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preg_replace('/[x7f-xff]/', 'A', '直')的问题

WBOY
WBOYOriginal
2016-06-20 12:33:441197browse

preg_replace('/[\x7f-\xff]/', 'A', '直');


php.ini  GBK
为什么替换后是AA，怎么变成A?


回复讨论(解决方案)

preg_replace('/[\x7f-\xff]./', 'A', '直');

为什么要加个点啊

gbk 汉字是 2 个字节
而 [\x7f-\xff] 只是一个字节，所以要加个 . 补齐




终于懂了，谢谢大版主。。。。。。

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