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<?php $products = [ ["name"=>"Phone", "price"=>699], ["name"=>"Laptop", "price"=>1299], ["name"=>"Tablet", "price"=>449], ["name"=>"Watch", "price"=>199], ]; usort($products, fn($a,$b) => $a["price"] <=> $b["price"]); echo "<h3>Products (cheapest first)</h3><ol>"; foreach ($products as $p) { echo "<li>{$p["name"]}: \${$p["price"]}</li>"; } echo "</ol>"; ?>
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