diff --git a/pkgs/development/interpreters/php/default.nix b/pkgs/development/interpreters/php/default.nix
index 4778f08560d..a58025c42ac 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 ]
@@ -114,7 +115,8 @@ let
         "--with-config-file-scan-dir=/etc/php.d"
       ]
       ++ optional (versionOlder version "7.3") "--with-pcre-regex=${pcre.dev} PCRE_LIBDIR=${pcre}"
-      ++ optional (versionAtLeast version "7.3") "--with-pcre-regex=${pcre2.dev} PCRE_LIBDIR=${pcre2}"
+      ++ optional (versions.majorMinor version == "7.3") "--with-pcre-regex=${pcre2.dev} PCRE_LIBDIR=${pcre2}"
+      ++ optional (versionAtLeast version "7.4") "--with-external-pcre=${pcre2.dev} PCRE_LIBDIR=${pcre2}"
       ++ optional stdenv.isDarwin "--with-iconv=${libiconv}"
       ++ optional withSystemd "--with-fpm-systemd"
       ++ optionals imapSupport [
@@ -133,10 +135,11 @@ let
       ++ optional mhashSupport "--with-mhash"
       ++ optional curlSupport "--with-curl=${curl.dev}"
       ++ optional zlibSupport "--with-zlib=${zlib.dev}"
-      ++ optional libxml2Support "--with-libxml-dir=${libxml2.dev}"
+      ++ optional (libxml2Support && (versionOlder version "7.4")) "--with-libxml-dir=${libxml2.dev}"
       ++ optional (!libxml2Support) [
         "--disable-dom"
         "--disable-libxml"
+        (if (versionOlder version "7.4") then "--disable-libxml" else "--without-libxml")
         "--disable-simplexml"
         "--disable-xml"
         "--disable-xmlreader"
@@ -156,7 +159,12 @@ let
       ++ optional ( pdo_mysqlSupport || mysqliSupport ) "--with-mysql-sock=/run/mysqld/mysqld.sock"
       ++ optional bcmathSupport "--enable-bcmath"
       # FIXME: Our own gd package doesn't work, see https://bugs.php.net/bug.php?id=60108.
-      ++ optionals gdSupport [
+      ++ optionals (gdSupport && versionAtLeast version "7.4") [
+        "--enable-gd"
+        "--with-jpeg=${libjpeg.dev}"
+        "--with-freetype=${freetype.dev}"
+        "--enable-gd-jis-conv"
+      ] ++ optionals (gdSupport && versionOlder version "7.4") [
         "--with-gd"
         "--with-freetype-dir=${freetype.dev}"
         "--with-png-dir=${libpng.dev}"
@@ -173,7 +181,7 @@ let
       ++ optional xslSupport "--with-xsl=${libxslt.dev}"
       ++ optional mcryptSupport "--with-mcrypt=${libmcrypt'}"
       ++ optional bz2Support "--with-bz2=${bzip2.dev}"
-      ++ optional zipSupport "--enable-zip"
+      ++ optional (zipSupport && (versionOlder version "7.4")) "--enable-zip"
       ++ optional ftpSupport "--enable-ftp"
       ++ optional fpmSupport "--enable-fpm"
       ++ optional ztsSupport "--enable-maintainer-zts"
@@ -181,7 +189,7 @@ let
       ++ optional sodiumSupport "--with-sodium=${libsodium.dev}"
       ++ optional tidySupport "--with-tidy=${html-tidy}"
       ++ optional argon2Support "--with-password-argon2=${libargon2}"
-      ++ optional libzipSupport "--with-libzip=${libzip.dev}"
+      ++ optional (libzipSupport && (versionOlder version "7.4")) "--with-libzip=${libzip.dev}"
       ++ optional phpdbgSupport "--enable-phpdbg"
       ++ optional (!phpdbgSupport) "--disable-phpdbg"
       ++ optional (!cgiSupport) "--disable-cgi"
@@ -268,4 +276,9 @@ in {
     # https://bugs.php.net/bug.php?id=76826
     extraPatches = optional stdenv.isDarwin ./php73-darwin-isfinite.patch;
   };
+
+  php74 = generic {
+    version = "7.4.0";
+    sha256 = "1h01bahvcm9kgm5jqhm2j9k9d4q4rpfkkpqk00c47rirdblnn85z";
+  };
 }
diff --git a/pkgs/top-level/all-packages.nix b/pkgs/top-level/all-packages.nix
index 15f43e0977f..c6130718ceb 100644
--- a/pkgs/top-level/all-packages.nix
+++ b/pkgs/top-level/all-packages.nix
@@ -9093,6 +9093,10 @@ in
     php = php73;
   });
 
