php: Drop PHP 7.3 support

PHP 7.3 won't be supported by upstream for the entire life cycle of
the 21.11 release.

Also drop the pcre' alias since it isn't needed anymore since we don't
need different pcre versions anymore.

22 files changed, 72 insertions, 171 deletions

diff --git a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
index e0b52ffa342..5f7b1fc811c 100644
--- a/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
+++ b/nixos/doc/manual/from_md/release-notes/rl-2111.section.xml
@@ -14,8 +14,13 @@
   </itemizedlist>
   <section xml:id="highlights">
     <title>Highlights</title>
-    <para>
-    </para>
+    <itemizedlist spacing="compact">
+      <listitem>
+        <para>
+          PHP now defaults to PHP 8.0, updated from 7.4
+        </para>
+      </listitem>
+    </itemizedlist>
   </section>
   <section xml:id="new-services">
     <title>New Services</title>
@@ -45,6 +50,12 @@
           <link xlink:href="options.html#opt-services.geoipupdate.enable">services.geoipupdate</link>.
         </para>
       </listitem>
+      <listitem>
+        <para>
+          PHP 7.3 is no longer supported due to upstream not supporting
+          this version for the entire lifecycle of the 21.11 release.
+        </para>
+      </listitem>
     </itemizedlist>
   </section>
   <section xml:id="other-notable-changes">
diff --git a/nixos/doc/manual/release-notes/rl-2111.section.md b/nixos/doc/manual/release-notes/rl-2111.section.md
index d4604447f83..439437f5c09 100644
--- a/nixos/doc/manual/release-notes/rl-2111.section.md
+++ b/nixos/doc/manual/release-notes/rl-2111.section.md
@@ -19,4 +19,7 @@ In addition to numerous new and upgraded packages, this release has the followin
 * `services.geoip-updater` was broken and has been replaced by
   [services.geoipupdate](options.html#opt-services.geoipupdate.enable).
 
+* PHP 7.3 is no longer supported due to upstream not supporting this
+  version for the entire lifecycle of the 21.11 release.
+
 ## Other Notable Changes
diff --git a/nixos/tests/all-tests.nix b/nixos/tests/all-tests.nix
index f062208a3b6..d8fcbde6bc0 100644
--- a/nixos/tests/all-tests.nix
+++ b/nixos/tests/all-tests.nix
@@ -325,7 +325,6 @@ in
   pgjwt = handleTest ./pgjwt.nix {};
   pgmanage = handleTest ./pgmanage.nix {};
   php = handleTest ./php {};
-  php73 = handleTest ./php { php = pkgs.php73; };
   php74 = handleTest ./php { php = pkgs.php74; };
   php80 = handleTest ./php { php = pkgs.php80; };
   pinnwand = handleTest ./pinnwand.nix {};
diff --git a/pkgs/development/interpreters/php/7.3.nix b/pkgs/development/interpreters/php/7.3.nix
deleted file mode 100644
index 569fb1b5405..00000000000
--- a/pkgs/development/interpreters/php/7.3.nix
+++ /dev/null
@@ -1,20 +0,0 @@
-{ callPackage, lib, stdenv, nixosTests, ... }@_args:
-
-let
-  generic = (import ./generic.nix) _args;
-
-  base = callPackage generic (_args // {
-    version = "7.3.28";
-    sha256 = "0r4r8famg3a8x6ch24y1370nsphkxg4k9zq5x8v88f4l8mj6wqwg";
-
-    # https://bugs.php.net/bug.php?id=76826
-    extraPatches = lib.optional stdenv.isDarwin ./php73-darwin-isfinite.patch;
-  });
-
-in base.withExtensions ({ all, ... }: with all; ([
-  bcmath calendar curl ctype dom exif fileinfo filter ftp gd
-  gettext gmp hash iconv intl json ldap mbstring mysqli mysqlnd
-  opcache openssl pcntl pdo pdo_mysql pdo_odbc pdo_pgsql pdo_sqlite
-  pgsql posix readline session simplexml sockets soap sodium sqlite3
-  tokenizer xmlreader xmlwriter zip zlib
-] ++ lib.optionals (!stdenv.isDarwin) [ imap ]))
diff --git a/pkgs/development/interpreters/php/generic.nix b/pkgs/development/interpreters/php/generic.nix
index 13fd811c4ea..233e1b7007f 100644
--- a/pkgs/development/interpreters/php/generic.nix
+++ b/pkgs/development/interpreters/php/generic.nix
@@ -7,7 +7,7 @@ let
   generic =
     { callPackage, lib, stdenv, nixosTests, fetchurl, makeWrapper
     , symlinkJoin, writeText, autoconf, automake, bison, flex, libtool
-    , pkg-config, re2c, apacheHttpd, libargon2, libxml2, pcre, pcre2
+    , pkg-config, re2c, apacheHttpd, libargon2, libxml2, pcre2
     , systemd, system-sendmail, valgrind, xcbuild
 
