45.PHP动态扩展模块
/usr/local/php/bin/php -m//查看模块
下面安装一个redis的模块
cd /usr/local/src/
wget https://codeload.github.com/phpredis/phpredis/zip/develop
mv develop phpredis-develop.zip
unzip phpredis-develop.zip
cd phpredis-develop
/usr/local/php/bin/phpize //生成configure文件
生成配置文件时出错，安装依赖后重新生成configure
yum install -y autoconf
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http://i2.运维网.com/images/blog/201804/20/06f4cef81495ca54a99cbdcc4ddc358c.png
./configure --with-php-config=/usr/local/php/bin/php-config
make && make install
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[*]已经生成so文件
[*]/usr/local/php/bin/php -i |grep extension_dir //查看扩展模块存放目录，我们可以在php.ini中去自定义该路径
http://i2.运维网.com/images/blog/201804/20/eb28ab37b8313973537ec01ab23d070a.png
vim /usr/local/php/etc/php.ini//增加一行配置（可以放到文件最后一行）
extension = redis.so
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/usr/local/php/bin/php -m |grep redis
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[*]在php源码包中有一个ext文件，里面是一些自带的php扩展的源码包，需要安装哪个扩展时进入对应源码目录，先生成configure文件然后编译、修改php.ini文件即可。
[*]http://i2.运维网.com/images/blog/201804/20/8fd311e523d26f3ee08951fec1992b49.png
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