centos7+php7+docker安装php bcmath扩展
1,docker ps 查看容器ID
2,docker exec -it ed7887365139 /bin/bash 进入容器
3,cd /usr/local/etc/php 查看php配置文件:cat php.ini
4,查看扩展
/usr/local/etc/php/conf.d# ls docker-php-ext-gd.ini docker-php-ext-mcrypt.ini docker-php-ext-pdo_mysql.ini docker-php-ext-sockets.ini docker-php-ext-mbstring.ini docker-php-ext-mysqli.ini docker-php-ext-redis.ini docker-php-ext-zip.ini
5,复制文件:cp /usr/src/php/ext/gmp/php_gmp.h /usr/include
6,安装 bcmath 扩展:docker-php-ext-install bcmath
7,安装扩展后需要重启 apache 生效:/etc/init.d/apache2 restart