     , version
@@ -103,7 +103,7 @@ let
                 ${extraConfig}
               '';
 
-              phpWithExtensions = symlinkJoin rec {
+              phpWithExtensions = symlinkJoin {
                 name = "php-with-extensions-${version}";
                 inherit (php) version;
                 nativeBuildInputs = [ makeWrapper ];
@@ -142,8 +142,6 @@ let
 
         mkWithExtensions = prevArgs: prevExtensionFunctions: extensions:
           mkBuildEnv prevArgs prevExtensionFunctions { inherit extensions; };
-
-        pcre' = if (lib.versionAtLeast version "7.3") then pcre2 else pcre;
       in
         stdenv.mkDerivation {
           pname = "php";
@@ -157,7 +155,7 @@ let
 
           buildInputs =
             # PCRE extension
-            [ pcre' ]
+            [ pcre2 ]
 
             # Enable sapis
             ++ lib.optional pearSupport [ libxml2.dev ]
@@ -176,10 +174,10 @@ let
             [ "--disable-all" ]
 
             # PCRE
-            ++ lib.optionals (lib.versionAtLeast version "7.4") [ "--with-external-pcre=${pcre'.dev}" ]
-            ++ lib.optionals (lib.versions.majorMinor version == "7.3") [ "--with-pcre-regex=${pcre'.dev}" ]
-            ++ lib.optionals (lib.versionOlder version "7.3") [ "--with-pcre-regex=${pcre'.dev}" ]
-            ++ [ "PCRE_LIBDIR=${pcre'}" ]
+            ++ lib.optionals (lib.versionAtLeast version "7.4") [ "--with-external-pcre=${pcre2.dev}" ]
+            ++ lib.optionals (lib.versions.majorMinor version == "7.3") [ "--with-pcre-regex=${pcre2.dev}" ]
+            ++ lib.optionals (lib.versionOlder version "7.3") [ "--with-pcre-regex=${pcre2.dev}" ]
+            ++ [ "PCRE_LIBDIR=${pcre2}" ]
 
