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<?php $prices = [299, 599, 149, 999, 49, 799]; $expensive = array_filter($prices, fn($p) => $p >= 500); $discounted = array_map(fn($p) => round($p * 0.9, 2), $prices); $total = array_reduce($prices, fn($s,$p) => $s+$p, 0); echo "<p>Expensive (≥$500): " . implode(", ", $expensive) . "</p>"; echo "<p>10% off: " . implode(", ", $discounted) . "</p>"; echo "<p>Total: $$total</p>"; ?>
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