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<?php $arr = range(0, 9999); // Большой массив для теста // Вариант 1: Использование shuffle() $start = microtime(true); shuffle($arr); echo "shuffle() время: " . (microtime(true) - $start) . " секунд\n"; // Вариант 2: Самописная реализация $arr = range(0, 9999); $cnt = count($arr); $shuffled = []; $start = microtime(true); while ($cnt > 0) { $shuffled = array_merge($shuffled, array_splice($arr, rand(0, $cnt - 1), 1)); $cnt--; } echo "Самописная реализация время: " . (microtime(true) - $start) . " секунд\n";
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