<?php
$session=$_GET['session'];
if($session)
	exit("invalid session");

$size=$_GET['size']>0 ? intval($_GET['size']) : 0;
$ret=0;

#$session = 1234;
#$size = 80;
$memcache = new Memcache;
$memcache->connect('localhost', 11211) or die ("Could not connect");

$get_result = $memcache->get($session);

if( $get_result === false ){
	$memcache->set($session, 1, false, 600) or die ("Failed to save data at the server");
	$ret="1\n";
}
else{
	$ret = $memcache->increment($session);
	$ret .= "\n";
}

while(strlen($ret) < $size){
	$ret .= "abcdefghijklmnopqrstuvwxyz1234567890\n";
}

$ret = substr($ret, 0, $size);

echo $ret;

?>