diff --git a/Zend/tests/arginfo_zpp_mismatch.phpt b/Zend/tests/arginfo_zpp_mismatch.phpt
index d7aefc6f374f6..cb40eecb47e66 100644
--- a/Zend/tests/arginfo_zpp_mismatch.phpt
+++ b/Zend/tests/arginfo_zpp_mismatch.phpt
@@ -5,9 +5,11 @@ Test that there is no arginfo/zpp mismatch
 if (getenv('SKIP_ASAN')) die("skip Intermittently crashes lsan");
 if (getenv('SKIP_MSAN')) die("skip msan misses interceptors for some functions");
 ?>
+--EXTENSIONS--
+*
 --FILE--
 <?php
-
+var_dump(get_loaded_extensions());
 require __DIR__ . "/arginfo_zpp_mismatch.inc";
 
 function test($function) {
diff --git a/Zend/tests/arginfo_zpp_mismatch_strict.phpt b/Zend/tests/arginfo_zpp_mismatch_strict.phpt
index ddee0bd29cfe4..244856fff1194 100644
--- a/Zend/tests/arginfo_zpp_mismatch_strict.phpt
+++ b/Zend/tests/arginfo_zpp_mismatch_strict.phpt
@@ -5,6 +5,8 @@ Test that there is no arginfo/zpp mismatch in strict mode
 if (getenv('SKIP_ASAN')) die("skip Intermittently crashes lsan");
 if (getenv('SKIP_MSAN')) die("skip msan misses interceptors for some functions");
 ?>
+--EXTENSIONS--
+*
 --FILE--
 <?php
 
diff --git a/Zend/tests/instantiate_all_classes.phpt b/Zend/tests/instantiate_all_classes.phpt
index b8d82530f320a..75f220f33c16f 100644
--- a/Zend/tests/instantiate_all_classes.phpt
+++ b/Zend/tests/instantiate_all_classes.phpt
@@ -1,5 +1,7 @@
 --TEST--
 Try to instantiate all classes without arguments
+--EXTENSIONS--
+*
 --FILE--
 <?php
 
diff --git a/Zend/tests/new_oom.phpt b/Zend/tests/new_oom.phpt
index a424e12b4eab9..a13a981b73f68 100644
--- a/Zend/tests/new_oom.phpt
+++ b/Zend/tests/new_oom.phpt
@@ -5,6 +5,8 @@ Test OOM on new of each class
 if (getenv("USE_ZEND_ALLOC") === "0") die("skip requires zmm");
 if (getenv("SKIP_SLOW_TESTS")) die('skip slow test');
 ?>
+--EXTENSIONS--
+*
 --FILE--
 <?php
 
diff --git a/Zend/tests/weakrefs/notify.phpt b/Zend/tests/weakrefs/notify.phpt
index 1390c7b435a59..94ca6face43c5 100644
--- a/Zend/tests/weakrefs/notify.phpt
+++ b/Zend/tests/weakrefs/notify.phpt
@@ -1,5 +1,7 @@
 --TEST--
 Object free handler must call zend_weakrefs_notify
+--EXTENSIONS--
+*
 --FILE--
 <?php
 
diff --git a/run-tests.php b/run-tests.php
index 0dee752d32044..a3c188ea3ffbe 100755
--- a/run-tests.php
+++ b/run-tests.php
@@ -865,8 +865,13 @@ function write_information(array $user_tests, $phpdbg): void
         <?php
         $exts = get_loaded_extensions();
         $ext_dir = ini_get('extension_dir');
+        if (PHP_OS_FAMILY !== "Windows") {
+            $regex = '/^([_a-zA-Z0-9]+)\.so$/';
+        } else {
+            $regex = '/^(?:php_)([_a-zA-Z0-9]+)\.dll$/';
+        }
         foreach (scandir($ext_dir) as $file) {
-            if (preg_match('/^(?:php_)?([_a-zA-Z0-9]+)\.(?:so|dll)$/', $file, $matches)) {
+            if (preg_match($regex, $file, $matches)) {
                 if (!extension_loaded($matches[1])) {
                     $exts[] = $matches[1];
                 }
@@ -1813,6 +1818,7 @@ function run_test(string $php, $file, array $env): string
     global $slow_min_ms;
     global $preload, $file_cache;
     global $num_repeats;
+    global $exts_to_test;
     // Parallel testing
     global $workerID;
     global $show_progress;
@@ -2027,6 +2033,9 @@ function run_test(string $php, $file, array $env): string
     $extensions = [];
     if ($test->hasSection('EXTENSIONS')) {
         $extensions = preg_split("/[\n\r]+/", trim($test->getSection('EXTENSIONS')));
+        if (in_array("*", $extensions, true)) {
+            $extensions = $exts_to_test;
+        }
     }
     if (is_array($IN_REDIRECT) && $IN_REDIRECT['EXTENSIONS'] != []) {
         $extensions = array_merge($extensions, $IN_REDIRECT['EXTENSIONS']);