diff --git a/src/StaticPHP/Package/PhpExtensionPackage.php b/src/StaticPHP/Package/PhpExtensionPackage.php
index 7064d041..baaa2753 100644
--- a/src/StaticPHP/Package/PhpExtensionPackage.php
+++ b/src/StaticPHP/Package/PhpExtensionPackage.php
@@ -327,6 +327,34 @@ class PhpExtensionPackage extends Package
         }
     }
 
+    /**
+     * Builds the `-d extension_dir=... -d extension=...` string for all resolved shared extensions.
+     * Used in CLI smoke test to load shared extension dependencies at runtime.
+     */
+    public function getSharedExtensionLoadString(): string
+    {
+        $sharedExts = array_filter(
+            $this->getInstaller()->getResolvedPackages(PhpExtensionPackage::class),
+            fn (PhpExtensionPackage $ext) => $ext->isBuildShared() && !$ext->isBuildWithPhp()
+        );
+
+        if (empty($sharedExts)) {
+            return '';
+        }
+
+        $ret = ' -d "extension_dir=' . BUILD_MODULES_PATH . '"';
+        foreach ($sharedExts as $ext) {
+            $extConfig = PackageConfig::get($ext->getName(), 'php-extension', []);
+            if ($extConfig['zend-extension'] ?? false) {
+                $ret .= ' -d "zend_extension=' . $ext->getExtensionName() . '"';
+            } else {
+                $ret .= ' -d "extension=' . $ext->getExtensionName() . '"';
+            }
+        }
+
+        return $ret;
+    }
+
     /**
      * Splits a given string of library flags into static and shared libraries.
      *
@@ -354,34 +382,6 @@ class PhpExtensionPackage extends Package
         return [trim($staticLibString), trim($sharedLibString)];
     }
 
-    /**
-     * Builds the `-d extension_dir=... -d extension=...` string for all resolved shared extensions.
-     * Used in CLI smoke test to load shared extension dependencies at runtime.
-     */
-    private function getSharedExtensionLoadString(): string
-    {
-        $sharedExts = array_filter(
-            $this->getInstaller()->getResolvedPackages(PhpExtensionPackage::class),
-            fn (PhpExtensionPackage $ext) => $ext->isBuildShared() && !$ext->isBuildWithPhp()
-        );
-
-        if (empty($sharedExts)) {
-            return '';
-        }
-
-        $ret = ' -d "extension_dir=' . BUILD_MODULES_PATH . '"';
-        foreach ($sharedExts as $ext) {
-            $extConfig = PackageConfig::get($ext->getName(), 'php-extension', []);
-            if ($extConfig['zend-extension'] ?? false) {
-                $ret .= ' -d "zend_extension=' . $ext->getExtensionName() . '"';
-            } else {
-                $ret .= ' -d "extension=' . $ext->getExtensionName() . '"';
-            }
-        }
-
-        return $ret;
-    }
-
     /**
      * Escape PHP test file content for inline `-r` usage.
      * Strips <?php / declare, replaces newlines and special shell characters.