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php 获取下一个字母,该怎么处理

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Release: 2016-06-13 09:58:51
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php 获取下一个字母
如给出一个字母“B”,怎么样得到它的下个字母“C”呢?PHP有没有现成的函数可调用呢?

------解决方案--------------------
现成的函数不清楚,
如果是26个英文字母的固定排序下的下一个字母,用数组相关的函数可以实现吧?
------解决方案--------------------
现成的函数不知道有不有? 等高人来答。

PHP code
$a=ord('B'); echo chr($a+1);<br><font color="#e78608">------解决方案--------------------</font><br>
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$s = 'B';
echo ++$s;//out C
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