I did not use the wrapper method for those few occurences since it was too much work. I'm sorry :-D
475 lines
17 KiB
PHP
475 lines
17 KiB
PHP
<?php
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/*
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* Contributed by Grischa Brockhaus <s9ycoder@brockha.us>
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*
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* Implements access to the twitter api
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*
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*/
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include dirname(__FILE__) . '/json.php4.include.php';
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include dirname(__FILE__) . '/twitter_entry_defs.include.php';
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class Twitter {
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var $use_identica = false;
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var $last_error = 200; // success
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var $error_response = '';
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var $twitter_errors = array(
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200 => "OK",
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304 => "Not Modified",
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400 => "Bad Request",
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401 => "Not Authorized",
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403 => "Forbidden",
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404 => "Not Found",
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406 => "Not Acceptable",
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500 => "Internal Server Error",
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502 => "Bad Gateway: Twitter is down or being upgraded",
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503 => "Service Unavailable"
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);
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/**
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* The constructor of this class.
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* @param boolean use_identi_ca default=false (use twitter mode)
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*/
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function Twitter($use_identi_ca = false) {
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$this->use_identica = $use_identi_ca;
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}
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/**
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* Base URL of service
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* @access private
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*/
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function get_base_url() {
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if ($this->use_identica) {
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return "http://identi.ca/";
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}
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else {
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return "https://twitter.com/";
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}
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}
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/**
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* API URL of service
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* @access private
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*/
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function get_api_url() {
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if ($this->use_identica) {
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return "http://identi.ca/api/";
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}
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else {
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//TODO: Change Twtter API to 1.1
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return "https://twitter.com/";
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}
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}
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/**
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* API URL for searches of service
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* @access private
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*/
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function get_search_url()
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{
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if ($this->use_identica) {
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return "http://identi.ca/api/search";
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}
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else {
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//TODO: Change Twtter API to 1.1
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return "https://search.twitter.com/search";
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}
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}
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var $search_rss_encoding = 'UTF-8';
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/**
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* searches twitter.
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*
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* Returns an array of entry arrays (id=> entry).
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*
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* entries have the following fields set:
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* id, login, realname, email, tweet, pubdate, retweet
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* url_autor, url_img, url_tweet
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*
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* @param string search urldecoded query
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* @param entry[] a prior search result. Search result will be added, if not null or empty
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* @return entry[] results as array of entry arrays or false, if an error occured
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*/
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function search($search, $entries=null, $fetchall=true) {
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require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
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$search_uri = $this->get_search_url() . '.json?q=' . $search;
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// Special Twitter search params
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if (!$this->use_identica) {
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$search_uri .= "&rpp=100&include_entities=1";
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}
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//echo "Searching: $search_uri <br/>";
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$paging = true;
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while ($paging) {
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if (function_exists('serendipity_request_start')) serendipity_request_start();
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$req = new HTTP_Request($search_uri, array('timeout' => 20, 'readTimeout' => array(5,0)));
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$req->sendRequest();
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$this->last_error = $req->getResponseCode();
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if ($req->getResponseCode() != 200) {
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$this->last_error = $req->getResponseCode();
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$this->error_response = trim($req->getResponseBody());
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if (function_exists('serendipity_request_start')) serendipity_request_end();
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return false;
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}
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$response = trim($req->getResponseBody());
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if (function_exists('serendipity_request_start')) serendipity_request_end();
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$json = @json_decode($response);
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if (!is_array($entries) || empty($entries)) $entries = array();
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foreach ($json->results as $item) {
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$entry = $this->parse_entry_json( $item );
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// Debug: remember the search executed
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$entry[TWITTER_SEARCHRESULT_URL_QUERY] = $search;
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// Watch out: If $item->id is interpreted as int, high values produce problems
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// So I force strings as array keys here.
