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10进制负数　转　16进制,该怎么解决

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Release： 2016-06-13 11:46:33
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10进制负数　转　16进制
-101　结果　9b

PHP怎么写?
------解决方案--------------------
echo dechex(-101);
如要得到9b，需要忽略前面的ff，因为是负数。
------解决方案--------------------
echo dechex(-101 & 0xff); //9b

Related labels：
echo nbsp
source：php.cn
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