diff --git a/pkgs/build-support/php/builders/v1/build-composer-project.nix b/pkgs/build-support/php/builders/v1/build-composer-project.nix
index 698391ad1603..912fe7d72f3c 100644
--- a/pkgs/build-support/php/builders/v1/build-composer-project.nix
+++ b/pkgs/build-support/php/builders/v1/build-composer-project.nix
@@ -94,12 +94,6 @@ let
             or (if finalAttrs.composerRepository.composerLock == null then nix-update-script { } else null);
       };
 
-      env = {
-        COMPOSER_CACHE_DIR = "/dev/null";
-        COMPOSER_DISABLE_NETWORK = "1";
-        COMPOSER_MIRROR_PATH_REPOS = "1";
-      };
-
       meta = previousAttrs.meta or { } // {
         platforms = lib.platforms.all;
       };
diff --git a/pkgs/build-support/php/builders/v1/build-composer-repository.nix b/pkgs/build-support/php/builders/v1/build-composer-repository.nix
index 037d8bdeb3eb..c16056ce8fdf 100644
--- a/pkgs/build-support/php/builders/v1/build-composer-repository.nix
+++ b/pkgs/build-support/php/builders/v1/build-composer-repository.nix
@@ -102,13 +102,6 @@ let
           runHook postInstallCheck
         '';
 
-      env = {
-        COMPOSER_CACHE_DIR = "/dev/null";
-        COMPOSER_MIRROR_PATH_REPOS = "1";
-        COMPOSER_HTACCESS_PROTECT = "0";
-        COMPOSER_DISABLE_NETWORK = "0";
-      };
-
       outputHashMode = "recursive";
       outputHashAlgo =
         if (finalAttrs ? vendorHash && finalAttrs.vendorHash != "") then null else "sha256";
diff --git a/pkgs/build-support/php/builders/v1/build-composer-with-plugin.nix b/pkgs/build-support/php/builders/v1/build-composer-with-plugin.nix
index 060b51241e6c..e199000f4f7b 100644
--- a/pkgs/build-support/php/builders/v1/build-composer-with-plugin.nix
+++ b/pkgs/build-support/php/builders/v1/build-composer-with-plugin.nix
@@ -149,12 +149,6 @@ let
             or (if finalAttrs.vendor.composerLock == null then nix-update-script { } else null);
       };
 
-      env = {
-        COMPOSER_CACHE_DIR = "/dev/null";
-        COMPOSER_DISABLE_NETWORK = "1";
-        COMPOSER_MIRROR_PATH_REPOS = "1";
-      };
-
       meta = previousAttrs.meta or composer.meta;
     };
 in
diff --git a/pkgs/build-support/php/builders/v1/hooks/composer-install-hook.sh b/pkgs/build-support/php/builders/v1/hooks/composer-install-hook.sh
index 44e87d06d3a5..1301fca0f058 100644
--- a/pkgs/build-support/php/builders/v1/hooks/composer-install-hook.sh
+++ b/pkgs/build-support/php/builders/v1/hooks/composer-install-hook.sh
@@ -100,6 +100,7 @@ composerInstallInstallHook() {
     echo "Executing composerInstallInstallHook"
 
     setComposeRootVersion
+    setComposeEnvVariables
 
     # Finally, run `composer install` to install the dependencies and generate
     # the autoloader.
diff --git a/pkgs/build-support/php/builders/v1/hooks/php-script-utils.bash b/pkgs/build-support/php/builders/v1/hooks/php-script-utils.bash
index 65c0a3b410f6..a64086a68eef 100644
--- a/pkgs/build-support/php/builders/v1/hooks/php-script-utils.bash
+++ b/pkgs/build-support/php/builders/v1/hooks/php-script-utils.bash
@@ -13,6 +13,13 @@ setComposeRootVersion() {
     set -e
 }
 
+setComposeEnvVariables() {
+    echo -e "\e[32mSetting some required environment variables for Composer...\e[0m"
+    export COMPOSER_MIRROR_PATH_REPOS=1
+    export COMPOSER_CACHE_DIR=/dev/null
+    export COMPOSER_HTACCESS_PROTECT=0
+}
+
 checkComposerValidate() {
     setComposeRootVersion
 
diff --git a/pkgs/build-support/php/builders/v2/build-composer-project.nix b/pkgs/build-support/php/builders/v2/build-composer-project.nix
index 6013225e7c59..bfbd2327812b 100644
--- a/pkgs/build-support/php/builders/v2/build-composer-project.nix
+++ b/pkgs/build-support/php/builders/v2/build-composer-project.nix
@@ -94,12 +94,6 @@ let
             or (if finalAttrs.composerVendor.composerLock == null then nix-update-script { } else null);
       };
 
-      env = {
-        COMPOSER_CACHE_DIR = "/dev/null";
-        COMPOSER_DISABLE_NETWORK = "1";
-        COMPOSER_MIRROR_PATH_REPOS = "1";
-      };
-
       meta = previousAttrs.meta or { } // {
         platforms = lib.platforms.all;
       };
diff --git a/pkgs/build-support/php/builders/v2/build-composer-vendor.nix b/pkgs/build-support/php/builders/v2/build-composer-vendor.nix
index b68e16e6cc1a..cbbe643d20f1 100644
--- a/pkgs/build-support/php/builders/v2/build-composer-vendor.nix
+++ b/pkgs/build-support/php/builders/v2/build-composer-vendor.nix
@@ -87,13 +87,6 @@ let
           runHook postInstallCheck
         '';
 
-      env = {
-        COMPOSER_CACHE_DIR = "/dev/null";
-        COMPOSER_MIRROR_PATH_REPOS = "1";
-        COMPOSER_HTACCESS_PROTECT = "0";
-        COMPOSER_DISABLE_NETWORK = "0";
-      };
-
       outputHashMode = "recursive";
       outputHashAlgo =
         if (finalAttrs ? vendorHash && finalAttrs.vendorHash != "") then null else "sha256";
diff --git a/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh b/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh
index 21df071e28a2..14522f27a07e 100644
--- a/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh
+++ b/pkgs/build-support/php/builders/v2/hooks/composer-vendor-hook.sh
@@ -59,6 +59,8 @@ composerVendorConfigureHook() {
 composerVendorBuildHook() {
     echo "Executing composerVendorBuildHook"
 
+    setComposeEnvVariables
+
     composer \
         `# The acpu-autoloader is not reproducible and has to be disabled.` \
         `# Upstream PR: https://github.com/composer/composer/pull/12090` \
diff --git a/pkgs/build-support/php/builders/v2/hooks/php-script-utils.bash b/pkgs/build-support/php/builders/v2/hooks/php-script-utils.bash
index 3e8299bf15d3..1ff248a1c111 100644
--- a/pkgs/build-support/php/builders/v2/hooks/php-script-utils.bash
+++ b/pkgs/build-support/php/builders/v2/hooks/php-script-utils.bash
@@ -13,6 +13,13 @@ setComposeRootVersion() {
     set -e
 }
 
+setComposeEnvVariables() {
+    echo -e "\e[32mSetting some required environment variables for Composer...\e[0m"
+    export COMPOSER_MIRROR_PATH_REPOS=1
+    export COMPOSER_CACHE_DIR=/dev/null
+    export COMPOSER_HTACCESS_PROTECT=0
+}
+
 checkComposerValidate() {
     if [ "1" == "${composerGlobal-}" ]; then
       global="global";