Online PHP editor | refs for ARN9F

<?php echo round('0.48499999999999', 2) . "\n"; echo round('0.484999999999999', 2) . "\n"; echo round('10.4849999999999', 2) . "\n"; echo round('10.48499999999999', 2) . "\n"; echo round('100.484999999999', 2) . "\n"; echo round('100.4849999999999', 2) . "\n"; echo round('1000.48499999999', 2) . "\n"; echo round('1000.484999999999', 2) . "\n"; echo round('10000.4849999999', 2) . "\n"; echo round('10000.48499999999', 2) . "\n"; echo round('100000.484999999', 2) . "\n"; echo round('100000.4849999999', 2) . "\n"; echo round('1000000.48499999', 2) . "\n"; echo round('1000000.484999999', 2) . "\n"; echo round('10000000.4849999', 2) . "\n"; echo round('10000000.48499999', 2) . "\n"; echo round('100000000.484999', 2) . "\n"; echo round('100000000.4849999', 2) . "\n"; echo round('1000000000.48499', 2) . "\n"; echo round('1000000000.484999', 2) . "\n"; echo round('10000000000.4849', 2) . "\n"; echo round('10000000000.48499', 2) . "\n";