PHP获得Linux环境下的硬盘UUID

2015/01/22 37548

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$dh = opendir('/dev/disk/by-uuid/');
while($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;
                }
        }
}