18.x php update helper

changes/php.changelog

@@ -2,6 +2,10 @@ turnkey-php-18.0 (2) turnkey; urgency=low
 
   * Debian default PHP updated to v8.2.
 
+  * Include new 'tkl-update-php' script - to make updating/changing PHP
+    version easier for end users.
+    [Marcos Méndez @ POPSOLUTIONS <https://github.com/marcos-mendez>]
+
   * DEV: Add support for setting max_execution_time & max_input_vars in
     php.ini via appliance Makefile (PHP_MAX_EXECUTION_TIME &
     PHP_MAX_INPUT_VARS).

overlays/php/usr/local/bin/tkl-upgrade-php

@@ -0,0 +1,85 @@
+#!/bin/bash
+
+# Function to display PHP version choices and get user input
+choose_php_version() {
+    echo "Select the PHP version to install:"
+    echo "1) PHP 7.3"
+    echo "2) PHP 7.4"
+    echo "3) PHP 8.0"
+    echo "4) PHP 8.1"
+    echo "5) PHP 8.2"
+    echo "6) PHP 8.3"
+    read -p -r "Enter choice [1-5]: " php_choice
+
+    case $php_choice in
+        1) PHPV_NEW="7.3";;
+        2) PHPV_NEW="7.4";;
+        3) PHPV_NEW="8.0";;
+        4) PHPV_NEW="8.1";;
+        5) PHPV_NEW="8.2";;
+        6) PHPV_NEW="8.3";;
+        *) echo "Invalid choice. Exiting."; exit 1;;
+    esac
+}
+
+# Function to check if new packages exist and exclude json if PHP version is >= 7.2
+check_new_packages() {
+    missing_pkgs=()
+    for pkg in $PHP_NEW_PKGS; do
+        if ! apt-cache show "$pkg" > /dev/null 2>&1; then
+            missing_pkgs+=("$pkg")
+        fi
+    done
+
+    if [ ${#missing_pkgs[@]} -ne 0 ]; then
+        echo "The following packages do not exist in PHP version $PHPV_NEW: ${missing_pkgs[*]}"
+        exit 1
+    fi
+}
+
+# Start of the script
+echo "Starting PHP upgrade script..."
+
+# Display current PHP version
+echo "Current PHP version:"
+php -v
+
+# Step 1: Set PHP version to install and collect current PHP version & packages
+choose_php_version
+PHPV_OLD=$(php -r 'echo PHP_MAJOR_VERSION . "." . PHP_MINOR_VERSION;')
+PHP_OLD_PKGS=$(apt-cache policy -- "*php${PHPV_OLD}*" \
+                    | grep -v "Installed: (none)" \
+                    | grep "Installed:" -B1 \
+                    | sed -n "\|php${PHPV_OLD}| s|^\([a-z0-9\.-]*\).*$|\1|p" \
+                    | grep -v "json")
+PHP_NEW_PKGS="${PHP_OLD_PKGS//$PHPV_OLD/$PHPV_NEW}"
+
+# Step 2: Set up sury.org PHP
+curl -sSL https://packages.sury.org/php/README.txt | bash -x
+
+# Step 3: Install relevant new packages
+check_new_packages
+echo "Installing new packages..."
+# shellcheck disable=SC2086
+apt install -y $PHP_NEW_PKGS
+
+# Detect the web server and handle PHP module accordingly
+if systemctl is-active --quiet apache2; then
+    # Apache is running
+    a2dismod "php${PHPV_OLD}"
+    a2enmod "php${PHPV_NEW}"
+    systemctl restart apache2
+elif systemctl is-active --quiet nginx; then
+    # Nginx is running, restart PHP-FPM if installed
+    systemctl restart php${PHPV_NEW}-fpm
+elif systemctl is-active --quiet lighttpd; then
+    # Lighttpd is running, restart PHP-FPM if installed
+    systemctl restart php${PHPV_NEW}-fpm
+else
+    echo "No supported web server detected. Please manually configure your web server to use the new PHP version."
+fi
+
+# Update CLI version
+update-alternatives --set php /usr/bin/php${PHPV_NEW}
+
+echo "PHP upgrade completed successfully."