<?php $a = 0.03; $b = 1 - 0.97; $c = (float)(string) 0.03; $d = (float)(string) (1 - 0.97); var_dump($a, $b, $a === $b, $c, $d, $c === $d); var_dump(sprintf('%1.16f', $b), sprintf('%1.16f', $d));
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