下载：
oracle-instantclient12.2-devel-12.2.0.1.0-1.x86_64.rpm oracle-instantclient12.2-sqlplus-12.2.0.1.0-1.x86_64.rpm oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm
安装：
rpm -ivh oracle-instantclient12.2-*
添加环境变量：
vim -b /etc/profile ## 在尾部增加如下内容 export ORACLE_HOME=/usr/lib/oracle/12.2/client64 export ORACLE_BASE=/usr/lib/oracle/12.2 export LD_LIBRARY_PATH=$ORACLE_HOME/lib:$LD_LIBRARY_PATH export PATH=$ORACLE_HOME/bin:$PATH
安装oci8
pecl install oci8
期间会出现
Please provide the path to the ORACLE_HOME directory. Use 'instantclient,/path/to/instant/client/lib' if you're compiling with Oracle Instant Client [autodetect] :
输入：
instantclient,/usr/lib/oracle/12.2/client64/lib
验证：
php -m | grep oci8
重启服务：
systemctl restart php-fpm
参考：
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