1 function hideStar($str) { //用户名、邮箱、手机账号中间字符串以*隐藏 
 2     if (strpos($str, ‘@‘)) { 
 3         $email_array = explode("@", $str); 
 4         $prevfix = (strlen($email_array[0]) < 4) ? "" : substr($str, 0, 3); //邮箱前缀 
 5         $count = 0; 
 6         $str = preg_replace(‘/([\d\w+_-]{0,100})@/‘, ‘***@‘, $str, -1, $count); 
 7         $rs = $prevfix . $str; 
 8     } else { 
 9         $pattern = ‘/(1[3458]{1}[0-9])[0-9]{4}([0-9]{4})/i‘; 
10         if (preg_match($pattern, $str)) { 
11             $rs = preg_replace($pattern, ‘$1****$2‘, $str); // substr_replace($name,‘****‘,3,4); 
12         } else { 
13             $rs = substr($str, 0, 3) . "***" . substr($str, -1); 
14         } 
15     } 
16     return $rs; 
17 }