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--TEST-- testing integer overflow (32bit) --INI-- precision=14 --SKIPIF-- <?php if (PHP_INT_SIZE != 4) die("skip this test is for 32bit platform only"); ?> --FILE-- <?php $doubles = array( 0x1736123FFFAAA, 0XFFFFFFFFFFFFFFFFFF, 0xAAAAAAAAAAAAAAEEEEEEEEEBBB, 0x66666666666666666777777, ); foreach ($doubles as $d) { $l = $d; var_dump($l); } echo "Done\n"; ?> --EXPECTF-- float(4.0833602971%dE+14) float(4.7223664828%dE+21) float(1.3521606402%dE+31) float(1.9807040628%dE+27) Done