#Oracle Database Instant Client Installation
Download
cd /opt
sudo unzip instantclient-sdk-linux.x64-12.1.0.2.0.zip
sudo unzip instantclient-basic-linux.x64-12.1.0.2.0.zip
cd /opt/instantclient_12_1
sudo ln -s libclntsh.so.12.1 libclntsh.so
sudo ln -s libocci.so.12.1 libocci.so
Install php7.0-dev Install pecl
sudo pecl install oci8-2.1.0
use as ORACLE_HOME -> instantclient,/opt/instantclient_12_1
Add extension to php.ini Check
php -i | grep oci