added plugin update stuff
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198
includes/class.upgrademe.php
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198
includes/class.upgrademe.php
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<?php
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/*
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Plugin Name: upgrademe
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Description: Allows auto-upgrade for plugins outside of official WordPress repository
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Company: Copyright 2011 Meglio. All rights reserved
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Version: 0.2
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Author: Meglio (Anton Andriyevskyy)
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Plugin URI: https://github.com/meglio/wp-upgrademe
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*/
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if (!class_exists('Upgrademe')) {
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class Upgrademe
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{
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/**
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* Stores parsed and validated data returned by unofficial APIs.
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* @var array
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*/
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private static $data;
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private static $WP_FILTER_PREFIX = 'wpFilter_';
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public static function register()
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{
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$r = new ReflectionClass(__CLASS__);
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$methods = $r->getMethods(ReflectionMethod::IS_PUBLIC);
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foreach($methods as $m)
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{
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/** @var ReflectionMethod $m */
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if ($m->isStatic() && strpos($m->getName(), self::$WP_FILTER_PREFIX) === 0) {
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add_filter(substr($m->getName(), strlen(self::$WP_FILTER_PREFIX)), array(get_class(), $m->getName()),
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10, $m->getNumberOfParameters());
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}
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}
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}
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public static function wpFilter_http_response($response, $args, $url)
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{
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# Control recursion
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static $recursion = false;
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if ($recursion)
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return $response;
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if (empty($response) || !is_array($response) || !isset($response['body']))
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return $response;
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# Guess if it's time to take action
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if ($url == 'http://api.wordpress.org/plugins/update-check/1.0/')
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$showTime = true;
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# Prevent failures if WordPress changes url for updates; we will detect if it still contains "update-check" token
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# and called from withing wp_update_plugins() function
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elseif (stripos($url, 'update-check') !== false)
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{
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$showTime = false;
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$trace = debug_backtrace(false);
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foreach($trace as $t)
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# http request made from within wp_update_plugins
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if (isset($t['function']) && $t['function'] == 'wp_update_plugins')
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{
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$showTime = true;
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break;
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}
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unset($trace, $t);
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}
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else
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$showTime = false;
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if (!$showTime)
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return $response;
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# Loop over plugins who provided <pluginName>_upgrademe() function and use returned url to request for up-to-date version signature.
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# Collect retrieved (only valid) data into $upgrademe
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$plugins = get_plugins();
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$upgrademe = array();
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foreach($plugins as $file => $info)
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{
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# Get url if function exists
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$slugName = str_replace('-', '_', basename($file, '.php'));
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# Request latest version signature from custom url (non-WP plugins repository api) && validate response variables
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$recursion = true;
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$vars = self::loadPluginData($slugName);
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$recursion = false;
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if (empty($vars))
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continue;
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$upgrademe[$file] = $vars;
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}
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if (!count($upgrademe))
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return $response;
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$body = $response['body'];
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if (!empty($body))
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$body = unserialize($body);
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if (empty($body))
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$body = array();
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foreach($upgrademe as $file => $upgradeVars)
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{
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# Do not override data returned by official WP plugins repository API
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if (isset($body[$file]))
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continue;
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# If new version is different then current one, only then add info
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if (!isset($plugins[$file]['Version']) || $plugins[$file]['Version'] == $upgradeVars['new_version'])
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continue;
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$upgradeInfo = new stdClass();
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$upgradeInfo->id = $upgradeVars['id'];
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$upgradeInfo->slug = $upgradeVars['slug'];
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$upgradeInfo->new_version = $upgradeVars['new_version'];
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$upgradeInfo->url = $upgradeVars['url'];
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$upgradeInfo->package = $upgradeVars['package'];
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$body[$file] = $upgradeInfo;
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}
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$response['body'] = serialize($body);
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return $response;
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}
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public static function wpFilter_plugins_api($value, $action, $args)
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{
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// If for some reason value available already, do not change it
