OCI8 Installation. https://www.oracle.com/database/technologies/instant-client/linux-x86-64-downloads.html # yum install php-devel systemtap-sdt-devel php-pear # yum install oracle-instantclient12.2-basic-12.2.0.1.0-1.x86_64.rpm 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-tools-12.2.0.1.0-1.x86_64.rpm # ldconfig # export PHP_DTRACE=yes # pecl install oci8-2.2.0 downloading oci8-2.2.0.tgz ... Starting to download oci8-2.2.0.tgz (196,449 bytes) .........................................done: 196,449 bytes 11 source files, building running: phpize Configuring for: PHP Api Version: 20190902 Zend Module Api No: 20190902 Zend Extension Api No: 320190902 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] : Enter ----- ------ ------ Build complete. Don't forget t