http://blog.xuite.net/vexed/tech/22023458

gistfile1.php

<?php
	define('NICKNAME', 'abc');
	define('PASSWORD', 'iamabc');
	define('USER_ID', '123456');
	
	$message = 'Hello World!';
	
	$ch = curl_init();
	curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
	curl_setopt($ch, CURLOPT_COOKIEJAR, 'cookie.txt');
	curl_setopt($ch, CURLOPT_COOKIEFILE, 'cookie.txt');
	
	// login
	curl_setopt($ch, CURLOPT_URL, 'http://www.plurk.com/Users/login');
	curl_setopt($ch, CURLOPT_POSTFIELDS, 'nick_name='.NICKNAME.'&password='.PASSWORD);
	curl_exec($ch);
	
	// post
	curl_setopt($ch, CURLOPT_URL, 'http://www.plurk.com/TimeLine/addPlurk');
	curl_setopt($ch, CURLOPT_POSTFIELDS, 'qualifier=says&content='.urlencode($message).'&lang=tr_ch&no_comments=0&uid='.USER_ID);
	curl_exec($ch);
	
	curl_close($ch);
?>