 
             # Enable sapis
diff --git a/pkgs/development/interpreters/php/php73-darwin-isfinite.patch b/pkgs/development/interpreters/php/php73-darwin-isfinite.patch
deleted file mode 100644
index 7f784e0f5a9..00000000000
--- a/pkgs/development/interpreters/php/php73-darwin-isfinite.patch
+++ /dev/null
@@ -1,60 +0,0 @@
-diff -ru a/configure.ac b/configure.ac
---- a/configure.ac      2018-12-04 19:12:20.000000000 +0300
-+++ b/configure.ac      2018-12-10 12:30:37.798917520 +0300
-@@ -68,7 +68,7 @@
- #include <math.h>
-
- #ifndef zend_isnan
--#if HAVE_DECL_ISNAN && (!defined(__cplusplus) || __cplusplus < 201103L)
-+#if HAVE_DECL_ISNAN && (defined(__APPLE__) || defined(__APPLE_CC__) || !defined(__cplusplus) || __cplusplus < 201103L)
- #define zend_isnan(a) isnan(a)
- #elif defined(HAVE_FPCLASS)
- #define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
-@@ -77,7 +77,7 @@
- #endif
- #endif
-
--#if HAVE_DECL_ISINF && (!defined(__cplusplus) || __cplusplus < 201103L)
-+#if HAVE_DECL_ISINF && (defined(__APPLE__) || defined(__APPLE_CC__) || !defined(__cplusplus) || __cplusplus < 201103L)
- #define zend_isinf(a) isinf(a)
- #elif defined(INFINITY)
- /* Might not work, but is required by ISO C99 */
-@@ -88,7 +88,7 @@
- #define zend_isinf(a) 0
- #endif
-
--#if HAVE_DECL_ISFINITE && (!defined(__cplusplus) || __cplusplus < 201103L)
-+#if HAVE_DECL_ISFINITE && (defined(__APPLE__) || defined(__APPLE_CC__) || !defined(__cplusplus) || __cplusplus < 201103L)
- #define zend_finite(a) isfinite(a)
- #elif defined(HAVE_FINITE)
- #define zend_finite(a) finite(a)
-diff -ru a/Zend/configure.ac b/Zend/configure.ac
---- a/Zend/configure.ac 2018-12-04 19:12:30.000000000 +0300
-+++ b/Zend/configure.ac 2018-12-10 12:28:50.350929699 +0300
-@@ -59,7 +59,7 @@
- #include <math.h>
-
- #ifndef zend_isnan
--#if HAVE_DECL_ISNAN && (!defined(__cplusplus) || __cplusplus < 201103L)
-+#if HAVE_DECL_ISNAN && (defined(__APPLE__) || defined(__APPLE_CC__) || !defined(__cplusplus) || __cplusplus < 201103L)
- #define zend_isnan(a) isnan(a)
- #elif defined(HAVE_FPCLASS)
- #define zend_isnan(a) ((fpclass(a) == FP_SNAN) || (fpclass(a) == FP_QNAN))
-@@ -68,7 +68,7 @@
- #endif
- #endif
-
--#if HAVE_DECL_ISINF && (!defined(__cplusplus) || __cplusplus < 201103L)
-+#if HAVE_DECL_ISINF && (defined(__APPLE__) || defined(__APPLE_CC__) || !defined(__cplusplus) || __cplusplus < 201103L)
- #define zend_isinf(a) isinf(a)
- #elif defined(INFINITY)
- /* Might not work, but is required by ISO C99 */
-@@ -79,7 +79,7 @@
- #define zend_isinf(a) 0
- #endif
-
--#if HAVE_DECL_ISFINITE && (!defined(__cplusplus) || __cplusplus < 201103L)
-+#if HAVE_DECL_ISFINITE && (defined(__APPLE__) || defined(__APPLE_CC__) || !defined(__cplusplus) || __cplusplus < 201103L)
- #define zend_finite(a) isfinite(a)
- #elif defined(HAVE_FINITE)
- #define zend_finite(a) finite(a)
diff --git a/pkgs/development/php-packages/apcu/default.nix b/pkgs/development/php-packages/apcu/default.nix
index 3301d949c22..5aa8b2b4f9b 100644
--- a/pkgs/development/php-packages/apcu/default.nix
+++ b/pkgs/development/php-packages/apcu/default.nix
@@ -1,4 +1,4 @@
-{ buildPecl, lib, pcre' }:
+{ buildPecl, lib, pcre2 }:
 
 buildPecl {
   pname = "apcu";
@@ -6,7 +6,7 @@ buildPecl {
   version = "5.1.20";
   sha256 = "sha256-uZ1A+v7Ab00TL87lPnUm3b/B0EHqbgThc4nfrSj5w5A=";
 
-  buildInputs = [ pcre' ];
+  buildInputs = [ pcre2 ];
   doCheck = true;
   checkTarget = "test";
   checkFlagsArray = [ "REPORT_EXIT_STATUS=1" "NO_INTERACTION=1" ];
diff --git a/pkgs/development/php-packages/apcu_bc/default.nix b/pkgs/development/php-packages/apcu_bc/default.nix
index a9c34a8d778..448c25bee64 100644
--- a/pkgs/development/php-packages/apcu_bc/default.nix
+++ b/pkgs/development/php-packages/apcu_bc/default.nix
@@ -1,4 +1,4 @@
-{ buildPecl, lib, pcre', php }:
+{ buildPecl, lib, pcre2, php }:
 
 buildPecl {
   pname = "apcu_bc";
@@ -8,7 +8,7 @@ buildPecl {
 
   peclDeps = [ php.extensions.apcu ];
 
