diff --git a/pkgs/top-level/php-packages.nix b/pkgs/top-level/php-packages.nix
index 2be6447f83be..78833e89b138 100644
--- a/pkgs/top-level/php-packages.nix
+++ b/pkgs/top-level/php-packages.nix
@@ -203,7 +203,20 @@ lib.makeScope pkgs.newScope (self: with self; {
   # This is a set of PHP extensions meant to be used in php.buildEnv
   # or php.withExtensions to extend the functionality of the PHP
   # interpreter.
-  extensions = {
+  # The extensions attributes is composed of three sections:
+  # 1. The contrib conditional extensions, which are only available on specific versions or system
+  # 2. The contrib extensions available
+  # 3. The core extensions
+  extensions =
+  # Contrib conditional extensions
+   lib.optionalAttrs (!(lib.versionAtLeast php.version "8.3")) {
+    blackfire = callPackage ../development/tools/misc/blackfire/php-probe.nix { inherit php; };
+  } // lib.optionalAttrs (!stdenv.isDarwin) {
+    # Only available on Linux: https://www.php.net/manual/en/inotify.requirements.php
+    inotify = callPackage ../development/php-packages/inotify { };
+  } //
+  # Contrib extensions
+  {
     amqp = callPackage ../development/php-packages/amqp { };
 
     apcu = callPackage ../development/php-packages/apcu { };
@@ -226,8 +239,6 @@ lib.makeScope pkgs.newScope (self: with self; {
 
     imagick = callPackage ../development/php-packages/imagick { };
 
-    inotify = callPackage ../development/php-packages/inotify { };
-
     mailparse = callPackage ../development/php-packages/mailparse { };
 
     maxminddb = callPackage ../development/php-packages/maxminddb { };
@@ -292,6 +303,7 @@ lib.makeScope pkgs.newScope (self: with self; {
 
     yaml = callPackage ../development/php-packages/yaml { };
   } // (
+    # Core extensions
     let
       # This list contains build instructions for different modules that one may
       # want to build.
@@ -637,7 +649,5 @@ lib.makeScope pkgs.newScope (self: with self; {
       # Produce the final attribute set of all extensions defined.
     in
     builtins.listToAttrs namedExtensions
-  ) // lib.optionalAttrs (!(lib.versionAtLeast php.version "8.3")) {
-    blackfire = callPackage ../development/tools/misc/blackfire/php-probe.nix { inherit php; };
-  };
+  );
 })