now it works for me as CGI and APXS, with or without --enable-debug ...

ext/standard/basic_functions.c

@@ -746,6 +746,12 @@ PHP_MSHUTDOWN_FUNCTION(basic)
 	ts_free_id(basic_globals_id);
 #endif
 
+	if(PG(allow_url_fopen)) {
+		php_unregister_url_wrapper("http");
+		php_unregister_url_wrapper("ftp");
+		php_unregister_url_wrapper("php");
+	}
+
 	UNREGISTER_INI_ENTRIES();
 
 	PHP_MSHUTDOWN(regex)(SHUTDOWN_FUNC_ARGS_PASSTHRU);
@@ -754,11 +760,6 @@ PHP_MSHUTDOWN_FUNCTION(basic)
 	PHP_MSHUTDOWN(array)(SHUTDOWN_FUNC_ARGS_PASSTHRU);
 	PHP_MSHUTDOWN(assert)(SHUTDOWN_FUNC_ARGS_PASSTHRU);
 
-	if(PG(allow_url_fopen)) {
-		php_unregister_url_wrapper("http");
-		php_unregister_url_wrapper("ftp");
-		php_unregister_url_wrapper("php");
-	}
 
 	return SUCCESS;	
 }

main/fopen_wrappers.c

@@ -110,9 +110,8 @@ PHPAPI int php_unregister_url_wrapper(char *protocol)
 
 int php_init_fopen_wrappers(void) 
 {
-	PLS_FETCH();
-
 	int status = SUCCESS;
+	PLS_FETCH();
 
 	if(PG(allow_url_fopen)) {
 		if (zend_hash_init(&fopen_url_wrappers_hash, 0, NULL, NULL, 1)==FAILURE) {

main/main.c

@@ -916,8 +916,6 @@ void php_module_shutdown()
 		return;
 	}
 
-	php_shutdown_fopen_wrappers();
-
 	/* close down the ini config */
 	php_config_ini_shutdown();
 
@@ -931,6 +929,7 @@ void php_module_shutdown()
 
 	global_lock_destroy();
 	zend_shutdown();
+	php_shutdown_fopen_wrappers();
 	UNREGISTER_INI_ENTRIES();
 	php_ini_mshutdown();
 	shutdown_memory_manager(0, 1);