中文截取
function substr_cut($user_name){ ???????????$strlen= mb_strlen($user_name, ‘utf-8‘); ???????????$firstStr= mb_substr($user_name, 0, 1, ‘utf-8‘); ???????????$lastStr= mb_substr($user_name, -1, 1, ‘utf-8‘); ???????????return $strlen== 2 ? $firstStr . str_repeat(‘*‘, mb_strlen($user_name, ‘utf-8‘) - 1) : $firstStr . str_repeat("*", $strlen - 2) . $lastStr; ???????} ???????/* ???????普通截取 ???????*/ ???????function hide_name($name, $sep = ‘*‘) ???????{ ???????????$len = strlen($name); ???????????$str = ‘‘; ???????????for ($i = 0; $i < $len; $i++) { ???????????????$str .= ($i == 0 || $i == $len - 1) ? $name{$i} : $sep; ???????????} ???????????return $str; ???????}PHP用*隐藏中文问题
原文地址：https://www.cnblogs.com/qixidi/p/10206084.html