作者: | 来源:互联网 | 2023-09-13 09:22
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在过滤或者其他一些应用找,文字里面包含全角,需要将他转成半角,有各种各样的方法,这边使用了php的strtr函数。好了。直接上代码: ?
全角转半角/**
?* 全角转半角
?* 运维生存时间
?* site:www.ttlsa.com
?* @param 传入的字符串 $str
?* @return string
?*/
function full2semiangle($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);
}
$str:要转的字符串 $arr:全半角映射关系
半角转全角 将数组总的顺序替换一下即可 这个方法可以用在各种地方,在上面的数组里面你可以添加'二'=>'2',这样一来字符串中的"二"将会被替换成阿拉伯数字"2". 转载请注明出处:http://www.ttlsa.com/html/2739.html
转:https://my.oschina.net/766/blog/211203