diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 4778f08560df..373cbae262a7 100644
--- a/pkgs/development/interpreters/php/default.nix
+++ b/pkgs/development/interpreters/php/default.nix
@@ -4,7 +4,7 @@
 , openssl, pcre, pcre2, sqlite, config, libjpeg, libpng, freetype
 , libxslt, libmcrypt, bzip2, icu, openldap, cyrus_sasl, libmhash, unixODBC
 , uwimap, pam, gmp, apacheHttpd, libiconv, systemd, libsodium, html-tidy, libargon2
-, libzip, valgrind
+, libzip, valgrind, oniguruma
 }:
 
 with lib;
@@ -78,6 +78,7 @@ let
       buildInputs = [ ]
         ++ optional (versionOlder version "7.3") pcre
         ++ optional (versionAtLeast version "7.3") pcre2
+        ++ optional (versionAtLeast version "7.4") oniguruma
         ++ optional withSystemd systemd
         ++ optionals imapSupport [ uwimap openssl pam ]
         ++ optionals curlSupport [ curl openssl ]
@@ -268,4 +269,16 @@ in {
     # https://bugs.php.net/bug.php?id=76826
     extraPatches = optional stdenv.isDarwin ./php73-darwin-isfinite.patch;
   };
+
+  php74 = let
+    version = "7.4.0RC6";
+    sha256 = "1q20ax5mphypq7dwxd509lzca6m0rcxkzmcbkc6kg4bw6gvnjkyv";
+  in (generic {
+    inherit version sha256;
+  }).overrideAttrs(oa: {
+    src = fetchurl {
+      url = "https://downloads.php.net/~derick/php-${version}.tar.bz2";
+      inherit sha256;
+    };
+  });
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 0656fb7d322f..727df4f3a215 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9091,8 +9091,9 @@ in
   inherit (callPackages ../development/interpreters/php {
     stdenv = if stdenv.cc.isClang then llvmPackages_6.stdenv else stdenv;
   })
-    php72
-    php73;
+    php74
+    php73
+    php72;
 
   php-embed = php73-embed;