PHP缓存工具XCache安装与使用方法详解

[XCache]
Zend_extension_ts=php_xcache.dall

wget http://xcache.lighttpd.net/pub/Releases/1.3.2/xcache-1.3.2.tar.gz
tar -zxvf xcache-1.3.2.tar.gz
cd xcache-1.3.2
phpize
./configure --enable-xcache
make
make install doc.codesky.net

[xcache-common]
; change me - 64 bit php => /usr/lib64/php/modules/xcache.so
; 32 bit php => /usr/lib/php/modules/xcache.so
zend_extension = /usr/lib64/php/modules/xcache.so
[xcache.admin]
xcache.admin.auth = On
xcache.admin.user = "mOo"
; xcache.admin.pass = md5($your_password)
xcache.admin.pass = ""
[xcache]
xcache.shm_scheme =    "mmap"
xcache.size =        32M
xcache.count =         1
xcache.slots =        8K
xcache.ttl  =       3600
xcache.gc_interval =     300
; Same as aboves but for variable cache
; If you don't know for sure that you need this, you probably don't
xcache.var_size =      0M
xcache.var_count =       1
xcache.var_slots =      8K
xcache.var_ttl  =       0
xcache.var_maxttl  =     0
xcache.var_gc_interval =   300
; N/A for /dev/zero
xcache.readonly_protection = Off
xcache.mmap_path =  "/dev/zero"
xcache.cacher =        On
xcache.stat  =        On

<?php
if (!defined('IS_INITPHP')) exit('Access Denied!');
/*********************************************************************************
 * InitPHP 2.0 国产PHP开发框架 Dao-XCACHE缓存
 *-------------------------------------------------------------------------------
 * 版权所有: CopyRight By initphp.com
 * 您可以自由使用该源码，但是在使用过程中，请保留作者信息。尊重他人劳动成果就是尊重自己
 *-------------------------------------------------------------------------------
 * $Author:zhuli
 * $Dtime:2011-10-09
***********************************************************************************/
class xcacheInit {
  /**
   * Xcache缓存-设置缓存
   * 设置缓存key，value和缓存时间
   * @param string $key  KEY值
   * @param string $value 值
   * @param string $time 缓存时间
   */
  public function set_cache($key, $value, $time = 0) {
    return xcache_set($key, $value, $time);;
  }
  /**
   * Xcache缓存-获取缓存
   * 通过KEY获取缓存数据
   * @param string $key  KEY值
   */
  public function get_cache($key) {
    return xcache_get($key);
  }
  /**
   * Xcache缓存-清除一个缓存
   * 从memcache中删除一条缓存
   * @param string $key  KEY值
   */
  public function clear($key) {
    return xcache_unset($key);
  }
  /**
   * Xcache缓存-清空所有缓存
   * 不建议使用该功能
   * @return
   */
  public function clear_all() {
    $tmp['user'] = isset($_SERVER['PHP_AUTH_USER']) ? null : $_SERVER['PHP_AUTH_USER'];
    $tmp['pwd'] = isset($_SERVER['PHP_AUTH_PW']) ? null : $_SERVER['PHP_AUTH_PW'];
    $_SERVER['PHP_AUTH_USER'] = $this->authUser;
    $_SERVER['PHP_AUTH_PW'] = $this->authPwd;
    $max = xcache_count(XC_TYPE_VAR);
    for ($i = 0; $i < $max; $i  ) {
      xcache_clear_cache(XC_TYPE_VAR, $i);
    }
    $_SERVER['PHP_AUTH_USER'] = $tmp['user'];
    $_SERVER['PHP_AUTH_PW'] = $tmp['pwd'];
    return true;
  }
  /**
   * Xcache验证是否存在
   * @param string $key  KEY值
   */
  public function exists($key) {
    return xcache_isset($key);
  }
}