34 lines
609 B
PHP
34 lines
609 B
PHP
<?php
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$sites = file("sites.txt", FILE_IGNORE_NEW_LINES | FILE_SKIP_EMPTY_LINES);
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$current = $_GET['site'] ?? '';
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if (!$current) {
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echo "No site specified.";
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exit;
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}
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$index = array_search($current, $sites);
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if ($index === false) {
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echo "Site not in ring.";
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exit;
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}
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$total = count($sites);
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$prevIndex = ($index - 1 + $total) % $total;
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$nextIndex = ($index + 1) % $total;
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$prev = $sites[$prevIndex];
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$next = $sites[$nextIndex];
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?>
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<div class="webring">
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<a href="<?= htmlspecialchars($prev) ?>">← Previous</a>
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<a href="<?= htmlspecialchars($next) ?>">Next →</a>
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</div>
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