doti3/bar/src/rss.php

#!/usr/bin/php7.1
<?php

require __DIR__.'/base/block.php';

$rss = $argv[1] ?? null;
$client = $argv[2] ?? null;

if (empty($rss)) {
    die;
}

$content = @file_get_contents($rss);

if (empty($content)) {
    die;
}

preg_match_all('/<entry/isU', $content, $matches, PREG_SET_ORDER);

$title = pemoji(0xf09e);
$count = count($matches);

if ($count > 0) {
    $title .= ' +'.$count;
}

$fullText = span($title, $count ? color('normal') : color('info'), '#333');

if ($client && (int) getenv('BLOCK_BUTTON') === 1) {
    shell_exec(sprintf('xdg-open %s', escapeshellarg($client)));
}

echo block(
    'rss',
    [
        'full_text' => $fullText,
    ]
);