## mark a section (Learn more)

<? function showRoboTweets($q, $limit=5) { if($q) { $twitter = new rbc_latesttweets(); $twitter->getTweets($q, $limit); echo $twitter->echoTweets(); } else echo "<ul class=\"latesttweets\"><li class=\"error\">Kein Suchbegriff angegeben</li></ul>\n"; } class rbc_latesttweets { private $tweets = ""; private $type = ""; private $q = ""; // Was soll gesucht werden? public function getQueryType($q) { if($q[0]=="#") { $this->q = "%23".substr($q,1); $this->type = 1; } elseif($q[0]=="@") { $this->q = "to%3A".substr($q,1); $this->type = 2; } elseif($q[0]=="%" && $q[1]=="@") { $this->q = "%40".substr($q,2); $this->type = 3; } else { $this->q = "from:".$q; $this->type = 4; } } // Tweets von Twitter holen public function getTweets($q, $limit) { $this->getQueryType($q); $ch = curl_init(); curl_setopt($ch, CURLOPT_URL, "http://search.twitter.com/search.atom?q=".$this->q."&rpp=".$limit); curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1); curl_setopt($ch, CURLOPT_HEADER, 0); curl_setopt($ch, CURLOPT_TIMEOUT, 15); $res = curl_exec($ch); if(!$res) $this->tweets = "\n\t<ul class=\"latesttweets\"><li class=\"error\">Verbindung fehlgeschlagen</li></ul>\n"; else $this->formatTweets($res); curl_close($ch); } // HTML-Auswurf generieren public function formatTweets($xmlstring) { $xml = simplexml_load_string($xmlstring); $output = "\n\t<ul class=\"latesttweets\">\n"; if(sizeOf($xml->entry)>0){ foreach($xml->entry as $tweet) { $output .= "\t\t<li>"; $output .= $tweet->content."<span>".$this->formatTimestamp($tweet->updated); if($this->type!=4) $output .= " von <a href=\"".$tweet->author->uri."\" title=\"".$tweet->author->name."\">".$tweet->author->name."</a>"; $output .= "</span>"; $output .= "</li>\n"; } } else $output .= "\t\t<li class=\"notice\">Keine Tweets gefunden</li>\n"; $output .= "\t</ul>\n"; $this->tweets = $output; } // Atom Zeitstempel für Menschen lesbar machen public function formatTimestamp($timestamp) { $unix_timestamp = strtotime($timestamp); $seconds = time() - $unix_timestamp; $minutes = 0; $hours = 0; $days = 0; $weeks = 0; $months = 0; $years = 0; if ($seconds == 0) $seconds = 1; if ($seconds> 60) { $minutes = $seconds/60; } else { return $this->germanize_time_since($seconds,'Sekunde'); } if ( $minutes >= 60 ) { $hours = $minutes/60; } else { return $this->germanize_time_since($minutes,'Minute'); } if ( $hours >= 24) { $days = $hours/24; } else { return $this->germanize_time_since($hours,'Stunde'); } if ( $days >= 7 ) { $weeks = $days/7; } else { return $this->germanize_time_since($days,'Tag'); } if ( $weeks >= 4 ) { $months = $weeks/4; } else { return $this->germanize_time_since($weeks,'Woche'); } if ( $months>= 12 ) { $years = $months/12; return $this->germanize_time_since($years,'Jahr'); } else { return $this->germanize_time_since($months,'Monat'); } } // Ausdeutschen public function germanize_time_since($num,$word) { $num = floor($num); $addon = "n"; if($word=="Tag" || $word=="Monat") $addon = "en"; if ($num == 1) return "Vor ".$num." ".$word; else return "Vor ".$num." ".$word.$addon; } // Rückgabe public function echoTweets() { if($this->tweets=="") return "\n\t<ul class=\"latesttweets\"><li class=\"error\">Upppss.. irgendwas ist total in die Hose</li></ul>\n"; else return $this->tweets; } } ?>

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