modify_rss_with_youtube_curl.php

<?php

function jma_yt_kid_curl($url)
{
    $curl = curl_init($url);

    //curl_setopt($curl, CURLOPT_SSLVERSION,3);//forMAMP
    curl_setopt($curl, CURLOPT_RETURNTRANSFER, 1);
    $result = curl_exec($curl);
    curl_close($curl);
    $return = json_decode($result, true);
    if (!$return || array_key_exists('error', $return)) {
        if (is_array($return) && array_key_exists('error', $return)) {
            $return = $return['error']['errors'][0]['reason'];
        }//keyInvalid, playlistNotFound, accessNotConfigured, ipRefererBlocked, keyExpired
        else {
            $return = 'unknown';
        }
    }
    return $return;
}

function jma_kid_video_snippet($id)
{
    global $jmayt_api_code;
    $snippet = array();
    $youtube = 'https://www.googleapis.com/youtube/v3/videos?&part=snippet,contentDetails,statistics,status&id=' . $id . '&key=' . $jmayt_api_code;
    $curl_array = jma_yt_kid_curl($youtube);
    if (is_array($curl_array)) {
        if (!count($curl_array['items'])) {
            return 'videoNotFound';
        }
        $snippet = $curl_array['items'][0];
    } elseif (is_string($curl_array)) {
        $snippet = $curl_array;
    }
    return $snippet;
}

function jma_kid_build_ythtml($yt_array)
{
    $top = $bottom = '';
    foreach ($yt_array as $i => $item) {
        $open_div = '<div style="background:#004400;position:relative;width:49%;">';
        $image = '<a href="' . $item['address'] . '">';
        $image .= '<img style="width: 100%;height:auto" src="' . $item['image_url'] . '" alt="' . $item['title'] . '">';
        $image .= '</a>';
        $caption = '<div style="padding:3px;color:#ffffff;text-align:center;font-size:0.8em;line-height: 110%">click for video:<br/>' . $item['title'] . '</div>';
        $close_div = '</div>';
        if (!$i) {//first item
            $open_div = str_replace('style="', 'style="float:right;margin: 0 0 15px 15px;', $open_div);
            $top .= $open_div . $image . $caption . $close_div;
        } else {//bottom
            $open_div = str_replace('style="', 'style="float:left;margin-bottom:3px;', $open_div);
            if ($i % 2) {//odd
                $open_div = str_replace('style="', 'style="clear:both;', $open_div);
            } else {//even(left)
                $open_div = str_replace('style="', 'style="margin-left:1%;', $open_div);
            }
            $bottom .= $open_div . $image . $caption . $close_div;
        }
    }
    return array('top' => $top, 'bottom' => $bottom);
}

function jma_kid_the_content_feed($content)
{
    if (has_tag('share')) {
        global $post;
        $yt_array = array();
        $blocks = parse_blocks($post->post_content);
        foreach ($blocks as $block) {
            if ($block['blockName'] == 'jmayt-single/block') {
                $snippet = jma_kid_video_snippet($block['attrs']['id']);
                if (is_array($snippet)) {
                    $img_url = isset($snippet['snippet']['thumbnails']['maxres'])? $snippet['snippet']['thumbnails']['maxres']['url']:$snippet['snippet']['thumbnails']['high']['url'];
                    $yt_array[] = array(
                    'title' => $snippet['snippet']['title'],
                    'image_url' => $img_url,
                    'address' => 'https://www.youtube.com/watch?v=' . $block['attrs']['id']
                );
                }
            }
        }
        $thumb = get_the_post_thumbnail($post, 'large', array( 'style' => 'width:100%;margin-bottom:15px' ));
        $title = '<div style"margin-bottom: 10px"><a href="' . get_the_permalink() . '" alt="' . get_the_title() . '"><h2>' . get_the_title() . '</h2></a>';
        $by_line = '<div style"margin-bottom: 10px">by ' . get_the_author() . ' on ' . get_the_date('F jS') . '</div>';

        $ythtmls = array('top' => '', 'bottom' => '');
        if (count($yt_array)) {
            $ythtmls = jma_kid_build_ythtml($yt_array);
        }

        $content = $thumb . $title . $by_line. $ythtmls['top'] . $content. $ythtmls['bottom'];

        $content = str_replace(
            array(
                '<button class="jmayt-btn jmayt-sm" >&#xe140;</button>',
                '<sup style="margin-right: 0.5em;font-size: 1em;opacity:0.5"><i class="fas fa-quote-left"></i></sup>',
                '<div id="jmaty'
            ),
            array(
                '',
                '&quot;',
                '<div style="display:none" id="jmaty'
            ),
            $content
        );
    }
    return $content;
}

function jma_kid_template_redirect()
{
    add_filter('the_content_feed', 'jma_kid_the_content_feed');
}
add_action('template_redirect', 'jma_kid_template_redirect');