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PHP String 转int的问题

WBOY
WBOYOriginal
2016-06-06 20:40:50978browse

<code><?php $a=012;
echo (int)$a;
echo  $a/4;
</code></code>

为什么$a被转成了10？？？

回复内容：

<code><?php $a=012;
echo (int)$a;
echo  $a/4;
</code></code>

为什么$a被转成了10？？？

数字0开头，是8进制

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