php7安装 mcrypt扩展

以下php7.2安装mcrypt扩展，php7.2的安装目录为/usr/local/php7.2,php.ini目录位于/usr/local/php7.2/etc/php.ini
yum安装依赖包
yum install libmcrypt libmcrypt-devel mcrypt mhash
从php官网下载mcrypt包,如果是php7.3或更高版本用mcrypt-1.0.3.tgz,phpmcrypt扩展官网http://pecl.php.net/package/mcrypt

wget http://pecl.php.net/get/mcrypt-1.0.2.tgz
tar xf mcrypt-1.0.2.tgz
cd mcrypt-1.0.2
编译安装mcrypt
/usr/local/php7.2/bin/phpize
./configure --with-php-config=/usr/local/php7.2/bin/php-config
make && make install
修改php.ini加上扩展即可
extension=/usr/local/php7.2/lib/php/no-debug-non-zts-20170718/mcrypt.so