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new plugin which embeds the contribution of SNS
Supported Facebook, Google+, Instagram, Twitter and Vine. #snsref(SNS Post URL[,width:(Digit)][,media:(1|0)][,thread:(1|0)][,caption:(1|0)][,audio:(0|1)][,related:(1:0)][,simple]) :width | Width(px) for Facebook, Instagram, Twitter and Vine. Google+ is not effective. :media | for Twitter :thread | for Twitter :caption | for Instagram :audio | for Vine :related | for Vine :simple | for Vine
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‎xoops_trust_path/modules/xpwiki/plugin/snsref.inc.php‎

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<?php
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class xpwiki_plugin_snsref extends xpwiki_plugin {
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private $usage, $sns, $options, $width, $fetcherr;
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public function plugin_snsref_init() {
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$this->usage = 'Usage: #snsref(SNS post URL) or &#38;snsref(SNS post URL);';
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$this->sns = array(
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'twitter' => '#^https?://twitter\.com/[a-z0-9_-]+/status/([0-9]+)#i',
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'google' => '#^(https?://plus\.google\.com/(?:[^/]+/)*?([0-9]+)/posts/([a-z0-9]+))#i',
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'facebook' => '#^(https?://www\.facebook\.com/(?:([a-z0-9._-]+)/posts/|photo.php\?fbid=)([0-9]+))#i',
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'instagram' => '#^https?://instagram\.com/p/([a-z0-9]+)#i',
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'vine' => '#^https?://vine\.co/v/([a-z0-9]+)#i',
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);
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$this->options = array(
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'media' => 1, // for twitter
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'thread' => 1, // for twitter
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'lang' => 'ja', // for twitter
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'width' => 466, // for Facebook, Instagram, Twitter and Vine. Google+ is not effective.
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'caption' => 1, // for instagram
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'audio' => 0, // for vine
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'related' => 1, // for vine
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'simple' => false, // for vine
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);
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$this->minwidth = 300;
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$this->maxwidth = 1024;
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}
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public function plugin_snsref_convert() {
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$args = func_get_args();
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if ($args) {
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$this->width = 0;
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$html = $this->getHtml($args);
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$width = ($this->width)? 'width:'.$this->width.'px' : '';
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return '<div style="'.$width.'" class="plugin_snsref">' . "\n" . $html . "\n" . '</div>';
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} else {
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return $this->usage;
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}
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}
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public function plugin_snsref_inline() {
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$args = func_get_args();
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$body = array_pop($args);
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if ($args) {
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$this->width = 0;
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$html = $this->getHtml($args);
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$width = ($this->width)? 'width:'.$this->width.'px' : '';
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return '<div style="display:inline-block;'.$width.'">' . $html . '</div>';
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} else {
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return $this->usage;
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}
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}
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/////////////////////
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// Pprivate functions
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private function getHtml($args) {
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$options = $this->options;
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$this->fetch_options($options, $args, array('url'));
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$options['width'] = max(min(intval($options['width']), $this->maxwidth), $this->minwidth);
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$url = $options['url'];
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foreach($this->sns as $host => $regex) {
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if (preg_match($regex, $url, $m)) {
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return '<!--NA-->'.$this->fetch($host, $options, $m).'<!--/NA-->';
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}
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}
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return 'Bad URL: '.$this->func->htmlspecialchars($url);
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}
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private function fetch($host, $options, $m) {
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switch ($host) {
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case 'twitter':
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return $this->fetch_twitter($options, $m);
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case 'google':
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return $this->fetch_google($options, $m);
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case 'facebook':
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return $this->fetch_facebook($options, $m);
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case 'instagram':
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$this->width = $options['width'];
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return $this->fetch_instagram($options, $m);
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case 'vine':
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return $this->fetch_vine($options, $m);
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default:
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$method = 'fetch_' . $host;
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if (method_exists($this, $method)) {
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return $this->$method($options, $m);
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} else {
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return 'Bad URL: '.$this->func->htmlspecialchars($url);
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}
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}
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}
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private function apiRequest($apiurl, $target = 'html') {
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$html = null;
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$this->fetcherr = false;
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$res = $this->func->http_request($apiurl);
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if ($res['rc'] === 200) {
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if ($res['data'] && $decd = json_decode($res['data'], true)) {
