本文实例讲述了PHP封装的Twitter访问类。分享给大家供大家参考。具体如下：
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class Twitter {
/**
* Method to make twitter api call for the users timeline in XML
*
* @access private
* @param $twitter_id, $num_of_tweets
* @return $xml
*/
private function api_call($twitter_id, $num_of_tweets) {
$c = curl_init();
curl_setopt($c, CURLOPT_URL, "http://twitter.com/statuses/user_timeline/$twitter_id.xml?count=$num_of_tweets");
curl_setopt($c, CURLOPT_RETURNTRANSFER, 1);
curl_setopt($c, CURLOPT_CONNECTTIMEOUT, 3);
curl_setopt($c, CURLOPT_TIMEOUT, 5);
$response = curl_exec($c);
$response_info = curl_getinfo($c);
curl_close($c);
if (intval($response_info['http_code']) == 200) {
$xml = new SimpleXMLElement($response);
return $xml;
} else {
return false;
}
}
/**
* Method to add hyperlink html tags to any urls, twitter ids or hashtags in tweet
*
* @access private
* @param $text
* @return $text
*/
private function process_links($text) {
$text = utf8_decode($text);
$text = preg_replace('@(https?://([-\\w\\.]+)+(d+)?(/([\\w/_\\.]*(\\?\\S+)?)?)?)@', '<a href="$1">$1</a>', $text);
$text = preg_replace("#(^|[\\n ])@([^ \\"\\t\\n\\r<]*)#ise", "'\\\\1<a href=\\"http://www.twitter.com/\\\\2\\" >@\\\\2</a>'", $text);
$text = preg_replace("#(^|[\\n ])\\#([^ \\"\\t\\n\\r<]*)#ise", "'\\\\1<a href=\\"http://hashtags.org/search?query=\\\\2\\" >#\\\\2</a>'", $text);
return $text;
}
/**
* Main method to retrieve the tweets and return html for display
*
* @access public
* @param $twitter_id, $num_of_tweets, $timezone
* @return $result
*/
public function get_tweets($twitter_id, $num_of_tweets = 3, $timezone = "America/Denver") {
$include_replies = false;
date_default_timezone_set($timezone);
// the html markup
$cont_o = "<div id=\\"tweets\\">\\n";
$tweet_o = "<div class=\\"status\\">\\n";
$tweet_c = "</div>\\n\\n";
$detail_o = "<div class=\\"details\\">\\n";
$detail_c = "</div>\\n\\n";
$cont_c = "</div>\\n";
if ($twitter_xml = $this->api_call($twitter_id, $num_of_tweets)) {
$result = $cont_o;
foreach ($twitter_xml->status as $key => $status) {
if ($include_replies == true | substr_count($status->text, "@") == 0 | strpos($status->text, "@") != 0) {
$tweet = $this->process_links($status->text);
$result .= $tweet_o . $tweet . $tweet_c . $detail_o . date('D jS M y H:i', strtotime($status->created_at)) . $detail_c;
}
}
$result .= $cont_c;
} else {
$result .= $cont_o . $tweet_o . "Twitter seems to be unavailable at the moment." . $tweet_c . $cont_c;
}
return $result;
}
}
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