--TEST-- testing integer underflow (32bit) --SKIPIF-- <?php if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only"); ?> --FILE-- <?php $doubles = array( -2147483648, -2147483649, -2147483658, -2147483748, -2147484648, ); foreach ($doubles as $d) { $l = (int)$d; var_dump($l); } echo "Done\n"; ?> --EXPECT-- int(-2147483648) int(2147483647) int(2147483638) int(2147483548) int(2147482648) Done