-  buildInputs = [ pcre' ];
+  buildInputs = [ pcre2 ];
 
   postInstall = ''
     mv $out/lib/php/extensions/apc.so $out/lib/php/extensions/apcu_bc.so
diff --git a/pkgs/development/php-packages/imagick/default.nix b/pkgs/development/php-packages/imagick/default.nix
index ebff9b00f02..744ba2302f7 100644
--- a/pkgs/development/php-packages/imagick/default.nix
+++ b/pkgs/development/php-packages/imagick/default.nix
@@ -1,4 +1,4 @@
-{ buildPecl, fetchpatch, lib, imagemagick, pkg-config, pcre' }:
+{ buildPecl, fetchpatch, lib, imagemagick, pkg-config, pcre2 }:
 
 buildPecl {
   pname = "imagick";
@@ -21,7 +21,7 @@ buildPecl {
 
   configureFlags = [ "--with-imagick=${imagemagick.dev}" ];
   nativeBuildInputs = [ pkg-config ];
-  buildInputs = [ pcre' ];
+  buildInputs = [ pcre2 ];
 
   meta.maintainers = lib.teams.php.members;
 }
diff --git a/pkgs/development/php-packages/mongodb/default.nix b/pkgs/development/php-packages/mongodb/default.nix
index 95e51892f04..d0e5e545f6b 100644
--- a/pkgs/development/php-packages/mongodb/default.nix
+++ b/pkgs/development/php-packages/mongodb/default.nix
@@ -1,4 +1,4 @@
-{ stdenv, buildPecl, lib, pcre', pkg-config, cyrus_sasl, icu64
+{ stdenv, buildPecl, lib, pcre2, pkg-config, cyrus_sasl, icu64
 , openssl, snappy, zlib, darwin }:
 
 buildPecl {
@@ -14,7 +14,7 @@ buildPecl {
     openssl
     snappy
     zlib
-    pcre'
+    pcre2
   ] ++ lib.optional stdenv.isDarwin darwin.apple_sdk.frameworks.Security;
 
   meta.maintainers = lib.teams.php.members;
diff --git a/pkgs/development/php-packages/pcov/default.nix b/pkgs/development/php-packages/pcov/default.nix
index 1422e1b176d..0583f776e56 100644
--- a/pkgs/development/php-packages/pcov/default.nix
+++ b/pkgs/development/php-packages/pcov/default.nix
@@ -1,4 +1,4 @@
-{ buildPecl, lib, pcre' }:
+{ buildPecl, lib, pcre2 }:
 
 buildPecl {
   pname = "pcov";
@@ -6,7 +6,7 @@ buildPecl {
   version = "1.0.8";
   sha256 = "sha256-6rbniyxLIHPW/e+eWZN1qS8F1rOB7ld1N8JKUS1geRQ=";
 
-  buildInputs = [ pcre' ];
+  buildInputs = [ pcre2 ];
 
   meta.maintainers = lib.teams.php.members;
 }
diff --git a/pkgs/development/php-packages/pinba/default.nix b/pkgs/development/php-packages/pinba/default.nix
index 0880c2a46e2..4c1b42183ba 100644
--- a/pkgs/development/php-packages/pinba/default.nix
+++ b/pkgs/development/php-packages/pinba/default.nix
@@ -1,24 +1,15 @@
 { buildPecl, lib, fetchFromGitHub, php }:
-let
-  pname = "pinba";
-
-  isPhp73 = lib.versionAtLeast php.version "7.3";
 
-  version = if isPhp73 then "1.1.2-dev" else "1.1.1";
+buildPecl {
+  pname = "pinba";
+  version = "1.1.2-dev";
 
