[plugin] Twitter cards update
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Elixcz
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4 changed files with 105 additions and 26 deletions
13
bl-plugins/twitter-cards/languages/cs_CZ.json
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13
bl-plugins/twitter-cards/languages/cs_CZ.json
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@ -0,0 +1,13 @@
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{
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"plugin-data":
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{
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"name": "Twitter Cards",
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"description": "With Twitter Cards, you can attach rich photos, videos and media experiences to Tweets, helping to drive traffic to your website."
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},
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"default-image": "Výchozí obrázek",
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"twitter-site-profile": "Profil stránky na Twitteru",
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"twitter-author-profile": "Profil autora příspěvku na Twitteru",
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"minimum-image-dimensions": "Minimální rozměry obrázku jsou 300x157px a maximum 4096x4096px.",
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"image-must-be-less": "Obrázek musí být menší než 5MB.",
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"formats-are-supported": "Jsou podporovány formáty pouze JPG, PNG, WEBP a GIF."
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}
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@ -4,5 +4,10 @@
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"name": "Twitter Cards",
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"description": "With Twitter Cards, you can attach rich photos, videos and media experiences to Tweets, helping to drive traffic to your website."
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},
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"default-image": "Default image"
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}
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"default-image": "Default image",
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"twitter-site-profile": "Twitter site profile",
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"twitter-author-profile": "Twitter author profile",
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"minimum-image-dimensions": "The minimum image dimensions are 300x157px and the maximum 4096x4096px.",
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"image-must-be-less": "Image must be less than 5MB in size.",
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"formats-are-supported": "JPG, PNG, WEBP and GIF formats are supported."
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}
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@ -3,8 +3,8 @@
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"email": "",
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"website": "https://plugins.bludit.com",
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"version": "4.0.0",
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"releaseDate": "2021-05-23",
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"releaseDate": "2022-10-01",
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"license": "MIT",
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"compatible": "4.0.0",
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"notes": ""
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}
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}
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@ -6,7 +6,9 @@ class pluginTwitterCards extends Plugin {
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{
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// Fields and default values for the database of this plugin
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$this->dbFields = array(
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'defaultImage'=>''
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'defaultImage' => '',
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'twitterSite' => '',
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'twitterCreator' => ''
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);
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}
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@ -14,9 +16,24 @@ class pluginTwitterCards extends Plugin {
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{
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global $L;
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$html = '<div>';
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$html = '<div class="alert alert-primary" role="alert">';
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$html .= $this->description();
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$html .= '</div>';
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$html .= '<div>';
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$html .= '<label>'.$L->get('Default image').'</label>';
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$html .= '<input id="jsdefaultImage" name="defaultImage" type="text" value="'.$this->getValue('defaultImage').'" placeholder="https://">';
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$html .= '<p class="text-muted small">' . $L->get('minimum-image-dimensions') . ' ' . $L->get('image-must-be-less') . ' ' . $L->get('formats-are-supported') . '</p>';
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$html .= '</div>';
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$html .= '<div>';
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$html .= '<label>'.$L->get('Twitter site profile').'</label>';
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$html .= '<input id="jstwitterSite" name="twitterSite" type="text" value="'.$this->getValue('twitterSite').'" placeholder="@yourSiteProfile">';
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$html .= '</div>';
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$html .= '<div>';
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$html .= '<label>'.$L->get('Twitter author profile').'</label>';
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$html .= '<input id="jstwitterCreator" name="twitterCreator" type="text" value="'.$this->getValue('twitterCreator').'" placeholder="@authorProfile">';
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$html .= '</div>';
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return $html;
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@ -31,19 +48,20 @@ class pluginTwitterCards extends Plugin {
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global $page;
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$data = array(
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'card' =>'summary',
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'site' =>'',
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'title' =>$site->title(),
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'description' =>$site->description(),
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'image' =>''
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'card' => 'summary_large_image',
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'twitterSite' => $this->getValue('twitterSite'),
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'twitterCreator' => $this->getValue('twitterCreator'),
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'title' => $site->title(),
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'description' => $site->description(),
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'image' => ''
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);
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switch($WHERE_AM_I) {
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switch( $WHERE_AM_I ) {
