//安装php的memcache扩展 一、使用php自带的pecl安装程序 [root@localhost src]# /usr/local/php/bin/pecl install memcache ... ... ... Build process completed successfully Installing '/usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/memcache.so' install ok: channel://pecl.php.net/memcache-2.2.7 configuration option "php_ini" is not set to php.ini location You should add "extension=memcache.so" to php.ini [root@localhost src]# cp /usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/memcache.so /usr/local/php/ext [root@localhost src]# vim /usr/local/php/etc/php.ini ... ... ;extension_dir = "./" /*改为extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20090626/"*/ //再添加一行 extension = "memcache.so“ //检验,查看是否有memcache [root@localhost src]# /usr/local/php/bin/php -m //检测php是否连接memcache,下载一个已经写好的脚本 [root@localhost src]# curl www.apelearn.com/study_v2/.memcache.txt >1.php 2>/dev/null //执行 [root@localhost src]# /usr/local/php/bin/php 1.php //执行成功-- 只有当在php.ini中定义了memcache模块才可以执行此脚本 Get key1 value: This is first value<br>Get key1 value: This is replace value<br>Get key2 value: Array ( [0] => aaa [1] => bbb [2] => ccc [3] => ddd ) <br>Get key1 value: <br>Get key2 value: <br>
二、通过安装包进行安装 //先安装php的memcache扩展 [root@ff ~]# cd /usr/local/src [root@ff src]# wget http://lishiming.net/data/attachment/forum/memcache-2.2.3.tgz [root@ff ~]# tar zxvf memcache-2.2.3.tgz [root@ff ~]# cd memcache-2.2.3 [root@ff memcache-2.2.3]# /usr/local/php/bin/phpize Configuring for: PHP Api Version: 20131106 Zend Module Api No: 20131226 Zend Extension Api No: 220131226 [root@ff memcache-2.2.3]# ./configure --with-php-config=/usr/local/php/bin/php-config [root@ff memcache-2.2.3]# make [root@ff memcache-2.2.3]# make install //此时安装完出现的路径需要记录 Installing shared extensions: /usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/ [root@ff memcache-2.2.3]# vim /usr/local/php/etc/php.ini //change --> extension_dir = "./" to --> extension_dir = "/usr/local/php/lib/php/extensions/no-debug-non-zts-20131226/" //add extension = "memcache.so" //php连接memcached检验 [root@ff memcache-2.2.3]# /usr/local/php/bin/php -m|grep memcache memcache //下载测试php脚本 [root@ff memcache-2.2.3]# curl www.apelearn.com/study_v2/.memcache.txt > 1.php 2>/dev/null [root@ff memcache-2.2.3]# /usr/local/php/bin/php 1.php //运行 //成功 Get key1 value: This is first value<br>Get key1 value: This is replace value<br>Get key2 value: Array ( [0] => aaa [1] => bbb [2] => ccc [3] => ddd ) <br>Get key1 value: <br>Get key2 value: <br>[root@ff memcache-2.2.3]#
安装会出现的错误!!!
1. /usr/local/php/bin/phpize 运行不成功。找不到phpize --> phpize是属于php-devel的内容,因此在centos中只要运行如下命令: yum install php-devel 然后就会安装上phpize了。 运行phpize是为了生成./configure文件 2. ./configure 会出现 :checking for libevent directory... configure: error: libevent is required. You can get it from http://www.monkey.org/~provos/libevent/ If it's already installed, specify its path using --with-libevent=/dir/ --> yum install -y libevent-devel
//memcached实现session共享 一、不管在哪种架构中,都能实现的 [root@localhost ~]# vim /usr/local/php/etc/php.ini //添加 session.save_handler = "memcache" session.save_path = "tcp://127.0.0.1:11211" //如果memcached服务为远程机器,则可将ip改为远程机器的ip //测试 [root@localhost src]# wget http://study.lishiming.net/.mem_se.txt [root@localhost src]# mv .mem_se.txt /usr/local/apache2/htdocs/session.php //因为我们要用curl或浏览器访问此脚本,所以要保证其可以被打开 [root@localhost src]# curl localhost/session.php //查看是否有显示内容,如果没有,查看已经配置好的网站文件test.conf
1471872176<br><br>1471872176<br><br>3crb4tjhhuqd1o4ao7n73putq6
[root@ff memcache-2.2.3]# telnet 127.0.0.1 11211
Trying 127.0.0.1...
Connected to 127.0.0.1.
Escape character is '^]'.
get 3crb4tjhhuqd1o4ao7n73putq6 //<br>后的那一串字符
VALUE 3crb4tjhhuqd1o4ao7n73putq6 0 37
TEST|i:1471872176;TEST3|i:1471872176; //i后的是第一个<br>前的值
quit //结束
Connection closed by foreign host.
//每一次刷新都会得到一个新的字符串
[root@ff extra]# curl -x127.0.0.1:80 localhost/session.php
1471872300<br><br>1471872300<br><br>hejae0ksknfrunr8fc25mkqu50
[root@ff extra]# curl -x127.0.0.1:80 localhost/session.php
1471872304<br><br>1471872304<br><br>3oiopcitd291j9ogv5is6o0ik0
[root@ff extra]#
//--!!如果添加到php.ini不成功,可以添加到apache或nginx对应的php-fpm的配置文件中,见下方配置
//在httpd.conf或者test.conf对应的虚拟主机中的配置语句{LAMP结构} php_value session.save_handler "memcache" php_value session.save_path "tcp://127.0.0.1:11211"
//在php-fpm.conf中的pool中添加 {LNMP结构}
php_value[session.save_handler] = memcache
php_value[session.save_path] = "tcp://127.0.0.1:11211