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$entries[$entry[TWITTER_SEARCHRESULT_ID]] = $entry; // overwrite old entry, if already have one
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}
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$paging = !empty($json->next_page);
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if ($fetchall && $paging) {
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$search_uri = $this->get_search_url() . '.json' . $json->next_page;
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}
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}
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return $entries;
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}
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/**
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* Searches for multiple keywords
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* @param array keywords The keywords to search for
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* @param string since_id Limit results to entries starting after since_id
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* @param boolean search_or search using OR or AND
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*/
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static function search_multiple($keyword, $since_id = null, $search_or = true) {
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$entries = array();
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// Filter: tweeds containing links only.
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// This Filter doesn't work at the moment, will produce an empty result!
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// It is not neccessary for us, only a hint for twitter.
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// rpp: results per page
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$filter = ''; // +filter:links
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if (!empty($since_id)) {
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$filter .= "&since_id=$since_id";
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}
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$query = $keyword; //urlencode($keyword);
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// Filter will be added to the query, so substract it.
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$max_query_len = 139 - strlen($filter);
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// Now execute the queries
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$api = new Twitter();
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$newentries = $api->search($query . $filter, $entries);
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if ($newentries===false) { // Error occured, mostly resultet in an twitter overload!
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echo "<b>Search qry</b>: ".$api->get_search_url().".json?q={$query}{$filter}<br/>";
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echo "<b>Error code</b>: " . $api->twitter_errors[$api->last_error] . " ({$api->last_error})<br/>";
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if (!empty($api->error_response)) {
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$response = json_decode($api->error_response);
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if (!empty($response->error)) $errormsg=$response->error;
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else {
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$errormsg=$api->error_response;
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}
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echo "<b>Error Resp</b>: {$errormsg}<br/>";
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}
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$newentries = array();
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}
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$entries = $newentries;
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return $entries;
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}
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/**
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* Loads the actual twitter configuration
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{
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"short_url_length_https":21,
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"max_media_per_upload":1,
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"characters_reserved_per_media":21,
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"photo_sizes":{"thumb":{"resize":"crop","h":150,"w":150},
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"small":{"resize":"fit","h":480,"w":340},
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"large":{"resize":"fit","h":2048,"w":1024},
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"medium":{"resize":"fit","h":1200,"w":600}},
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"non_username_paths"["about", ... , "media_signup"],
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"photo_size_limit":3145728,
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"short_url_length":20
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}
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*/
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function get_twitter_config() {
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require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
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$config_url = "https://api.twitter.com/1/help/configuration.json";
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if (function_exists('serendipity_request_start')) serendipity_request_start();
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$req = new HTTP_Request($config_url, array('timeout' => 20, 'readTimeout' => array(5,0)));
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$req->sendRequest();
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// We are static
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//$this->last_error = $req->getResponseCode();
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if ($req->getResponseCode() != 200) {
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$this->last_error = $req->getResponseCode();
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$this->error_response = trim($req->getResponseBody());
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if (function_exists('serendipity_request_start')) serendipity_request_end();
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return false;
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}
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$response = trim($req->getResponseBody());
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if (function_exists('serendipity_request_start')) serendipity_request_end();
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return @json_decode($response);
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}
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function parse_entry_json( $item ) {
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$entry = array();
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if (preg_match('/href="([^"]*)"/',html_entity_decode($item->source, ENT_COMPAT, LANG_CHARSET),$matches)) {
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$source_link = $matches[1][0];
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}
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//$link = str_replace('<a href="','',str_replace('"/a>','',html_entity_decode($item['source'])));
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$entry[TWITTER_SEARCHRESULT_LOGIN] = $item->from_user;
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$entry[TWITTER_SEARCHRESULT_REALNAME] = $item->from_user;
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if( !function_exists('htmlspecialchars_decode') ) {
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$entry[TWITTER_SEARCHRESULT_TWEET] = $item->text; // PHP4 Version w/o html_specialcar decoding.
