Merge pull request #2999 from pi-hole:fix/api_utf8_encoding

Add php-xml package as new dependency

automated install/basic-install.sh

@@ -250,7 +250,7 @@ if is_command apt-get ; then
     PIHOLE_DEPS=(cron curl dnsutils iputils-ping lsof netcat psmisc sudo unzip wget idn2 sqlite3 libcap2-bin dns-root-data resolvconf libcap2)
     # The Web dashboard has some that also need to be installed
     # It's useful to separate the two since our repos are also setup as "Core" code and "Web" code
-    PIHOLE_WEB_DEPS=(lighttpd "${phpVer}-common" "${phpVer}-cgi" "${phpVer}-${phpSqlite}")
+    PIHOLE_WEB_DEPS=(lighttpd "${phpVer}-common" "${phpVer}-cgi" "${phpVer}-${phpSqlite}" "${phpVer}-xml")
     # The Web server user,
     LIGHTTPD_USER="www-data"
     # group,
@@ -290,7 +290,7 @@ elif is_command rpm ; then
     PKG_COUNT="${PKG_MANAGER} check-update | egrep '(.i686|.x86|.noarch|.arm|.src)' | wc -l"
     INSTALLER_DEPS=(dialog git iproute newt procps-ng which chkconfig)
     PIHOLE_DEPS=(bind-utils cronie curl findutils nmap-ncat sudo unzip wget libidn2 psmisc sqlite libcap)
-    PIHOLE_WEB_DEPS=(lighttpd lighttpd-fastcgi php-common php-cli php-pdo)
+    PIHOLE_WEB_DEPS=(lighttpd lighttpd-fastcgi php-common php-cli php-pdo php-xml)
     LIGHTTPD_USER="lighttpd"
     LIGHTTPD_GROUP="lighttpd"
     LIGHTTPD_CFG="lighttpd.conf.fedora"