<?php for ($i = 18; $i < 23; ++$i) { $hash = '$2y$10$' . str_repeat('A', $i + 1); $sum = 0.0; for ($j = 0; $j < 5; ++$j) { $start = microtime(true); password_verify('a', $hash); $end = microtime(true); $sum += $end - $start; unset($start, $end); } printf("%02d: %.5f\n", $i + 1, $sum / 30); }
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