php_is_dir_ok     146 TSRM/tsrm_virtual_cwd.c #define IS_DIR_OK(state) (php_is_dir_ok(state) == 0)
php_is_dir_ok    1361 TSRM/tsrm_virtual_cwd.c 	return virtual_file_ex(&CWDG(cwd), path, php_is_dir_ok, CWD_REALPATH TSRMLS_CC)?-1:0;