Please apply the following diffs and create a pull request.
Once the PR is ready, give it a title based on the messages of the fixes being applied.

[{"message":"The detection logic only identifies the first installed PHP version that differs from NEW_PHP_VER. If multiple PHP versions are installed (e.g., 8.2 and 8.3), only the first one encountered will be detected and removed, potentially leaving orphaned PHP installations. Consider either detecting all installed versions or documenting this limitation.","fixFiles":[{"filePath":"scripts/update/php-update.sh","diff":"diff --git a/scripts/update/php-update.sh b/scripts/update/php-update.sh\n--- a/scripts/update/php-update.sh\n+++ b/scripts/update/php-update.sh\n@@ -35,15 +35,14 @@\n fi\n \n # Auto-detect currently installed PHP-FPM version\n-OLD_PHP_VER=\"\"\n+OLD_PHP_VERS=()\n for ver in \"${SUPPORTED_PHP_VERSIONS[@]}\"; do\n     if [[ \"${ver}\" != \"${NEW_PHP_VER}\" ]] && dpkg -l | grep -q \"php${ver}-fpm\"; then\n-        OLD_PHP_VER=\"${ver}\"\n-        break\n+        OLD_PHP_VERS+=(\"${ver}\")\n     fi\n done\n \n-if [[ -z \"${OLD_PHP_VER}\" ]]; then\n+if [[ ${#OLD_PHP_VERS[@]} -eq 0 ]]; then\n     # Check if target version is already installed\n     if dpkg -l | grep -q \"php${NEW_PHP_VER}-fpm\"; then\n         echo \"PHP ${NEW_PHP_VER} is already installed. Nothing to upgrade.\"\n@@ -54,6 +48,9 @@\n     fi\n fi\n \n+# Preserve existing variable name for downstream logic that expects a single source version.\n+OLD_PHP_VER=\"${OLD_PHP_VERS[0]}\"\n+\n echo \"\"\n echo \"=============================================================\"\n echo \"\"\n@@ -62,7 +59,8 @@\n echo \"=============================================================\"\n echo \"\"\n \n-echo \"Detected PHP ${OLD_PHP_VER} installation. Proceeding with upgrade...\"\n+echo \"Detected PHP installation(s): ${OLD_PHP_VERS[*]}\"\n+echo \"Proceeding with upgrade to PHP ${NEW_PHP_VER} (primary source version: ${OLD_PHP_VER})...\"\n \n # Stop old PHP service\n echo \"Stopping PHP ${OLD_PHP_VER} service...\"\n"}]},{"message":"The PHP flag is appended to the install-state.conf file without checking if it already exists. This could result in duplicate entries if the script is run multiple times. Use sed or grep to update the existing entry, or check for existence before appending.","fixFiles":[{"filePath":"scripts/update/php-update.sh","diff":"diff --git a/scripts/update/php-update.sh b/scripts/update/php-update.sh\n--- a/scripts/update/php-update.sh\n+++ b/scripts/update/php-update.sh\n@@ -164,7 +164,11 @@\n STATUS=\"$(systemctl is-active \"php${NEW_PHP_VER}-fpm\")\"\n if [[ \"${STATUS}\" == \"active\" ]]; then\n     echo \"PASSED: PHP ${NEW_PHP_VER} is running.\"\n-    echo \"PHP=1\" >> /etc/enginescript/install-state.conf\n+    if grep -q '^PHP=' /etc/enginescript/install-state.conf; then\n+        sed -i 's/^PHP=.*/PHP=1/' /etc/enginescript/install-state.conf\n+    else\n+        echo \"PHP=1\" >> /etc/enginescript/install-state.conf\n+    fi\n else\n     echo \"FAILED: PHP ${NEW_PHP_VER} not running. Please diagnose this issue before proceeding.\"\n     exit 1\n"}]},{"message":"The command 'php -version' uses a lowercase 'v', but the correct PHP CLI option is '--version' with double dashes or '-v' with a single dash. The current command will likely fail or produce unexpected output.","fixFiles":[{"filePath":"scripts/update/php-update.sh","diff":"diff --git a/scripts/update/php-update.sh b/scripts/update/php-update.sh\n--- a/scripts/update/php-update.sh\n+++ b/scripts/update/php-update.sh\n@@ -201,7 +201,7 @@\n \n # Display PHP version and modules\n echo -e \"\\n\\n=-=-=-=-=-=-=-=-=-\\nPHP Info\\n=-=-=-=-=-=-=-=-=-\\n\"\n-php -version\n+php --version\n echo \"\"\n php -m\n \n"}]}]