按行读取整个文件

<?phpset_time_limit(0);$filename = "user_mail.php";$num = 8048;$k=0;$file_handle = fopen($filename, "r");while (!feof($file_handle)) {$k++;//按行读取$line = fgets($file_handle);//空行跳过if(empty($line)){continue;}list($Sname,$email) = split (",",$line,5);ob_flush();echo $k."===".$Sname."===".$email."/n";flush();sleep(1);}?>