diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index 3fa17b35853..8795f855691 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -19,7 +19,6 @@
 , html-tidy
 , icu64
 , libXpm
-, libedit
 , libffi
 , libiconv
 , libjpeg
@@ -80,16 +79,29 @@ lib.makeScope pkgs.newScope (self: with self; {
       pname = "php-${name}";
       extensionName = name;
 
+      outputs = [ "out" "dev" ];
+
       inherit (php.unwrapped) version src;
-      sourceRoot = "php-${php.version}/ext/${name}";
 
       enableParallelBuilding = true;
-      nativeBuildInputs = [ php.unwrapped autoconf pkg-config re2c ];
-      inherit configureFlags internalDeps buildInputs
-        zendExtension doCheck;
 
-      prePatch = "pushd ../..";
-      postPatch = "popd";
+      nativeBuildInputs = [
+        php.unwrapped
+        autoconf
+        pkg-config
+        re2c
+      ];
+
+      inherit configureFlags internalDeps buildInputs zendExtension doCheck;
+
+      preConfigurePhases = [
+        "cdToExtensionRootPhase"
+      ];
+
+      cdToExtensionRootPhase = ''
+        # Go to extension source root.
+        cd "ext/${name}"
+      '';
 
       preConfigure = ''
         nullglobRestore=$(shopt -p nullglob)
@@ -101,19 +113,28 @@ lib.makeScope pkgs.newScope (self: with self; {
         fi
 
         $nullglobRestore
+
         phpize
         ${postPhpize}
-        ${lib.concatMapStringsSep "\n"
+
+        ${lib.concatMapStringsSep
+          "\n"
           (dep: "mkdir -p ext; ln -s ${dep.dev}/include ext/${dep.extensionName}")
-          internalDeps}
+          internalDeps
+        }
       '';
+
       checkPhase = ''
         runHook preCheck
+
         NO_INTERACTON=yes SKIP_PERF_SENSITIVE=yes make test
+
         runHook postCheck
       '';
-      outputs = [ "out" "dev" ];
+
       installPhase = ''
+        runHook preInstall
+
         mkdir -p $out/lib/php/extensions
         cp modules/${name}.so $out/lib/php/extensions/${name}.so
         mkdir -p $dev/include
@@ -122,6 +143,8 @@ lib.makeScope pkgs.newScope (self: with self; {
                               --filter="- *" \
                               --prune-empty-dirs \
                               . $dev/include/
+
+        runHook postInstall
       '';
 
       meta = {
@@ -520,10 +543,23 @@ lib.makeScope pkgs.newScope (self: with self; {
         { name = "pspell"; configureFlags = [ "--with-pspell=${aspell}" ]; }
         {
           name = "readline";
-          buildInputs = [ libedit readline ];
-          configureFlags = [ "--with-readline=${readline.dev}" ];
-          postPhpize = lib.optionalString (lib.versionOlder php.version "7.4") ''
-            substituteInPlace configure --replace 'as_fn_error $? "Please reinstall libedit - I cannot find readline.h" "$LINENO" 5' ':'
+          buildInputs = [
+            readline
+          ];
+          configureFlags = [
+            "--with-readline=${readline.dev}"
+          ];
+          postPatch = ''
+            # Fix `--with-readline` option not being available.
+            # `PHP_ALWAYS_SHARED` generated by phpize enables all options
+            # without the possibility to override them. But when `--with-libedit`
+            # is enabled, `--with-readline` is not registered.
+            echo '
+            AC_DEFUN([PHP_ALWAYS_SHARED],[
+              test "[$]$1" != "no" && ext_shared=yes
+            ])dnl
+            ' | cat - ext/readline/config.m4 > ext/readline/config.m4.tmp
+            mv ext/readline/config.m4{.tmp,}
           '';
           doCheck = false;
         }