sprintf('%04b', $forumlink['type']);这句话是什么意思？解决方案
sprintf('%04b', $forumlink['type']);这句话是什么意思？
sprintf('%04b', $forumlink['type'])
有点看不懂
------解决方案--------------------
%0 表示八进制数,sprintf函数将%0替换成 $forumlink['type'] 的值,替换时是转换成八进制处理的,尽管它是10进制
该函数详解请见
http://www.w3school.com.cn/php/func_string_sprintf.asp
------解决方案--------------------
把变量 $forumlink['type'] 值转换为:
有效位4的八进制数，并转换为二进制
------解决方案--------------------
应该是4位2进制数，如果不足4位，用0填充
------解决方案--------------------
保留4为小数.
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