Fix PHP version detection

setup-php-ext-brotli.sh

@@ -8,8 +8,11 @@ if [ "$EUID" -ne 0 ]
   exit
 fi
 
+# update system
+apt update && apt upgrade -y && apt autoremove -y && apt clean
+
 # get PHP version
-PHP="7.4"
+PHP=`apt search php | grep fpm | grep security | cut -c 4-6`
 
 # install needed packages
 apt install php-dev -y
@@ -21,7 +24,7 @@ cd php-ext-brotli
 phpize
 ./configure
 make install clean
-echo "extension=brotli.so" > /etc/php/7.4/mods-available/brotli.ini
+echo "extension=brotli.so" > /etc/php/${PHP}/mods-available/brotli.ini
 phpenmod brotli
 
 # clean up packages