do not skip lookup on unloadable exts

Author: mvorisek

run-tests.php

@@ -1083,17 +1083,17 @@ function get_binary(string $php, string $sapi, string $sapi_path): ?string
 
 function find_files(string $dir, bool $is_ext_dir = false, bool $ignore = false): void
 {
-    global $test_files, $exts_to_test, $ignored_by_ext, $exts_skipped;
+    global $test_files, $ignored_by_ext;
 
     $o = opendir($dir) or error("cannot open directory: $dir");
 
     while (($name = readdir($o)) !== false) {
-        if (is_dir("{$dir}/{$name}") && !in_array($name, ['.', '..', '.svn'])) {
-            $skip_ext = ($is_ext_dir && !in_array(strtolower($name), $exts_to_test));
-            if ($skip_ext) {
-                $exts_skipped[] = $name;
-            }
-            find_files("{$dir}/{$name}", false, $ignore || $skip_ext);
+        if (in_array($name, ['.', '..', '.svn', '.git'])) {
+            continue;
+        }
+
+        if (is_dir("{$dir}/{$name}")) {
+            find_files("{$dir}/{$name}", false, $ignore);
         }
 
         // Cleanup any left-over tmp files from last run.
@@ -3737,10 +3737,10 @@ public function getExtensions(string $php): array
 
         $extDir = `$php -d display_errors=0 -r "echo ini_get('extension_dir');"`;
         $extensions = explode(",", `$php -d display_errors=0 -r "echo implode(',', get_loaded_extensions());"`);
-        $extensions = array_map('strtolower', $extensions);
-        if (in_array('zend opcache', $extensions)) {
+        if (in_array('Zend OPcache', $extensions)) {
             $extensions[] = 'opcache';
         }
+        $extensions = array_map('strtolower', $extensions);
 
         $result = [$extDir, $extensions];
         $this->extensions[$php] = $result;