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}
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else {
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$entry[TWITTER_SEARCHRESULT_TWEET] = htmlspecialchars_decode($item->text);
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}
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$uniq = (isset($item->id_str) ? $item->id_str : sprintf('%0.0f', $item->id));
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$entry[TWITTER_SEARCHRESULT_ID] = $uniq;
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$entry[TWITTER_SEARCHRESULT_URL_AUTOR] = $this->get_base_url() . $item->from_user;
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$entry[TWITTER_SEARCHRESULT_URL_IMG] = $item->profile_image_url;
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if ($this->use_identica) {
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$entry[TWITTER_SEARCHRESULT_URL_TWEET] = $this->get_base_url() . '/notice/' . $entry[TWITTER_SEARCHRESULT_ID];
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}
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else {
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$entry[TWITTER_SEARCHRESULT_URL_TWEET] = $this->get_base_url() . $entry[TWITTER_SEARCHRESULT_LOGIN] . '/status/' . $entry[TWITTER_SEARCHRESULT_ID];
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}
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if (!empty($source_link)) $entry[TWITTER_SEARCHRESULT_URL_SRC] = $source_link;
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$entry[TWITTER_SEARCHRESULT_PUBDATE] = $item->created_at;
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$entry[TWITTER_SEARCHRESULT_RETWEET] = preg_match('/^(rt|retweet|retweeting)[ :].*/i',$item->text);
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// get expanded urls
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if (!empty($item->entities)) {
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if (!empty($item->entities->urls)) {
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$urls = array();
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$urlsExpanded = array();
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$redirCheck = new RedirectCheck();
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foreach ($item->entities->urls as $url) {
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if (!empty($url->expanded_url)) {
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$urls[] =$url->expanded_url;
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}
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}
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$entry[TWITTER_SEARCHRESULT_URL_ARRAY] = $urls;
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}
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}
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return $entry;
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}
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function update( $login, $pass, $update, $geo_lat = NULL, $geo_long = NULL ) {
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require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
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if (empty($login) || empty($pass) || empty($update)) return;
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$status_url = $this->get_api_url() . 'statuses/update.json';
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require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
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if (function_exists('serendipity_request_start')) serendipity_request_start();
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$par['user'] = $login;
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$par['pass'] = $pass;
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$par['method'] = HTTP_REQUEST_METHOD_POST;
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$par['timeout'] = 20;
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$par['readTimeout'] = array(5,0);
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$req = new HTTP_Request($status_url, $par);
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$update = urlencode($update);
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$req->addPostData('status',$update, true);
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$req->addPostData('source','s9y', true);
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if (!empty($geo_lat) && !empty($geo_long)) {
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$req->addPostData('lat',$geo_lat, true);
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$req->addPostData('long',$geo_long, true);
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}
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$req->sendRequest();
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$response = $req->getResponseBody();
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$errorcode = $req->getResponseCode();
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if (function_exists('serendipity_request_start')) serendipity_request_end();
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if ($errorcode == 200) {
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$json = @json_decode($response);
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if (isset($json->error)) {
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return $json->error;
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}
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else {
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return true;
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}
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}
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else {
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return $errorcode;
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}
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}
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// http://apiwiki.twitter.com/Twitter-REST-API-Method%3A-statuses-friends_timeline
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function timeline( $login, $pass, $count=10, $withfriends=true) {
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if (empty($login) || empty($pass)) return;
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$timeline_url = $this->get_api_url() . 'statuses/friends_timeline.json?';
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$timeline_url .= "count=$count";
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require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
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if (function_exists('serendipity_request_start')) serendipity_request_start();
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$par['user'] = $login;
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$par['pass'] = $pass;
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$par['method'] = HTTP_REQUEST_METHOD_GET;
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$par['timeout'] = 20;
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$par['readTimeout'] = array(5,0);
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$req = new HTTP_Request($timeline_url, $par);
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$req->sendRequest();
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$response = trim($req->getResponseBody());
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if (function_exists('serendipity_request_start')) serendipity_request_end();
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return @json_decode($response);
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}
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// http://apiwiki.twitter.com/Twitter-REST-API-Method%3A-users%C2%A0show
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function userinfo($screenname) {
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if (empty($screenname)) {
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echo "screenname empty";
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return;
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}
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require_once S9Y_PEAR_PATH . 'HTTP/Request.php';
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$requrl = $this->get_api_url() . 'users/show.json?screen_name=' . $screenname;
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if (function_exists('serendipity_request_start')) serendipity_request_start();
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$req = new HTTP_Request($requrl);
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$req->sendRequest();
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$response = trim($req->getResponseBody());
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if (function_exists('serendipity_request_start')) serendipity_request_end();
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return @json_decode($response);
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}
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function replace_links_in_status( $status, $linktext_replace = '$1', $class_links = '', $class_user_links = '' ) {
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// Regular expression for smart detecting URLs inside of an Text.
