<?php $n = 0 - 0.00000000000000000000000000000000; var_dump($n); // float(-1.0E-33) var_dump(round($n)); // float(-0) var_dump(abs($n)); // 1.0E-33 var_dump(abs(round($n))); // 0 var_dump(round($n) == 0); var_dump(round($n) === 0);
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