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<?php $a = 0.1 + 0.2; $b = 0.2; $b += 0.1; var_dump(array(0.1 + 0.2, 0.3, 0.1 + 0.2 == 0.3, 0.1 + 0.2 === 0.3, $a == $b));

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32.28 ms | 402 KiB | 5 Q