用来解析 .htgroup 文件的 PHP 类

.htgroup 文件示例：
admin: user2
editor: user1 user3
writer: user3 

多瑞(doreesoft)外贸网店系统

多瑞外贸网店系统立足于全球化贸易往来的一款外贸类企业用户高端应用电子商务系统软件，帮助企业快速搭建网聚全球商机的电子商务系统。本系统使用纯正的英文，国外用户更容易阅读；多年专业外贸设计经验，熟练掌握美式英语，更符合国外用户考虑和解决问题的逻辑；设计风格、用户体验符合国外用户的习惯；简洁明了的设计风格正是欧美用户的所爱，时时推出新模板、紧跟时尚潮流，供您选择。新增加淘宝数据自动导入，批量上传商品，商

下载

class Htgroup { 
private $file = ''; 
private function write($groups = 
array()) { 
$str = ''; 
foreach ($groups as $group => $users) { 
$users_str = ''; 
foreach ($users as $user) { 
if (!empty($users_str)) 
{ 
$users_str .= ' '; 
} 
$users_str .= $user; 
} 
$str .= 
"$group: $users_str\n"; 
} 
file_put_contents($this -> file, $str); 
} 
private function read() { 
$groups = array(); 
$groups_str = 
file($this -> file, FILE_IGNORE_NEW_LINES); 
foreach ($groups_str as 
$group_str) { 
if (!empty($group_str)) { 
$group_str_array = explode(': ', 
$group_str); 
if (count($group_str_array) == 2) { 
$users_array = 
explode(' ', $group_str_array[1]); 
$groups[$group_str_array[0]] = 
$users_array; 
} 
} 
} 
return $groups; 
} 
public function 
__construct($file) { 
if (file_exists($file)) { 
$this -> file = $file; 
} else { 
die($file." doesn't exist."); 
return false; 
} 
} 
public function addUserToGroup($username = '', $group = '') { 
if 
(!empty($username) && !empty($group)) { 
$all = $this -> read(); 
if (isset($all[$group])) { 
if (!in_array($username, $all[$group])) { 
$all[$group][] = $username; 
} 
} else { 
$all[$group][] = 
$username; 
} 
$this -> write($all); 
} else { 
return false; 
} 
} 
public function deleteUserFromGroup($username = '', $group = '') 
{ 
$all = $this -> read(); 
if (array_key_exists($group, $all)) { 
$user_index = array_search($username, $all[$group]); 
if ($user_index !== 
false) { 
unset($all[$group][$user_index]); 
if (count($all[$group]) == 0) 
{ 
unset($all[$group]); 
} 
$this -> write($all); 
} 
} else { 
return false; 
} 
} 
}

$groupHandler = new Htgroup('/home/myuser/.htgroup'); 
// Add user 'user1' to 
group 'admin' in .htgroup. Group will be automatically created if it doesn't 
exist. 
$groupHandler -> addUserToGroup('user1', 'admin'); 
// Delete 
user 'user1' from group 'admin' in .htgroup. Group will be automatically removed 
if it doesn't contain any users. 
$groupHandler -> 
deleteUserFromGroup('user1', 'admin');