+  php74Packages = recurseIntoAttrs (callPackage ./php-packages.nix {
+    php = php74;
+  });
+
   phpPackages-unit = php72Packages-unit;
 
   php72Packages-unit = recurseIntoAttrs (callPackage ./php-packages.nix {
@@ -9103,11 +9107,16 @@ in
     php = php73-unit;
   });
 
+  php74Packages-unit = recurseIntoAttrs (callPackage ./php-packages.nix {
+    php = php74-unit;
+  });
+
   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;
 
@@ -9121,6 +9130,11 @@ in
     config.php.apxs2 = false;
   };
 
+  php74-embed = php74.override {
+    config.php.embed = true;
+    config.php.apxs2 = false;
+  };
+
   php-unit = php73-unit;
 
   php72-unit = php72.override {
@@ -9141,6 +9155,15 @@ in
     config.php.fpm = false;
   };
 
+  php74-unit = php74.override {
+    config.php.embed = true;
+    config.php.apxs2 = false;
+    config.php.systemd = false;
+    config.php.phpdbg = false;
+    config.php.cgi = false;
+    config.php.fpm = false;
+  };
+
   picoc = callPackage ../development/interpreters/picoc {};
 
   picolisp = callPackage ../development/interpreters/picolisp {};
diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index cdb1c19bce5..41db7109d9f 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -14,12 +14,13 @@ let
     });
 
   isPhp73 = pkgs.lib.versionAtLeast php.version "7.3";
+  isPhp74 = pkgs.lib.versionAtLeast php.version "7.4";
 
   apcu = buildPecl {
-    version = "5.1.17";
+    version = "5.1.18";
     pname = "apcu";
 
-    sha256 = "14y7alvj5q17q1b544bxidavkn6i40cjbq2nv1m0k70ai5vv84bb";
+    sha256 = "0ayykd4hfvdzk7qnr5k6yq5scwf6rb2i05xscfv76q5dmkkynvfl";
 
     buildInputs = [ (if isPhp73 then pkgs.pcre2 else pkgs.pcre) ];
     doCheck = true;
@@ -140,6 +141,8 @@ let
              AC_MSG_WARN([Cannot find igbinary.h])
       '')
     ];
+
+    meta.broken = isPhp74; # Build error
   };
 
   event = buildPecl {
@@ -259,6 +262,8 @@ let
     pname = "pcs";
 
     sha256 = "0d4p1gpl8gkzdiv860qzxfz250ryf0wmjgyc8qcaaqgkdyh5jy5p";
+
+    meta.broken = isPhp74; # Build error
   };
 
   pdo_sqlsrv = buildPecl {
@@ -268,6 +273,8 @@ let
     sha256 = "02ill1iqffa5fha9iz4y91823scml24ikfk8pn90jyycfwv07x6a";
 
     buildInputs = [ pkgs.unixODBC ];
+
+    meta.broken = isPhp74; # Build error
   };
 
   php-cs-fixer = mkDerivation rec {
@@ -492,6 +499,7 @@ let
       '';
       license = licenses.bsd3;
       homepage = "https://developers.google.com/protocol-buffers/";
+      broken = isPhp74; # Build error
     };
   };
 
@@ -592,6 +600,8 @@ let
     sha256 = "0ial621zxn9zvjh7k1h755sm2lc9aafc389yxksqcxcmm7kqmd0a";
 
     buildInputs = [ pkgs.unixODBC ];
+
+    meta.broken = isPhp74; # Build error
   };
 
   v8 = buildPecl {
@@ -617,10 +627,10 @@ let
   };
 
   xdebug = buildPecl {
-    version = "2.7.1";
+    version = "2.8.0";
     pname = "xdebug";
 
-    sha256 = "1hr4gy87a3gp682ggwp831xk1fxasil9wan8cxv23q3m752x3sdp";
+    sha256 = "0r62501fdp63zz81scz2x1pq3qzpjafya96g12j0jx7crdz127fb";
 
     doCheck = true;
     checkTarget = "test";