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IYUUAutoReseed初始化版本库v0.2.0

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iyuu.cn
2020-01-14 19:17:09 +08:00
commit 822e4a2270
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64
vendor/owner888/phpspider/core/cache.php vendored Normal file
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<?php
// +----------------------------------------------------------------------
// | PHPSpider [ A PHP Framework For Crawler ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006-2014 https://doc.phpspider.org All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: Seatle Yang <seatle@foxmail.com>
// +----------------------------------------------------------------------
//----------------------------------
// PHPSpider缓存类文件
//----------------------------------
class cache
{
// 多进程下面不能用单例模式
//protected static $_instance;
/**
* 获取实例
*
* @return void
* @author seatle <seatle@foxmail.com>
* @created time :2016-04-10 22:55
*/
public static function init()
{
if(extension_loaded('Redis'))
{
$_instance = new Redis();
}
else
{
$errmsg = "extension redis is not installed";
log::add($errmsg, "Error");
return null;
}
// 这里不能用pconnect，会报错：Uncaught exception 'RedisException' with message 'read error on connection'
$_instance->connect($GLOBALS['config']['redis']['host'], $GLOBALS['config']['redis']['port'], $GLOBALS['config']['redis']['timeout']);
// 验证
if ($GLOBALS['config']['redis']['pass'])
{
if ( !$_instance->auth($GLOBALS['config']['redis']['pass']) )
{
$errmsg = "Redis Server authentication failed!!";
log::add($errmsg, "Error");
return null;
}
}
// 不序列化的话不能存数组，用php的序列化方式其他语言又不能读取，所以这里自己用json序列化了，性能还比php的序列化好1.4倍
//$_instance->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_NONE); // don't serialize data
//$_instance->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_PHP); // use built-in serialize/unserialize
//$_instance->setOption(Redis::OPT_SERIALIZER, Redis::SERIALIZER_IGBINARY); // use igBinary serialize/unserialize
$_instance->setOption(Redis::OPT_PREFIX, $GLOBALS['config']['redis']['prefix'] . ":");
return $_instance;
}
}