#!/usr/bin/env bash

#----------------------------------------------------------------------------------

# EngineScript - A High-Performance WordPress Server Built on Ubuntu and Cloudflare

#----------------------------------------------------------------------------------

# Website: https://EngineScript.com

# GitHub: https://github.com/Enginescript/EngineScript

# License: GPL v3.0

#----------------------------------------------------------------------------------

# EngineScript Variables

source /usr/local/bin/enginescript/enginescript-variables.txt || { echo "Error: Failed to source /usr/local/bin/enginescript/enginescript-variables.txt" >&2; exit 1; }

source /home/EngineScript/enginescript-install-options.txt || { echo "Error: Failed to source /home/EngineScript/enginescript-install-options.txt" >&2; exit 1; }

# Source shared functions library

source /usr/local/bin/enginescript/scripts/functions/shared/enginescript-common.sh || { echo "Error: Failed to source /usr/local/bin/enginescript/scripts/functions/shared/enginescript-common.sh" >&2; exit 1; }

#----------------------------------------------------------------------------------

# Start Main Script

# Prompt for EngineScript Update

if prompt_yes_no "Do you want to update EngineScript before continuing?\nThis will ensure you have the latest core scripts and variables."; then

/usr/local/bin/enginescript/scripts/update/enginescript-update.sh 2>> /tmp/enginescript_install_errors.log

else

echo "Skipping EngineScript update."

fi

print_last_errors

debug_pause "EngineScript Update"

# Accept target version from argument (used by menu) or fall back to variables + override

if [[ -n "${1}" ]]; then

NEW_PHP_VER="${1}"

else

NEW_PHP_VER="${PHP_VER}"

fi

# Auto-detect currently installed PHP-FPM version

OLD_PHP_VER=""

for ver in 8.1 8.2 8.3 8.4 8.5; do

if [[ "${ver}" != "${NEW_PHP_VER}" ]] && dpkg -l | grep -q "php${ver}-fpm"; then

OLD_PHP_VER="${ver}"

fi

done

if [[ -z "${OLD_PHP_VER}" ]]; then

# Check if target version is already installed

if dpkg -l | grep -q "php${NEW_PHP_VER}-fpm"; then

echo "PHP ${NEW_PHP_VER} is already installed. Nothing to upgrade."

exit 0

else

echo "No existing PHP-FPM installation detected. Use php-install.sh for fresh installs."

exit 1

fi

fi

echo ""

echo "============================================================="

echo ""

echo "PHP Upgrade: Migrating from PHP ${OLD_PHP_VER} to PHP ${NEW_PHP_VER}"

echo ""

echo "============================================================="

echo ""

echo "Detected PHP ${OLD_PHP_VER} installation. Proceeding with upgrade..."

# Stop old PHP service

echo "Stopping PHP ${OLD_PHP_VER} service..."

systemctl stop "php${OLD_PHP_VER}-fpm" 2>/dev/null || true

# Install new PHP version

echo "Installing PHP ${NEW_PHP_VER}..."

# Define the PHP packages to install

php_packages="php${NEW_PHP_VER}

php${NEW_PHP_VER}-bcmath

php${NEW_PHP_VER}-common

php${NEW_PHP_VER}-curl

php${NEW_PHP_VER}-fpm

php${NEW_PHP_VER}-gd

php${NEW_PHP_VER}-imagick

php${NEW_PHP_VER}-intl

php${NEW_PHP_VER}-mbstring

php${NEW_PHP_VER}-mysql

php${NEW_PHP_VER}-redis

php${NEW_PHP_VER}-ssh2

php${NEW_PHP_VER}-xml

php${NEW_PHP_VER}-zip"

# PHP 8.5+ has opcache built-in; older versions need the separate package

php_major="${NEW_PHP_VER%%.*}"

php_minor="${NEW_PHP_VER#*.}"

if (( php_major < 8 || (php_major == 8 && php_minor < 5) )); then

php_packages="${php_packages}

php${NEW_PHP_VER}-opcache"

fi

# Install the packages with error checking

apt install -qy $php_packages 2>> /tmp/enginescript_install_errors.log || {

echo "Error: Unable to install PHP ${NEW_PHP_VER} packages. Exiting..."

exit 1

}

# Install expanded PHP packages if enabled

if [[ "$INSTALL_EXPANDED_PHP" == "1" ]]; then

echo "Installing expanded PHP ${NEW_PHP_VER} packages..."

expanded_php_packages="php${NEW_PHP_VER}-soap

php${NEW_PHP_VER}-sqlite3"

apt install -qy $expanded_php_packages 2>> /tmp/enginescript_install_errors.log || {

echo "Error: Unable to install expanded PHP ${NEW_PHP_VER} packages. Exiting..."

exit 1

}

fi

print_last_errors

debug_pause "PHP Package Installation"

# Logrotate

if [[ -f "/etc/logrotate.d/php${NEW_PHP_VER}-fpm" ]]; then

sed -i "s|rotate 12|rotate 5|g" "/etc/logrotate.d/php${NEW_PHP_VER}-fpm"

fi

# Backup PHP config

/usr/local/bin/enginescript/scripts/functions/backup/php-backup.sh 2>> /tmp/enginescript_install_errors.log

# Update PHP config with the latest EngineScript settings

/usr/local/bin/enginescript/scripts/update/php-config-update.sh 2>> /tmp/enginescript_install_errors.log

print_last_errors

debug_pause "PHP Configuration"

# Create necessary directories and log files

mkdir -p /var/cache/opcache

mkdir -p /var/cache/php-sessions

mkdir -p /var/cache/wsdlcache

mkdir -p /var/log/opcache

mkdir -p /var/log/php

touch "/var/log/opcache/opcache.log"

touch "/var/log/php/php${NEW_PHP_VER}-fpm.log"

# Assign PHP Permissions

set_php_permissions

# Update Nginx configuration to use new PHP version

echo "Updating Nginx configuration for PHP ${NEW_PHP_VER}..."

