/**
 * 获得Linux 的硬盘UUID
 *
 * @param 
 * @author 编程之家 jb51.cc jb51.cc
 **/
$dh = opendir('/dev/disk/by-uuid/');
while($file = readdir($dh)){
     if(is_link('/dev/disk/by-uuid/'.$file)){
         if(realpath('/dev/disk/by-uuid/'.$file) == '/dev/sda1'){
            echo 'Found uuid='.$file.PHP_EOL;
         }
    }
}


/***   来自编程之家 jb51.cc（jb51.cc）   ***/