The code on this page is to support the article here titled "Add Thumbnail Image (Links) from a YouTube RSS Feed to WordPress with Shortcode". That article should be referenced for information on the available argument array and formatting options.
The function requires three additional supporting functions:
- For truncating a title to a number of words, use
beliefmedia_truncate_words() from this page (the function has the title "Truncate to a Word Count"). - To return an appropriate image, the second
beliefmedia_youtube_thumbnail()function is required from this page, titled "Get YouTube Thumbnail With PHP".- The
beliefmedia_youtube_thumbnail_size()function as provided on our shortcode article is required.- Simple Cache is required to cache the returned result. Get it here.
- To return an appropriate image, the second
PHP Code
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<?php
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include('../simple-cache/cache.inc.php');
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/*
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Add Thumbnail Image (Links) from a YouTube RSS Feed to WordPress with Shortcode
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http://www.beliefmedia.com/youtube-rss-tower-wordpress
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*/
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$atts = array(
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'number' => '4',
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'thumbnail' => '5',
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'width' => '280',
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'random' => 0,
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'style' => 0,
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'span' => 0,
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'words' => 0,
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'type' => '0',
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'cache' => 18 * 3600
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);
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/* Merge $args with $atts */
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if ($cached !== false) {
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return $cached;
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} else {
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$rss = 'https://www.youtube.com/feeds/videos.xml?channel_id=' . $channel;
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if ($xml === false) return 'Error Loading RSS Feed.';
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$xml = $xml['entry'];
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for ($i = 0; $i < $atts['number']; $i++) {
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$title = $xml["$i"]->title;
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if ($atts['words']) $title = beliefmedia_truncate_words($title, $atts['words'], $trimmarker = '..');
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$attributes = $xml["$i"]->link->attributes();
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$href = $attributes['href'];
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$pubdate = $xml["$i"]->published;
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/* Get video ID */
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$id = $url_vars['v'];
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/* Get video dimensions */
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$url = $video['url'];
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if ($atts['width']) {
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}
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switch ($atts['type']) {
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case '0':
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/* Default span CSS */
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if (!$atts['span']) $atts['span'] = 'font-size: 0.9em; color: white; font-weight: bold;';
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$return .= '<a href="' . $link . '" target="_blank" rel="noopener noreferrer"><img src="' . $url . '" width="' . $w . '" height="' . $height . '" alt="' . $title . '" title="' . $title . '"></a>';
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$return .= '<div style="padding-top: 10px; padding-bottom: 20px;"><span style="' . $atts['span'] . '"><a href="' . $link . '" target="_blank" title="' . $title . '" rel="noopener noreferrer">' . $title . '</a></span></div>';
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break;
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case '1':
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/* Default span CSS */
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if (!$atts['span']) $atts['span'] = 'color: white; font-size: 0.9em; font-weight:bold; background:rgba(0,0,0,0.6); padding: 2px;';
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$return .= '<div style="height: ' . $height . 'px; width:' . $w . 'px; position: relative;">';
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$return .= '<a href="' . $link . '" target="_blank" rel="noopener noreferrer"><img style="position:absolute; left:0; top:0;" src="' . $url . '" width="' . $w . '" height="' . $height . '" alt="' . $title . '" title="' . $title . '" /></a>';
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$return .= '<div style="z-index:1; position: absolute; padding: 15px;"><span style="' . $atts['span'] . '">' . $title . '</span></div>';
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$return .= '</p></div>';
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$return .= '<div style="height: 12px; width: ' . $w . 'px;"> </div>';
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break;
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}
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}
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$result = '<div style="width: ' . $w . 'px; margin: 0 auto;';
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if ($atts['style']) $result .= $atts['style'];
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$result .= '">' . $return . '</div>';
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/* Set transient */
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beliefmedia_set_transient($transient, $result);
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return $result;
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}
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}
Usage is as follows:
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<?php
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/* Usage */
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/* Usage with function args */
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$args = array('number' => '2', 'random' => '1', 'type' => '1', 'width' => '300', 'style' => 'border: 5px dotted; background: #ff0000; padding-left: 10px; padding-right: 10px; padding-top: 10px;', 'span=' => 'font-size: 1.2em; font-weight: bold; background: #FFFF80; color: #000000');
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