-  src = fetchFromGitHub ({
+  src = fetchFromGitHub {
     owner = "tony2001";
     repo = "pinba_extension";
-  } // (if (isPhp73) then {
     rev = "edbc313f1b4fb8407bf7d5acf63fbb0359c7fb2e";
     sha256 = "02sljqm6griw8ccqavl23f7w1hp2zflcv24lpf00k6pyrn9cwx80";
-  } else {
-    rev = "RELEASE_1_1_1";
-    sha256 = "1kdp7vav0y315695vhm3xifgsh6h6y6pny70xw3iai461n58khj5";
-  }));
-in
-buildPecl {
-  inherit pname version src;
+  };
 
   meta = with lib; {
     description = "PHP extension for Pinba";
diff --git a/pkgs/development/php-packages/protobuf/default.nix b/pkgs/development/php-packages/protobuf/default.nix
index e2ef068120d..2112e84cfff 100644
--- a/pkgs/development/php-packages/protobuf/default.nix
+++ b/pkgs/development/php-packages/protobuf/default.nix
@@ -1,4 +1,4 @@
-{ buildPecl, lib, pcre', fetchpatch }:
+{ buildPecl, lib, pcre2, fetchpatch }:
 
 buildPecl {
   pname = "protobuf";
@@ -6,7 +6,7 @@ buildPecl {
   version = "3.14.0";
   sha256 = "1ldc4s28hq61cfg8l4c06pgicj0ng7k37f28a0dnnbs7xkr7cibd";
 
-  buildInputs = [ pcre' ];
+  buildInputs = [ pcre2 ];
 
   patches = [
     # TODO: remove with next update
diff --git a/pkgs/development/php-packages/pthreads/default.nix b/pkgs/development/php-packages/pthreads/default.nix
index 31b32e82967..c1aac8c8424 100644
--- a/pkgs/development/php-packages/pthreads/default.nix
+++ b/pkgs/development/php-packages/pthreads/default.nix
@@ -1,28 +1,18 @@
-{ buildPecl, lib, fetchFromGitHub, php, pcre' }:
-let
-  pname = "pthreads";
-
-  isPhp73 = lib.versionAtLeast php.version "7.3";
-  isPhp74 = lib.versionAtLeast php.version "7.4";
+{ buildPecl, lib, fetchFromGitHub, php, pcre2 }:
 
-  version = if isPhp73 then "3.2.0-dev" else "3.2.0";
+buildPecl {
+  pname = "pthreads";
+  version = "3.2.0-dev";
 
-  src = fetchFromGitHub ({
+  src = fetchFromGitHub {
     owner = "krakjoe";
     repo = "pthreads";
-  } // (if (isPhp73) then {
     rev = "4d1c2483ceb459ea4284db4eb06646d5715e7154";
     sha256 = "07kdxypy0bgggrfav2h1ccbv67lllbvpa3s3zsaqci0gq4fyi830";
-  } else {
-    rev = "v3.2.0";
-    sha256 = "17hypm75d4w7lvz96jb7s0s87018yzmmap0l125d5fd7abnhzfvv";
-  }));
-in
-buildPecl {
-  inherit pname version src;
+  };
 
-  buildInputs = [ pcre'.dev ];
+  buildInputs = [ pcre2.dev ];
 
-  meta.broken = isPhp74;
+  meta.broken = lib.versionAtLeast php.version "7.4";
   meta.maintainers = lib.teams.php.members;
 }
diff --git a/pkgs/development/php-packages/rdkafka/default.nix b/pkgs/development/php-packages/rdkafka/default.nix
index 0e78d3bbc97..c8dea9463d6 100644
--- a/pkgs/development/php-packages/rdkafka/default.nix
+++ b/pkgs/development/php-packages/rdkafka/default.nix
@@ -1,4 +1,4 @@
-{ buildPecl, lib, rdkafka, pcre' }:
+{ buildPecl, lib, rdkafka, pcre2 }:
 
 buildPecl {
   pname = "rdkafka";
@@ -6,7 +6,7 @@ buildPecl {
   version = "5.0.0";
   sha256 = "sha256-Qy+6rkPczhdxFbDhcuzmUTLMPUXYZ0HaheDBhkh4FXs=";
 
-  buildInputs = [ rdkafka pcre' ];
+  buildInputs = [ rdkafka pcre2 ];
 
   postPhpize = ''
     substituteInPlace configure \
diff --git a/pkgs/development/php-packages/snuffleupagus/default.nix b/pkgs/development/php-packages/snuffleupagus/default.nix
index 222a243606f..4318a49a8aa 100644
--- a/pkgs/development/php-packages/snuffleupagus/default.nix
+++ b/pkgs/development/php-packages/snuffleupagus/default.nix
@@ -2,7 +2,7 @@
 , lib
 , php
 , fetchFromGitHub
-, pcre'
+, pcre2
 , fetchpatch
 }:
 
