profiles: base/use.mask - Mask PHP 7.3 target during beta phase

profiles/base/use.mask

@@ -1,9 +1,13 @@
-# Copyright 1999-2017 Gentoo Foundation
+# Copyright 1999-2018 Gentoo Foundation
 # Distributed under the terms of the GNU General Public License v2
 
 # This file is only for generic masks. For arch-specific masks (i.e.
 # mask everywhere, unmask on arch/*) use arch/base.
 
+# Brian Evans <[email protected]> (10 Aug 2018)
+# Mask PHP 7.3 target while in beta
+php_targets_php7-3
+
 # Andreas Sturmlechner <[email protected]> (10 May 2018)
 # media-sound/mumble is masked/not keyworded at this point, bug #656826.
 mumble