rc: properly create php template on first boot

PR: https://forum.opnsense.org/index.php?topic=5213.0

(cherry picked from commit ed66e87)
(cherry picked from commit 93d68f7)

plist

@@ -135,6 +135,7 @@
 /usr/local/etc/rc.syshook.d/05-beep.stop
 /usr/local/etc/rc.syshook.d/05-update.early
 /usr/local/etc/rc.syshook.d/10-configd.early
+/usr/local/etc/rc.syshook.d/15-php.early
 /usr/local/etc/rc.syshook.d/20-backup.early
 /usr/local/etc/rc.syshook.d/20-freebsd.start
 /usr/local/etc/rc.syshook.d/80-freebsd.stop

src/etc/rc

@@ -234,6 +234,10 @@ echo "done."
 # Execute the early syshook / plugin commands
 /usr/local/etc/rc.syshook early
 
+# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+# !!! PHP starts working here, not earlier !!!
+# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
 # Let the PHP-based configuration subsystem set up the system now
 echo -n "Launching the init system..."
 touch /var/run/booting

src/etc/rc.syshook.d/15-php.early

@@ -0,0 +1,5 @@
+#!/bin/sh
+
+# php.ini is chained into this template, required by backend
+echo -n "Configuring PHP: "
+configctl template reload OPNsense/WebGui