array_sum PHP错误的结果[重复]

Question

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• Is floating point math broken? 30 answers

the result of this should be zero!

echo array_sum([-61.50,50.00,10.50,1.00,0.00,50.00,-16.73,-20.00,-55.75,42.48]);

Why is giving -7.105427357601E-15?

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Answer 1

Just try round(), you will get the same result.

echo round(array_sum([-61.50,50.00,10.50,1.00,0.00,50.00,-16.73,-20.00,-55.75,42.48]));