php-embed: Drop the declaration of the php-embed attributes

pkgs/servers/uwsgi/default.nix

@@ -4,10 +4,15 @@
 , pam, withPAM ? stdenv.isLinux
 , systemd, withSystemd ? stdenv.isLinux
 , python2, python3, ncurses
-, ruby, php-embed, libmysqlclient
+, ruby, php, libmysqlclient
 }:
 
-let pythonPlugin = pkg : lib.nameValuePair "python${if pkg.isPy2 then "2" else "3"}" {
+let php-embed = php.override {
+      config.php.embed = true;
+      config.php.apxs2 = false;
+    };
+
+    pythonPlugin = pkg : lib.nameValuePair "python${if pkg.isPy2 then "2" else "3"}" {
                            interpreter = pkg.interpreter;
                            path = "plugins/python";
                            inputs = [ pkg ncurses ];

pkgs/top-level/aliases.nix

@@ -320,6 +320,25 @@ mapAliases ({
   perlArchiveCpio = perlPackages.ArchiveCpio; # added 2018-10-12
   pgp-tools = signing-party; # added 2017-03-26
   pg_tmp = ephemeralpg; # added 2018-01-16
+
+  php-embed = throw ''
+    php*-embed has been dropped, you can build the same package by using
+     something similar with this following snippet:
+    (php74.override { config.php.embed = true; config.php.apxs2 = false; })
+  ''; # added 2020-04-01
+  php72-embed = php-embed; # added 2020-04-01
+  php73-embed = php-embed; # added 2020-04-01
+  php74-embed = php-embed; # added 2020-04-01
+
+  phpPackages-embed = throw ''
+    php*Packages-embed has been dropped, you can build the same package by using
+     something similar with this following snippet:
+    (php74.override { config.php.embed = true; config.php.apxs2 = false; }).packages
+  ''; # added 2020-04-01
+  php74Packages-embed = phpPackages-embed;
+  php73Packages-embed = phpPackages-embed;
+  php72Packages-embed = phpPackages-embed;
+
   pidgin-with-plugins = pidgin; # added 2016-06
   pidginlatex = pidgin-latex; # added 2018-01-08
   pidginlatexSF = pidgin-latex; # added 2014-11-02

pkgs/top-level/all-packages.nix

@@ -9403,23 +9403,6 @@ in
     stdenv = if stdenv.cc.isClang then llvmPackages_6.stdenv else stdenv;
   }) php74 php73 php72 php74base php73base php72base;
 
-  php-embed = php74-embed;
-
-  php72-embed = php72.override {
-    config.php.embed = true;
-    config.php.apxs2 = false;
-  };
-
-  php73-embed = php73.override {
-    config.php.embed = true;
-    config.php.apxs2 = false;
-  };
-
-  php74-embed = php74.override {
-    config.php.embed = true;
-    config.php.apxs2 = false;
-  };
-
   php-unit = php74-unit;
 
   php72-unit = php72.override {