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if (!empty($value))
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return $value;
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if ($action != 'plugin_information' || !is_object($args) || !isset($args->slug) || empty($args->slug))
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return $value;
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$vars = self::loadPluginData($args->slug);
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if (empty($vars))
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return $value;
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return (object)$vars['info'];
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}
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public static function wpFilter_http_request_args($args, $url)
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{
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if (strpos($url, 'wp-upgrademe') === false || !is_array($args))
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return $args;
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$args['sslverify'] = false;
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return $args;
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}
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private static function loadPluginData($slug)
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{
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if (isset(self::$data[$slug]))
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return self::$data[$slug];
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$funcName = $slug.'_upgrademe';
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if (!function_exists($funcName))
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return self::$data[$slug] = null;
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$upgradeUrl = filter_var(call_user_func($funcName), FILTER_VALIDATE_URL);
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if (empty($upgradeUrl))
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return self::$data[$slug] = null;
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# Request latest version signature from custom url (non-WP plugins repository api) && validate response variables
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$r = wp_remote_post($upgradeUrl, array('method' => 'POST', 'timeout' => 4, 'redirection' => 5, 'httpversion' => '1.0', 'blocking' => true,
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'headers' => array(), 'body' => null, 'cookies' => array(), 'sslverify' => false));
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if( is_wp_error($r) || !isset($r['body']) || empty($r['body']))
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return self::$data[$slug] = null;
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$vars = json_decode($r['body'], true);
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if (empty($vars) || !is_array($vars) || count($vars) > 4
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|| !isset($vars['new_version']) || !isset($vars['url']) || !isset($vars['package']) || !isset($vars['info']))
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return self::$data[$slug] = null;
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# 2 147 483 648 - max int32
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# 16 777 215 - ffffff = max possible value of 6-letters hex
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# 50 000 000 - reasonable offset
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# Finally generate ID between 50 000 000 and 66 777 215
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$vars['id'] = 50000000 + hexdec(substr(md5($slug), 1, 6));
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$vars['slug'] = $slug;
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# Sanitize variables of "info"
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if (!is_array($vars['info']))
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$vars['info'] = array();
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$info = array();
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foreach($vars['info'] as $key => $val)
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{
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if (!in_array($key, array('name','slug','version','author','author_profile','contributors','requires','tested',
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'compatibility','rating','rating','num_ratings','downloaded','last_updated','added','homepage',
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'sections','download_link','tags')))
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continue;
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$info[$key] = $val;
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}
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$info['slug'] = $slug;
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$info['version'] = $vars['new_version'];
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$info['download_link'] = $vars['url'];
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$vars['info'] = $info;
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return self::$data[$slug] = $vars;
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}
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}
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Upgrademe::register();
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} # class_exists()
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@ -70,4 +70,12 @@ if(!load_plugin_textdomain('semmelstatzR')) {
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include_once SEMMELSTATZR_SRVPATH.'/includes/functions.semr.php';
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include_once SEMMELSTATZR_SRVPATH.'/includes/functions.semr_template.php';
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include_once SEMMELSTATZR_SRVPATH.'/includes/class.upgrademe.php';
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if(class_exists("Upgrademe")) {
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function semmelstatzR_upgrademe() {
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// will be changed to sf.net soon as website is ready
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//return 'http://semmelstatz.sourceforge.net/semr_update.php';
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return 'http://www.php-backoffice.de/updates/semr_update.php';
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}
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}
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?>
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26
test/semr_update.php
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26
test/semr_update.php
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{
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"new_version": "1.0.0 RC1",
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"url": "http://sourceforge.net/projects/semmelstatz",
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"package": "http://sourceforge.net/projects/semmelstatz/files",
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"info": {
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"name": "semmelstatzR",
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"author": "<a href='http://sourceforge.net/projects/semmelstatz'>SEM-Team</a>",
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"author_profile": "",
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"requires": "2.8",
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"tested": "3.2.1",
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"rating": 0,
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"num_ratings": 0,
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"downloaded": 0,
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"last_upated": "2011-07-15",
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"added": "2011-07-15",
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"homepage": "http://sourceforge.net/projects/semmelstatz",
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"tags": {"wordpress":"wordpress","upgrade":"upgrade","update":"update","wp":"wp","repository":"repsitory","plugins":"plugins","hacks":"hacks","trucks":"trucks"},
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"sections":{
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"description": "The best Statz-Tool!",
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"installation": "Take a look in the readme file.",
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"screenshots":"",
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"changelog":"",
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"faq":""
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}
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}
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}
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