https://gist.github.com/syahzul/2632262df21974ecd02be3ccce66fbef#install-extension-with-pecl

https://patriqueouimet.ca/tip/installing-php-and-pecl-extensions-on-macos

https://github.com/yajra/laravel-oci8

pecl install oci8

snippet code to check oci8 installed

<?php
if (function_exists('oci_connect')) {
echo 'OCI8 is working!';
}
else {
echo 'Whoopss...not working!';
}