Upgrade PHP Script (manually) (#1563)

* Upgrade PHP Script (manually)

Tested on setups with no multiphp and nginx only (without Apache)

* Rename upgrade_php to upgrade_php.sh

install/upgrade/manual/upgrade_php.sh

@@ -0,0 +1,52 @@
+#!/bin/bash
+
+if [ ! -x "$(command -v php)" ]; then
+    echo "PHP is not installed. Aborting."
+    exit 1
+fi
+
+phpnewversion=7.4
+phpoldversion=7.3
+echo "PHP current: $phpoldversion"
+echo "PHP target : $phpnewversion"
+echo "Do you want to upgrade PHP now? [Y|N]"
+    read upgradeconfirmation
+if [ "$upgradeconfirmation" = "Y" ] || [ "$upgradeconfirmation" = "y" ]; then
+    echo "Process: Upgrading PHP to $phpnewversion"
+    echo ""
+    cd /tmp
+    dpkg-query --showformat='${Package}\t\n' --show | grep php$phpoldversion > /tmp/phpoldpackages.txt
+    cp -a /tmp/phpoldpackages.txt /tmp/phpnewpackages.txt
+    sed -i "s|$phpoldversion|$phpnewversion|g" /tmp/phpnewpackages.txt
+    apt-get update > /dev/null 2>&1
+    apt-get install $(cat /tmp/phpnewpackages.txt)
+    update-rc.d php$phpnewversion-fpm defaults
+    mv /etc/php/$phpoldversion/cli/php.ini /etc/php/$phpnewversion/cli/php.ini
+    mv /etc/php/$phpoldversion/fpm/php.ini /etc/php/$phpnewversion/fpm/php.ini
+    sed -i "s|$phpoldversion|$phpnewversion|g" /etc/php/$phpoldversion/fpm/php-fpm.conf
+    mv /etc/php/$phpoldversion/fpm/php-fpm.conf /etc/php/$phpnewversion/fpm/php-fpm.conf
+    rm -rf /etc/php/$phpnewversion/fpm/pool.d
+    mkdir -p /etc/php/$phpnewversion/fpm/pool.d
+    mv /etc/php/$phpoldversion/fpm/pool.d/* /etc/php/$phpnewversion/fpm/pool.d
+    mv /etc/logrotate.d/php$phpoldversion-fpm /etc/logrotate.d/php$phpnewversion-fpm
+    sed -i "s|$phpoldversion|$phpnewversion|g" /etc/logrotate.d/php$phpnewversion-fpm
+    rm -rf /etc/logrotate.d/php$phpnewversion-fpm.dpkg-dist
+    systemctl stop php$phpoldversion-php
+    apt-get purge $(cat /tmp/phpoldpackages.txt)
+    apt-get -y purge php-imagick
+    apt-get -y install php$phpnewversion-imagick
+    systemctl restart php$phpnewversion-fpm
+    rm -rf /etc/php/$phpoldversion
+    rm -rf /var/lib/php/modules/$phpoldversion
+    rm -rf /tmp/phpoldpackages.txt
+    rm -rf /tmp/phpnewpackages.txt
+    if [ -d /var/cache/nginx/micro ]; then
+        rm -rf /var/cache/nginx/micro/*
+    fi
+    systemctl reload nginx
+    echo ""
+    echo "PHP has been upgraded succcesfully to version $phpnewversion"
+else
+    echo "Process: Aborted"
+    exit 0
+fi