带前导零的 int 变量? [英] int variable with leading zero?

问题描述

为什么下面的结果是 34?它似乎与八进制数无关.

Why is it that following results in 34? It doesn't seem to have anything to do with octal numbers.

intval(042);

推荐答案

但是前导 0 在许多语言中确实表示八进制，就像这里的情况.

but a leading 0 does indicate octal in many languages, as is the case here.

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