RocketBeansTV Twitch Thumbnail

twitch.php

<?php
$channelname = "rocketbeanstv";
$height = 300;
$width = 164;
$font = 4; //1 bis 5 gültig
$path_file = dirname(__FILE__) . "/thumbnail.jpg";
$path = basename($path_file);
$text_alt = array("Der erste 24/7 Sender auf Twitch", "Lust mal wieder auf GIGA Stimmung?", "Rocketbeans.tv Live Twitch Stream", "GameOne abgesetzt? Hier gehts weiter!", "Eduard Laser!");
$text_filler = array("Nachtprogramm", "Feiertag!", "Wochenende!");
$stream = json_decode(get_url_contents("https://api.twitch.tv/kraken/streams/$channelname/"));
//$text = $stream->stream->game; //Aktuelles Spiel
$text = $stream->stream->channel->status; // Aktuelle Twitch Stream Überschrift
if(in_array($text, $text_filler)){
    $text = $text_alt[array_rand($text_alt)];
}

$img = imagecreatefromjpeg("http://static-cdn.jtvnw.net/previews-ttv/live_user_" . $channelname . "-" . $height . "x" . $width .".jpg");
$wmwidth = imagefontwidth($font) * strlen($text);
$wmheight  = imagefontheight($font);
$wm = imagecreate ($wmwidth, $wmheight);
imagecolorallocate ($wm, 222, 222, 222);
ImageString ($wm, $font, 0, 0, $text, ImageColorAllocate($wm, 0, 0, 0));
imagecopymerge($img, $wm, imagesx($img) - imagesx($wm), imagesy($img) - imagesy($wm), 0, 0, $wmwidth, $wmheight, 70);
imagejpeg ($img, $path_file);
imagedestroy($img);
imagedestroy($wm);
echo "<img src=\"$path\">";
//Das Bild wird mit Absicht nicht direkt ausgegeben

function get_url_contents($url){
    $crl = curl_init();
    $timeout = 5;
    curl_setopt ($crl, CURLOPT_URL,$url);
    curl_setopt ($crl, CURLOPT_RETURNTRANSFER, 1);
    curl_setopt ($crl, CURLOPT_CONNECTTIMEOUT, $timeout);
    $ret = curl_exec($crl);
    curl_close($crl);
    return $ret;
}
?>