@@ -17,7 +17,7 @@ buildPecl rec {
   };
 
   buildInputs = [
-    pcre'
+    pcre2
   ];
 
   internalDeps = with php.extensions; [
diff --git a/pkgs/development/php-packages/swoole/default.nix b/pkgs/development/php-packages/swoole/default.nix
index b3d43acd1b3..ef228c2ddc3 100644
--- a/pkgs/development/php-packages/swoole/default.nix
+++ b/pkgs/development/php-packages/swoole/default.nix
@@ -1,4 +1,4 @@
-{ lib, buildPecl, php, valgrind, pcre' }:
+{ lib, buildPecl, php, valgrind, pcre2 }:
 
 buildPecl {
   pname = "swoole";
@@ -6,7 +6,7 @@ buildPecl {
   version = "4.6.4";
   sha256 = "0hgndnn27q7fbsb0nw6bfdg0kyy5di9vrmf7g53jc6lsnf73ha31";
 
-  buildInputs = [ valgrind pcre' ];
+  buildInputs = [ valgrind pcre2 ];
   internalDeps = lib.optionals (lib.versionOlder php.version "7.4") [ php.extensions.hash ];
 
   doCheck = true;
diff --git a/pkgs/development/tools/misc/drush/default.nix b/pkgs/development/tools/misc/drush/default.nix
index 32d9975e332..70e7f42c5c2 100644
--- a/pkgs/development/tools/misc/drush/default.nix
+++ b/pkgs/development/tools/misc/drush/default.nix
@@ -1,4 +1,4 @@
-{ lib, stdenv, fetchurl, php73, which, makeWrapper, bash, coreutils, ncurses }:
+{ lib, stdenv, fetchurl, php, which, makeWrapper, bash, coreutils, ncurses }:
 
 stdenv.mkDerivation rec {
   name = "drush-6.1.0";
@@ -32,7 +32,7 @@ stdenv.mkDerivation rec {
     mkdir -p "$out"
     cp -r . "$out/src"
     mkdir "$out/bin"
-    wrapProgram "$out/src/drush" --prefix PATH : "${lib.makeBinPath [ which php73 bash coreutils ncurses ]}"
+    wrapProgram "$out/src/drush" --prefix PATH : "${lib.makeBinPath [ which php bash coreutils ncurses ]}"
     ln -s "$out/src/drush" "$out/bin/drush"
   '';
 }
diff --git a/pkgs/servers/http/unit/default.nix b/pkgs/servers/http/unit/default.nix
index e8d51f9efff..d8e46231b74 100644
--- a/pkgs/servers/http/unit/default.nix
+++ b/pkgs/servers/http/unit/default.nix
@@ -2,7 +2,6 @@
 , pcre2
 , withPython2 ? false, python2
 , withPython3 ? true, python3, ncurses
-, withPHP73 ? false, php73
 , withPHP74 ? true, php74
 , withPerl530 ? false, perl530
 , withPerl532 ? true, perl532
@@ -26,7 +25,6 @@ let
     fpmSupport = false;
   };
 
-  php73-unit = php73.override phpConfig;
   php74-unit = php74.override phpConfig;
 
 in stdenv.mkDerivation rec {
@@ -45,7 +43,6 @@ in stdenv.mkDerivation rec {
   buildInputs = [ pcre2.dev ]
     ++ optional withPython2 python2
     ++ optionals withPython3 [ python3 ncurses ]
-    ++ optional withPHP73 php73-unit
     ++ optional withPHP74 php74-unit
     ++ optional withPerl530 perl530
     ++ optional withPerl532 perl532
@@ -64,13 +61,11 @@ in stdenv.mkDerivation rec {
     ++ optional withDebug   "--debug";
 