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// The user filter by page
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case 'page':
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$data['title'] = $page->title();
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$data['description'] = $page->description();
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$data['image'] = $page->coverImage($absolute=true);
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$data['title'] = $page->title();
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$data['description'] = $page->description();
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$data['image'] = $page->coverImage( $absolute = true );
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$pageContent = $page->content();
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break;
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@ -53,32 +71,75 @@ class pluginTwitterCards extends Plugin {
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$pageContent = '';
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// The image it's from the first page
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if(isset($content[0]) ) {
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$data['image'] = $content[0]->coverImage($absolute=true);
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$data['image'] = $content[0]->coverImage( $absolute = true );
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$pageContent = $content[0]->content();
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}
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break;
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}
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$html = PHP_EOL.'<!-- Twitter Cards -->'.PHP_EOL;
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$html .= '<meta property="twitter:card" content="'.$data['card'].'">'.PHP_EOL;
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$html .= '<meta property="twitter:site" content="'.$data['site'].'">'.PHP_EOL;
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$html .= '<meta property="twitter:title" content="'.$data['title'].'">'.PHP_EOL;
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$html .= '<meta property="twitter:description" content="'.$data['description'].'">'.PHP_EOL;
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$html .= '<meta name="twitter:card" content="' . $data['card'] . '">'.PHP_EOL;
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$html .= '<meta name="twitter:site" content="' . $data['site'] . '">'.PHP_EOL;
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$html .= '<meta name="twitter:title" content="' . $data['title'] . '">'.PHP_EOL;
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$html .= '<meta name="twitter:creator" content="' . $data['twitterCreator'] . '">'.PHP_EOL;
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// If the page doesn't have a description try to get excerpt from content
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if( empty( $data['description'] ) )
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{
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$data['description'] = $this->content_excerpt( $pageContent , 150, '...');
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}
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$html .= '<meta name="twitter:description" content="' . $data['description'] . '">'.PHP_EOL;
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// If the page doesn't have a coverImage try to get an image from the HTML content
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if( empty($data['image']) ) {
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if( empty( $data['image'] ) ) {
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// Get the image from the content
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$src = DOM::getFirstImage($pageContent);
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if ($src!==false) {
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$src = DOM::getFirstImage( $pageContent );
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if ( $src !== false ) {
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$data['image'] = $src;
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} else {
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if (Text::isNotEmpty($this->getValue('defaultImage'))) {
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if ( Text::isNotEmpty( $this->getValue('defaultImage') ) ) {
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$data['image'] = $this->getValue('defaultImage');
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}
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}
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}
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$html .= '<meta property="twitter:image" content="'.$data['image'].'">'.PHP_EOL;
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$html .= '<meta name="twitter:image" content="'.$data['image'].'">'.PHP_EOL;
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$html .= '<!-- /Twitter Cards -->'.PHP_EOL.PHP_EOL;
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unset( $pageContent );
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unset( $data );
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return $html;
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}
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}
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/** Return excerpt from full content of post
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*
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* @param string $str Post content
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* @param int $n Number of characters
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* @param string $endChar End char append to after excerpt (default "...")
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* @return string
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*/
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private function content_excerpt( string $str, int $n = 500, string $endChar = '…' ): string
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{
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$str = strip_tags( $str );
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if ( mb_strlen( $str ) < $n )
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{
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return $str;
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}
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$str = preg_replace('/ {2,}/', ' ', str_replace(["\r", "\n", "\t", "\x0B", "\x0C"], ' ', $str));
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if ( mb_strlen( $str ) <= $n )
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{
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return $str;
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}
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$out = '';
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foreach ( explode( ' ', trim( $str ) ) as $val )
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{
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$out .= $val . ' ';
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if ( mb_strlen( $out ) >= $n )
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{
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$out = trim( $out );
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break;
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}
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}
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return ( mb_strlen( $out ) === mb_strlen( $str ) ) ? $out : $out . $endChar;
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}
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}
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