OCI8 installation on ubuntu Ubuntu 18.04.5 LTS running PHP 7.4 from ondrej PPA

setup-oci8.sh

#!/bin/bash

if [ "$EUID" -ne 0 ]
  then echo "Please run as root"
  exit
fi

# Download the Oracle Instant Client and SDK from Oracle website
mkdir /opt/oracle
cd /opt/oracle/
wget https://download.oracle.com/otn_software/linux/instantclient/214000/instantclient-basiclite-linux.x64-21.4.0.0.0dbru.zip
wget https://download.oracle.com/otn_software/linux/instantclient/214000/instantclient-sdk-linux.x64-21.4.0.0.0dbru.zip
unzip instantclient-basiclite-linux.x64-21.4.0.0.0dbru.zip
unzip instantclient-sdk-linux.x64-21.4.0.0.0dbru.zip 
echo /opt/oracle/instantclient_21_4  > /etc/ld.so.conf.d/oracle-instantclient.conf
ldconfig

# PECL and compile
apt update
apt install -y php7.4-dev php-pear 
pecl channel-update pecl.php.net

# Install oci8 from pecl
clear
echo -e "When prompted, input: instantclient,/opt/oracle/instantclient_21_4\n\n\n"


pecl install oci8-2.2.0
echo "extension =oci8.so" > /etc/php/7.4/cli/conf.d/20-oci8.ini
echo "extension =oci8.so" > /etc/php/7.4/fpm/conf.d/20-oci8.ini
service php7.4-fpm restart

echo -e "\nDONE!"