<?php $a = 4121.57; $b = 3998; $c = 123.57; $d = round( $a - $b - $c, 2); $e = round( $d, 2 ); echo "\n"; echo str_pad(print_r($d,TRUE),4,' ')." // NEGATIVE ZERO?"."\n"; echo str_pad(print_r($e,TRUE),4,' ')." // Don't worry, it rounds to zero! -_-"."\n";
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