php教程|php手册
全角字符,半角函数
php教程-php手册
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这篇文章主要介绍了PHP全角半角转换函数，把目前能找到的所有全角都列出来了一个个替换吧,需要的朋友可以参考下
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之前试过网上找的通过ASCII之类的字符替换，发现很多莫名其妙的问题。最后还是换成下面的字符替换方式了，把目前能找到的所有全角都列出来了一个个替换吧
复制代码 代码如下:
/**
* 全角字符转换为半角
*
* @param string $str
* @return string
*/
public function Sbc2Dbc($str)
{
$arr = array(
‘０’=>’0’, ‘１’=>’1’, ‘２’=>’2’, ‘３’=>’3’, ‘４’=>’4′,’５’=>’5’, ‘６’=>’6’, ‘７’=>’7’, ‘８’=>’8’, ‘９’=>’9’,
‘Ａ’=>’A’, ‘Ｂ’=>’B’, ‘Ｃ’=>’C’, ‘Ｄ’=>’D’, ‘Ｅ’=>’E’,’Ｆ’=>’F’, ‘Ｇ’=>’G’, ‘Ｈ’=>’H’, ‘Ｉ’=>’I’, ‘Ｊ’=>’J’,
‘Ｋ’=>’K’, ‘Ｌ’=>’L’, ‘Ｍ’=>’M’, ‘Ｎ’=>’N’, ‘Ｏ’=>’O’,’Ｐ’=>’P’, ‘Ｑ’=>’Q’, ‘Ｒ’=>’R’, ‘Ｓ’=>’S’, ‘Ｔ’=>’T’,
‘Ｕ’=>’U’, ‘Ｖ’=>’V’, ‘Ｗ’=>’W’, ‘Ｘ’=>’X’, ‘Ｙ’=>’Y’,’Ｚ’=>’Z’, ‘ａ’=>’a’, ‘ｂ’=>’b’, ‘ｃ’=>’c’, ‘ｄ’=>’d’,
‘ｅ’=>’e’, ‘ｆ’=>’f’, ‘ｇ’=>’g’, ‘ｈ’=>’h’, ‘ｉ’=>’i’,’ｊ’=>’j’, ‘ｋ’=>’k’, ‘ｌ’=>’l’, ‘ｍ’=>’m’, ‘ｎ’=>’n’,
‘ｏ’=>’o’, ‘ｐ’=>’p’, ‘ｑ’=>’q’, ‘ｒ’=>’r’, ‘ｓ’=>’s’, ‘ｔ’=>’t’, ‘ｕ’=>’u’, ‘ｖ’=>’v’, ‘ｗ’=>’w’, ‘ｘ’=>’x’,
‘ｙ’=>’y’, ‘ｚ’=>’z’,
‘（’=>(‘, ‘）’=>’)’, ‘〔’=>(‘, ‘〕’=>’)’, ‘【’=>[‘,’】’=>’]’, ‘〖’=>[‘, ‘〗’=>’]’, ‘“’=>”‘, ‘”’=>”‘,
‘‘’=>’\”, ”’=>’\”, ‘｛’=>{‘, ‘｝’=>’}’, ‘《’=>”>’,’％’=>’%’, ‘＋’=>’+’, ‘—’=>’-‘, ‘－’=>’-‘,
‘～’=>’~’,’：’=>’:’, ‘。’=>’.’, ‘、’=>’,’, ‘，’=>’,’, ‘、’=>’,’, ‘；’=>’;’, ‘？’=>’?’, ‘！’=>’!’, ‘…’=>’-‘,
‘‖’=>’|’, ‘”’=>”‘, ”’=>’`’, ‘‘’=>’`’, ‘｜’=>’|’, ‘〃’=>”‘,’’=>’ ‘, ‘×’=>’*’, ‘￣’=>’~’, ‘．’=>’.’, ‘＊’=>’*’,
‘＆’=>’&’,’＜’=>”>’, ‘＄’=>’$’, ‘＠’=>’@’, ‘＾’=>’^’, ‘＿’=>’_’, ‘＂’=>”‘, ‘￥’=>’$’, ‘＝’=>’=’,
‘＼’=>’\\’, ‘/’=>’/’
);
return strtr($str, $arr);
}
，