# Update php-fpm.conf

if [[ -f "/etc/nginx/globals/php-fpm.conf" ]]; then

sed -i "s|php${OLD_PHP_VER}-fpm|php${NEW_PHP_VER}-fpm|g" "/etc/nginx/globals/php-fpm.conf"

sed -i "s|php${OLD_PHP_VER}|php${NEW_PHP_VER}|g" "/etc/nginx/globals/php-fpm.conf"

fi

# Update all nginx site configurations

for config_file in /etc/nginx/sites-available/*; do

if [[ -f "$config_file" ]]; then

sed -i "s|php${OLD_PHP_VER}-fpm|php${NEW_PHP_VER}-fpm|g" "$config_file"

sed -i "s|php${OLD_PHP_VER}|php${NEW_PHP_VER}|g" "$config_file"

fi

done

# Update phpSysInfo configuration

if [[ -f "/var/www/admin/tools/phpsysinfo/phpsysinfo.ini" ]]; then

echo "Updating phpSysInfo configuration..."

sed -i "s|php${OLD_PHP_VER}|php${NEW_PHP_VER}|g" "/var/www/admin/tools/phpsysinfo/phpsysinfo.ini"

fi

# Update admin control panel API configuration

if [[ -f "/var/www/admin/control-panel/api.php" ]]; then

echo "Updating admin control panel API configuration..."

sed -i "s|php${OLD_PHP_VER}-fpm|php${NEW_PHP_VER}-fpm|g" "/var/www/admin/control-panel/api.php"

sed -i "s|php${OLD_PHP_VER}|php${NEW_PHP_VER}|g" "/var/www/admin/control-panel/api.php"

fi

# Start new PHP service

echo "Starting PHP ${NEW_PHP_VER} service..."

systemctl enable "php${NEW_PHP_VER}-fpm" 2>> /tmp/enginescript_install_errors.log

systemctl start "php${NEW_PHP_VER}-fpm" 2>> /tmp/enginescript_install_errors.log

# Reload Nginx to pick up the new PHP configuration

echo "Reloading Nginx configuration..."

systemctl reload nginx 2>> /tmp/enginescript_install_errors.log

print_last_errors

debug_pause "PHP Service Start"

# PHP Service Check

STATUS="$(systemctl is-active "php${NEW_PHP_VER}-fpm")"

if [[ "${STATUS}" == "active" ]]; then

echo "PASSED: PHP ${NEW_PHP_VER} is running."

echo "PHP=1" >> /var/log/EngineScript/install-log.log

else

echo "FAILED: PHP ${NEW_PHP_VER} not running. Please diagnose this issue before proceeding."

exit 1

fi

# Remove old PHP version

echo "Removing PHP ${OLD_PHP_VER} installation..."

# Stop and disable old PHP service

systemctl stop "php${OLD_PHP_VER}-fpm" 2>/dev/null || true

systemctl disable "php${OLD_PHP_VER}-fpm" 2>/dev/null || true

# Remove old PHP packages

apt purge -y php${OLD_PHP_VER}* 2>/dev/null || true

# Remove old PHP configuration directory

rm -rf "/etc/php/${OLD_PHP_VER}" 2>/dev/null || true

# Remove old PHP logrotate configuration

rm -f "/etc/logrotate.d/php${OLD_PHP_VER}-fpm" 2>/dev/null || true

# Archive old log

if [[ -f "/var/log/php/php${OLD_PHP_VER}-fpm.log" ]]; then

mv "/var/log/php/php${OLD_PHP_VER}-fpm.log" "/var/log/php/php${OLD_PHP_VER}-fpm.log.old" 2>/dev/null || true

fi

echo "PHP ${OLD_PHP_VER} has been removed."

# Cleanup

/usr/local/bin/enginescript/scripts/functions/php-clean.sh 2>> /tmp/enginescript_install_errors.log

/usr/local/bin/enginescript/scripts/functions/enginescript-cleanup.sh 2>> /tmp/enginescript_install_errors.log

print_last_errors

debug_pause "Cleanup"

# Display PHP version and modules

echo -e "\n\n=-=-=-=-=-=-=-=-=-\nPHP Info\n=-=-=-=-=-=-=-=-=-\n"

php -version

echo ""

php -m

# Final message

echo ""

echo ""

echo "============================================================="

echo ""

echo "PHP upgrade from ${OLD_PHP_VER} to ${NEW_PHP_VER} completed successfully."

echo ""

echo "Changes made:"

echo " - Installed PHP ${NEW_PHP_VER} and extensions"

echo " - Applied EngineScript configuration for PHP ${NEW_PHP_VER}"

echo " - Updated Nginx configuration"

echo " - Removed PHP ${OLD_PHP_VER} installation"

echo ""

echo "============================================================="

echo ""