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// Found at http://immike.net/blog/2007/04/06/5-regular-expressions-every-web-programmer-should-know/
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$pattern = '{(
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\\b
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# Match the leading part (proto://hostname, or just hostname)
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(
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# http://, or https:// leading part
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(https?)://[-\\w]+(\\.\\w[-\\w]*)+
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# or, try to find a hostname with more specific sub-expression
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(?i: [a-z0-9] (?:[-a-z0-9]*[a-z0-9])? \\. )+ # sub domains
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# Now ending .com, etc. For these, require lowercase
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(?-i: com\\b
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| edu\\b
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| biz\\b
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| gov\\b
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| in(?:t|fo)\\b # .int or .info
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| mil\\b
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| net\\b
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| org\\b
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| [a-z][a-z]\\.[a-z][a-z]\\b # two-letter country code
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)
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)
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# Allow an optional port number
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( : \\d+ )?
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# The rest of the URL is optional, and begins with /
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(
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/
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# The rest are heuristics for what seems to work well
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[^.!,?;"\\\'<>()\[\]\{\}\s\x7F-\\xFF]*
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(
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[.!,?]+ [^.!,?;"\\\'<>()\\[\\]\{\\}\s\\x7F-\\xFF]+
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)*
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)?
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)}ix';
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$class = '';
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if (!empty($class_links)) $class = 'class="' . $class_links . '"';
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$status = preg_replace($pattern, '<a href="$1" ' .$class .'>' . $linktext_replace . '</a>', $status);
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if ($this->use_identica) {
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$status = preg_replace('{#([\w_]*)}','#<a href="' . $this->get_base_url() . 'tag/$1" ' . $class . '>$1</a>', $status);
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$status = preg_replace('{!([\w_]*)}','!<a href="' . $this->get_base_url() . 'group/$1" ' . $class . '>$1</a>', $status);
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}
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$class = '';
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if (!empty($class_user_links)) $class = 'class="' . $class_user_links . '"';
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$status = preg_replace('{@([\w_]*)}','@<a href="' . $this->get_base_url() . '$1" ' . $class . '>$1</a>', $status);
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return $status;
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}
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static function create_status_ago_string($twitter_time_string){
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// Some strtotime versions are not able to handle the long date string. So shorten it!
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$datepart = explode(" ", $twitter_time_string);
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$shortdate = "{$datepart[2]} {$datepart[1]} {$datepart[5]} {$datepart[3]} {$datepart[4]}";
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//$time = (int)time() - @strtotime($twitter_time_string);
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$time = (int)time() - @strtotime($shortdate);
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if((int)$time === 0){
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$out = 'a wink';
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}
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elseif($time < 60){
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$out = $time.' second';
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}
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elseif($time >= 60 && $time < 3600){
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$time = $time / 60;
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$out = ($time % 60).' minute';
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}
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elseif($time >= 3600 && $time < 86400){
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$time = $time / 3600;
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$out = ($time % 3600).' hour';
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}
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elseif($time >= 86400 && $time < 604800){
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$time = $time / 86400;
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$out = ($time % 86400).' day';
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}
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elseif($time >= 604800 && $time < 2419200){
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$time = $time / 604800;
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$out = ($time % 604800).' week';
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}
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elseif($time >= 2419200 && $time < 29030400){
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$time = $time / 2419200;
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$out = ($time % 2419200).' month';
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}
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else{
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$time = $time / 29030400;
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$out = ($time % 29030400).' year';
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}
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if((int)$time > 1){
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$out .= 's';
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}
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return $out . ' ago';
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}
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function get_status_url( $account, $status_id ) {
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return $this->get_base_url() . ($this->use_identica?'notice/': $account . '/status/') . $status_id;
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}
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}
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