Description:
------------
http://cn.php.net/manual/zh/function.fgets.php

<?php
$handle = fopen("/tmp/inputfile.txt", "r");
while (!feof($handle)) {
   $buffer = fgets($fd, 4096);
   echo $buffer;
}
fclose($handle);
?> 

Reproduce code:
---------------
<?php
$handle = fopen("/tmp/inputfile.txt", "r");
while (!feof($handle)) {
   $buffer = fgets($fd, 4096);
   echo $buffer;
}
fclose($handle);
?> 

Expected result:
----------------
<?php
$handle = fopen("/tmp/inputfile.txt", "r");
while (!feof($handle)) {
   $buffer = fgets($handle, 4096);
   echo $buffer;
}
fclose($handle);
?>