[LAMP]php动态扩展模块安装
在php编译完成后，如果想增加一个功能模块，要么重新编译php，要么直接编译一个扩展模块。重新编译php会影响现网中的业务，因此直接编译扩展模块更好些。# /usr/local/php/bin/php -m ##查看php加载的功能模块 下面演示安装redis扩展模块：
1、下载安装包
# cd /usr/local/src
# wget https://codeload.github.com/phpredis/phpredis/zip/develop
--2017-07-22 01:30:22--https://codeload.github.com/phpredis/phpredis/zip/develop
正在解析主机 codeload.github.com (codeload.github.com)... 192.30.255.120, 192.30.255.121
正在连接 codeload.github.com (codeload.github.com)|192.30.255.120|:443... 已连接。
已发出 HTTP 请求，正在等待回应... 200 OK
长度：221385 (216K)
正在保存至: “develop”
100%[=====================================================================================================================================================>] 221,385 36.6KB/s 用时 5.9s
2017-07-22 01:30:30 (36.6 KB/s) - 已保存 “develop” ) 2、解压压缩包
# mv develop phpredis-develop.zip
# unzip phpredis-develop.zip 3、生成configure文件
# cd phpredis-develop
# /usr/local/php/bin/ph
phar phar.phar php php-cgi php-configphpize
# /usr/local/php/bin/phpize
Configuring for:
PHP Api Version: 20131106
Zend Module Api No: 20131226
Zend Extension Api No: 220131226
Cannot find autoconf. Please check your autoconf installation and the
$PHP_AUTOCONF environment variable. Then, rerun this script. 报错，安装autoconf后，再次执行。
# /usr/local/php/bin/phpize
Configuring for:
PHP Api Version: 20131106
Zend Module Api No: 20131226
Zend Extension Api No: 220131226 4、加载配置
# ./configure--with-php-config=/usr/local/php/bin/php-config
checking for grep that handles long lines and -e... /usr/bin/grep
checking for egrep... /usr/bin/grep -E
checking for a sed that does not truncate output... /usr/bin/sed
checking for cc... cc
checking whether the C compiler works... yes
......
creating libtool
appending configuration tag "CXX" to libtool
configure: creating ./config.status
config.status: creating config.h
# echo $?
0 5、编译与编译安装
# make &&make install
# echo $?
0 6、编辑php配置
# /usr/local/php/bin/php -i | grep extension_dir
extension_dir => /usr/local/php/lib/php/extensions/no-debug-zts-20131226 => /usr/local/php/lib/php/extensions/no-debug-zts-20131226
sqlite3.extension_dir => no value => no value
# ls /usr/local/php/lib/php/extensions/no-debug-zts-20131226
opcache.soredis.so
# vi /usr/local/php/etc/php.ini
extension = redis.so ##增加一行 7、检查效果
# /usr/local/php/bin/php -m |grep redis
redis 如果想在php网站使用redis模块，需要重启httpd服务。
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