   # Optionally add the PHP derivations used so they can be addressed in the configs
-  usedPhp73 = optionals withPHP73 php73-unit;
   usedPhp74 = optionals withPHP74 php74-unit;
 
   postConfigure = ''
     ${optionalString withPython2    "./configure python --module=python2  --config=python2-config  --lib-path=${python2}/lib"}
     ${optionalString withPython3    "./configure python --module=python3  --config=python3-config  --lib-path=${python3}/lib"}
-    ${optionalString withPHP73      "./configure php    --module=php73    --config=${php73-unit.unwrapped.dev}/bin/php-config --lib-path=${php73-unit}/lib"}
     ${optionalString withPHP74      "./configure php    --module=php74    --config=${php74-unit.unwrapped.dev}/bin/php-config --lib-path=${php74-unit}/lib"}
     ${optionalString withPerl530    "./configure perl   --module=perl530  --perl=${perl530}/bin/perl"}
     ${optionalString withPerl532    "./configure perl   --module=perl532  --perl=${perl532}/bin/perl"}
diff --git a/pkgs/top-level/aliases.nix b/pkgs/top-level/aliases.nix
index 4429742fbe6..cd4ad8b1a7a 100644
--- a/pkgs/top-level/aliases.nix
+++ b/pkgs/top-level/aliases.nix
@@ -528,6 +528,11 @@ mapAliases ({
   pgp-tools = signing-party; # added 2017-03-26
   pg_tmp = ephemeralpg; # added 2018-01-16
 
+  # Obsolete PHP version aliases
+  php73 = throw "php73 has been dropped due to the lack of maintanence from upstream for future releases."; # added 2021-06-03
+  php73Packages = php73; # added 2021-06-03
+  php73Extensions = php73; # added 2021-06-03
+
   php-embed = throw ''
     php*-embed has been dropped, you can build something similar
     with the following snippet:
@@ -541,8 +546,8 @@ mapAliases ({
     similar with the following snippet:
     (php74.override { embedSupport = true; apxs2Support = false; }).packages
   ''; # added 2020-04-01
-  php74Packages-embed = phpPackages-embed;
   php73Packages-embed = phpPackages-embed;
+  php74Packages-embed = phpPackages-embed;
 
   php-unit = throw ''
     php*-unit has been dropped, you can build something similar with
@@ -571,8 +576,8 @@ mapAliases ({
       fpmSupport = false;
     }).packages
   ''; # added 2020-04-01
-  php74Packages-unit = phpPackages-unit;
   php73Packages-unit = phpPackages-unit;
+  php74Packages-unit = phpPackages-unit;
 
   pidgin-with-plugins = pidgin; # added 2016-06
   pidginlatex = pidgin-latex; # added 2018-01-08
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 70bfe841573..8a4661c18e3 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -12306,13 +12306,6 @@ in
   php74Extensions = recurseIntoAttrs php74.extensions;
   php74Packages = recurseIntoAttrs php74.packages;
 
-  # Import PHP73 interpreter, extensions and packages
-  php73 = callPackage ../development/interpreters/php/7.3.nix {
-    stdenv = if stdenv.cc.isClang then llvmPackages_6.stdenv else stdenv;
-  };
-  php73Extensions = recurseIntoAttrs php73.extensions;
-  php73Packages = recurseIntoAttrs php73.packages;
-
 
   picoc = callPackage ../development/interpreters/picoc {};
 
diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index f7527d4df2a..e44efb0b952 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -1,6 +1,6 @@
 { stdenv, lib, pkgs, fetchgit, phpPackage, autoconf, pkg-config, re2c
 , gettext, bzip2, curl, libxml2, openssl, gmp, icu64, oniguruma, libsodium
-, html-tidy, libzip, zlib, pcre, pcre2, libxslt, aspell, openldap, cyrus_sasl
+, html-tidy, libzip, zlib, pcre2, libxslt, aspell, openldap, cyrus_sasl
 , uwimap, pam, libiconv, enchant1, libXpm, gd, libwebp, libjpeg, libpng
 , freetype, libffi, freetds, postgresql, sqlite, net-snmp, unixODBC, libedit
 , readline, rsync, fetchpatch, valgrind
@@ -19,8 +19,6 @@ lib.makeScope pkgs.newScope (self: with self; {
     pname = "php-${pname}";
   });
 
-  pcre' = if (lib.versionAtLeast php.version "7.3") then pcre2 else pcre;
-
   php = phpPackage;
 
