PHP用户名用星号处理的方法:首先判断字符中是否包含中文字符;然后按照中文字符计算长度;接着使用“mb_”系列函数进行处理;最后将三个字符或三个字符以上掐头取尾,中间用星号代替即可。
PHP用户名用星号怎么处理?
PHP用户名用*号处理:
用户名:英文、中文、中英文混合的、中英文字符混合的
处理为:首字母和末尾保留,中间用*号代替(一个字符直接显示,两个字符:张*,三个以上字符:宋*丹)
首先判断字符中是否包含中文字符,如果有使用mb_ 系列函数处理(这里的中文使用的是UTF-8格式的)
UTF-8中文正则:"/[\x{4e00}-\x{9fa5}]+/u"
GB2312中文正则:"/[".chr(0xa1)."-".chr(0xff)."]+/"
//判断是否包含中文字符 if(preg_match("/[\x{4e00}-\x{9fa5}]+/u", $str)) { //按照中文字符计算长度 $len = mb_strlen($str, 'UTF-8'); //echo '中文'; if($len >= 3){ //三个字符或三个字符以上掐头取尾,中间用*代替 $str = mb_substr($str, 0, 1, 'UTF-8') . '*' . mb_substr($str, -1, 1, 'UTF-8'); } elseif($len == 2) { //两个字符 $str = mb_substr($str, 0, 1, 'UTF-8') . '*'; } } else { //按照英文字串计算长度 $len = strlen($str); //echo 'English'; if($len >= 3) { //三个字符或三个字符以上掐头取尾,中间用*代替 $str = substr($str, 0, 1) . '*' . substr($str, -1); } elseif($len == 2) { //两个字符 $str = substr($str2, 0, 1) . '*'; } }
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