--TEST-- Bug #25665 (var_dump () hangs on Nan and INF) --SKIPIF-- <?php $OS = strtoupper(PHP_OS); if ($OS == 'SUNOS' || $OS == 'SOLARIS') die("SKIP Solaris acos() returns wrong value"); ?> --FILE-- <?php set_time_limit(5); var_dump(acos(1.01)); var_dump(log(0)); ?> --EXPECT-- float(NAN) float(-INF)