   # This is a set of interactive tools based on PHP.
@@ -297,8 +295,8 @@ lib.makeScope pkgs.newScope (self: with self; {
         doCheck = false; }
       { name = "exif"; doCheck = false; }
       { name = "ffi"; buildInputs = [ libffi ]; enable = lib.versionAtLeast php.version "7.4"; }
-      { name = "fileinfo"; buildInputs = [ pcre' ]; }
-      { name = "filter"; buildInputs = [ pcre' ]; }
+      { name = "fileinfo"; buildInputs = [ pcre2 ]; }
+      { name = "filter"; buildInputs = [ pcre2 ]; }
       { name = "ftp"; buildInputs = [ openssl ]; }
       { name = "gd";
         buildInputs = [ zlib gd ];
@@ -350,11 +348,10 @@ lib.makeScope pkgs.newScope (self: with self; {
         ];
         doCheck = false; }
       { name = "imap";
-        buildInputs = [ uwimap openssl pam pcre' ];
+        buildInputs = [ uwimap openssl pam pcre2 ];
         configureFlags = [ "--with-imap=${uwimap}" "--with-imap-ssl" ];
         # uwimap doesn't build on darwin.
         enable = (!stdenv.isDarwin); }
-      # interbase (7.3, 7.2)
       { name = "intl";
         buildInputs = [ icu64 ];
         patches = lib.optionals (lib.versionOlder php.version "7.4") [
@@ -377,7 +374,7 @@ lib.makeScope pkgs.newScope (self: with self; {
         ];
         doCheck = false; }
       { name = "mbstring"; buildInputs = [ oniguruma ] ++ lib.optionals (lib.versionAtLeast php.version "8.0") [
-          pcre'
+          pcre2
         ]; doCheck = false; }
       { name = "mysqli";
         internalDeps = [ php.extensions.mysqlnd ];
@@ -425,7 +422,7 @@ lib.makeScope pkgs.newScope (self: with self; {
       # oci8 (7.4, 7.3, 7.2)
       # odbc (7.4, 7.3, 7.2)
       { name = "opcache";
-        buildInputs = [ pcre' ] ++ lib.optionals (!stdenv.isDarwin && lib.versionAtLeast php.version "8.0") [
+        buildInputs = [ pcre2 ] ++ lib.optionals (!stdenv.isDarwin && lib.versionAtLeast php.version "8.0") [
           valgrind.dev
         ];
         patches = lib.optionals (lib.versionOlder php.version "7.4") [
@@ -480,7 +477,7 @@ lib.makeScope pkgs.newScope (self: with self; {
         configureFlags = [ "--with-pdo-sqlite=${sqlite.dev}" ];
         doCheck = false; }
       { name = "pgsql";
-        buildInputs = [ pcre' ];
+        buildInputs = [ pcre2 ];
         configureFlags = [ "--with-pgsql=${postgresql}" ];
         doCheck = false; }
       { name = "posix"; doCheck = false; }
@@ -493,11 +490,10 @@ lib.makeScope pkgs.newScope (self: with self; {
         '';
         doCheck = false;
       }
-      # recode (7.3, 7.2)
       { name = "session"; doCheck = !(lib.versionAtLeast php.version "8.0"); }
       { name = "shmop"; }
       { name = "simplexml";
-        buildInputs = [ libxml2 pcre' ];
+        buildInputs = [ libxml2 pcre2 ];
         configureFlags = [ "--enable-simplexml" ]
           # Required to build on darwin.
           ++ lib.optionals (lib.versionOlder php.version "7.4") [ "--with-libxml-dir=${libxml2.dev}" ]; }
@@ -558,7 +554,7 @@ lib.makeScope pkgs.newScope (self: with self; {
         configureFlags = [ "--with-xsl=${libxslt.dev}" ]; }
       { name = "zend_test"; }
       { name = "zip";
-        buildInputs = [ libzip pcre' ];
+        buildInputs = [ libzip pcre2 ];
         configureFlags = [ "--with-zip" ]
           ++ lib.optionals (lib.versionOlder php.version "7.4") [ "--with-zlib-dir=${zlib.dev}" ]
           ++ lib.optionals (lib.versionOlder php.version "7.3") [ "--with-libzip" ];