自动同步文章到腾讯、新浪等微博平台（支持Windows Live Writer）

<?php

/*

Plugin Name: 微博通同步发布

Plugin URI: http://xiaohudie.net (参考: 原插件下载地址: http://www.wbto.cn/bbs/viewthread.php?tid=382)

Description: 自动把你的博客文章同步到微博通，微博通将同步至你所绑定的各个平台。

Version: 1.0

Author: 小蝴蝶(原作者yige)

Author URI: http://xiaohudie.net & http://t.qq.com/abcwuwuwu

*/

function wbto_install() {

global $wpdb;

$table_name = $wpdb->prefix."wbto";

if($wpdb->get_var("show tables like '$table_name'") != $table_name) {

$sql = "CREATE TABLE " . $table_name . " (id mediumint(9) NOT NULL AUTO_INCREMENT, wbto_username VARCHAR(100) NOT NULL, wbto_password VARCHAR(100) NOT NULL, );";

}

require_once(ABSPATH . 'wp-admin/includes/upgrade.php');

dbDelta($sql);

}

function send_to_wbto($post_ID) {

$posted = get_post($post_ID);

preg_match_all('/<img[^>]+src=[\'"](http[^\'"]+)[\'"].*>/isU',$posted->post_content, $image);//匹配图像格式

$p_sum = count($image[1]);

if ($p_sum > 0) {

$p = $image[1][0];

}

if (!$p) {

if (function_exists('has_post_thumbnail') && has_post_thumbnail($post_ID)) { //  如果支持特色图像(WordPress v2.9以上)并且存在特色图像,则抓特色图像

if ($image_url = wp_get_attachment_image_src(get_post_thumbnail_id($post->ID), 'post-thumbnail'))

$p = $image_url[0];

}

}

$t1=$posted->post_date;

$t2=$posted->post_modified;

$diff=strtotime($t2)-strtotime($t1);

if($diff>0){return;} //重要修改:加上了发布时间判断,如果文章更新,将不会同步到微博

$username = get_option('wbto_username');

$password = get_option('wbto_password');

$posted = get_post($post_ID);

$image_url = $p;//重要修改:抓图像,支持外链图片和本地上传的图片,如果有特色图像则抓特色图像

$excerpt=mb_strimwidth(strip_tags($posted->post_content),0,130,'...'); //截130字的内容,因为总共140字还要留一点在最后放链接

$fields = array();

$fields['source'] = 'wordpress';

$fields['content'] = urlencode('［'.$posted->post_title.'］'.mb_strimwidth(strip_tags($excerpt),0,130,'...').' '.$posted->guid); //微博格式,效果如图,即:［标题］摘要内容+链接

$ch = curl_init();

if ($image_url) { 

$fields['imgurl'] =$image_url;

curl_setopt($ch, CURLOPT_URL, "http://wbto.cn/api/upload.json");  

} else {

curl_setopt($ch, CURLOPT_URL, "http://wbto.cn/api/update.json");  

}

curl_setopt($ch, CURLOPT_USERPWD, "$username:$password");

curl_setopt($ch, CURLOPT_FAILONERROR, TRUE);

curl_setopt($ch, CURLOPT_RETURNTRANSFER,TRUE);

curl_setopt($ch, CURLOPT_TIMEOUT, 10);

curl_setopt($ch, CURLOPT_POST, TRUE);

curl_setopt($ch, CURLOPT_POSTFIELDS, $fields);

$result = curl_exec($ch);

curl_close($ch);

}

function wbto_menu() {

add_options_page('微博通同步设置', '微博通同步', 8, __FILE__, 'wbto_options');

} 

function wbto_options() { 

echo '<div class="wrap">';

echo '<h2>微博通同步</h2>';

echo '<form method="post" action="options.php">';

echo wp_nonce_field('update-options');

echo '<table class="form-table">';

echo '<tr valign="top">';

echo '<th scope="row">用户名 <a href="http://www.wbto.cn/?app=wp">注册</a></th>';

echo '<td><input type="text" name="wbto_username" value="'.get_option('wbto_username').'" /></td>';

echo '</tr>';

echo '<tr valign="top">';

echo '<th scope="row">密码</th>';

echo '<td><input type="password" name="wbto_password" value="'.get_option('wbto_password').'" /></td>';

echo '</tr>';

echo '</table>';

echo '<input type="hidden" name="action" value="update" />';

echo '<input type="hidden" name="page_options" value="wbto_username,wbto_password" />';

echo '<p class="submit">';

echo '<input type="submit" name="submit" id="submit" class="button-primary" value="保存更改" />';

echo '</p>';

echo '</form>';

echo '</div>';

}

add_action('admin_menu', 'wbto_menu'); 

add_action('publish_post', 'send_to_wbto'); 

?>