--TEST-- testing integer overflow (64bit) --SKIPIF-- <?php if (PHP_INT_SIZE != 8) die("skip this test is for 64bit platform only"); ?> --FILE-- <?php $doubles = array( PHP_INT_MAX, PHP_INT_MAX + 1, PHP_INT_MAX + 1000, PHP_INT_MAX * 2 + 4, -PHP_INT_MAX -1, -PHP_INT_MAX -2, -PHP_INT_MAX -1000, ); foreach ($doubles as $d) { $l = (int)$d; var_dump($l); } echo "Done\n"; ?> --EXPECT-- int(9223372036854775807) int(-9223372036854775808) int(-9223372036854775808) int(0) int(-9223372036854775808) int(-9223372036854775808) int(-9223372036854775808) Done