $server [$sid] [' Port ']; try {     $this->mem->connect ($host, $port);    } catch (Exception $e) {exit (' Memecache connection failed, error message: '. $e->getmessage ());    }}/** * Write Cache * * @access private * @param string $key keyword * @param string $value Cache contents * @return Array    */Public function set ($key, $value, $sid, $expire = 0) {$data = $this->get ($key, $SID);//If a key value already exists    if ($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 $sid Select memcache Server * @ret    Urn Array */public function get ($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->con    Nect ();  return $this->mem->flush (); }  /**   *Delete Cache * * @access private * @param string $key keyword * @param int $sid Select memcache Server * @return Array */P    ublic function Remove ($key, $sid) {$this->connect ();  return $this->mem->delete ($key); }/** * destructor * Last Close memcache */Public Function __destruct () {/*if (! $this->mem) {$this->mem    ->close (); }*/  }}

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