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if (is_array($decd) && isset($decd[$target])) {
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$html = mb_convert_encoding($decd[$target], $this->cont['SOURCE_ENCODING'], 'UTF-8');
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$ttl = 2592000; // 30days
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}
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}
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}
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if (is_null($html)) {
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$this->fetcherr = true;
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if ($res['rc'] === 404) {
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// Not found
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$html = 'Target post was not found: ';
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$ttl = 3600;
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} else {
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// Network error
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$html = 'Network error, Try after 10 minute: ';
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$ttl = 60;
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$this->root->rtf['disable_render_cache'] = true;
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}
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}
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return array($html, $ttl);
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}
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private function fetch_instagram($options, $m) {
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$url = $options['url'];
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$hidecaption = ($options['caption'] && $options['caption'] !== 'none')? '0' : '1';
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$id = $m[1];
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$ckey = 'i:' . $id . ':' . $hidecaption;
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$html = '';
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if ($html = $this->func->cache_get_db($ckey, 'snsref')) {
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return $html;
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}
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$html = $url;
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$ttl = 60;
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$apiurl = 'https://api.instagram.com/oembed/?beta=1&url=http://instagram.com/p/'.$id.'/&hidecaption='.$hidecaption;
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list($html, $ttl) = $this->apiRequest($apiurl);
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if ($this->fetcherr) {
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$html .= $this->func->htmlspecialchars($url);
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}
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$this->func->cache_save_db($html, 'snsref', $ttl, $ckey);
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return $html;
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}
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private function fetch_twitter($options, $m) {
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$url = $options['url'];
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$media = ($options['media'] && $options['media'] !== 'none')? '1' : '0';
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$thread = ($options['thread'] && $options['thread'] !== 'none')? '1' : '0';
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$lang = preg_replace('/[^a-zA-Z0-9._-]/', '', $options['lang']);
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$id = $m[1];
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$ckey = 't:' . $id . ':' . $media . $thread . $lang;
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$html = '';
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if ($html = $this->func->cache_get_db($ckey, 'snsref')) {
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$this->twitterSetWidth($html, $options);
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return $html;
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}
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$html = $url;
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$ttl = 60;
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$media = $media? 'false' : 'true';
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$thread = $thread? 'false' : 'true';
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$apiurl = 'https://api.twitter.com/1/statuses/oembed.json?hide_media='.$media.'&hide_thread='.$thread.'&lang='.$lang.'&id='.$id;
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list($html, $ttl) = $this->apiRequest($apiurl);
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if ($this->fetcherr) {
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$html .= $this->func->htmlspecialchars($url);
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}
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$this->func->cache_save_db($html, 'snsref', $ttl, $ckey);
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$this->twitterSetWidth($html, $options);
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return $html;
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}
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private function twitterSetWidth(&$html, $options) {
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$html = str_replace('<blockquote', '<blockquote width="'.$options['width'].'"', $html);
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}
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private function fetch_google($options, $m) {
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$this->func->add_js_head('//apis.google.com/js/plusone.js');
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return '<div class="g-post" data-href="https://plus.google.com/'.$this->func->htmlspecialchars($m[2]).'/posts/'.$this->func->htmlspecialchars($m[3]).'">Google+:<a href="'.$this->func->htmlspecialchars($m[1]).'">'.$this->func->htmlspecialchars($m[2].'-'.$m[3]).'</a></div>';
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}
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private function fetch_facebook($options, $m) {
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return '<div id="fb-root"></div> <script>(function(d, s, id) { var js, fjs = d.getElementsByTagName(s)[0]; if (d.getElementById(id)) return; js = d.createElement(s); js.id = id; js.src = "//connect.facebook.net/ja_JP/all.js#xfbml=1"; fjs.parentNode.insertBefore(js, fjs); }(document, \'script\', \'facebook-jssdk\'));</script>
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<div class="fb-post" data-href="'.$this->func->htmlspecialchars($m[1]).'" data-width="'.$options['width'].'"><div class="fb-xfbml-parse-ignore">Facebook: <a href="'.$this->func->htmlspecialchars($m[1]).'">'.$this->func->htmlspecialchars($m[2].'-'.$m[3]).'</a></div></div>';
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}
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private function fetch_vine($options, $m) {
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$audio = ($options['audio'] && $options['audio'] !== 'none')? '1' : '0';
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$related = ($options['related'] && $options['related'] !== 'none')? '1' : '0';
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$type = ($options['simple'])? 'simple' : 'postcard';
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return '<iframe class="vine-embed" src="https://vine.co/v/'.$m[1].'/embed/'.$type.'?audio='.$audio.'&amp;related='.$related.'" width="'.$options['width'].'" height="'.$options['width'].'" frameborder="0"></iframe><script async src="//platform.vine.co/static/scripts/embed.js" charset="utf-8"></script>';
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}
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}

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