<?php $s = ''; for ($i = 0; $i < 10000000; ++$i) { // 10 MB $s .= rand(0, 9); } $s .= $s . $s . $s . $s . $s; // 100Mb echo "data: " . mb_strlen($s) / (1024 * 1024) . " Mb"; $start = microtime(true); for ($i = 0; $i < 1000; ++$i) { mb_strlen($s); } $end = microtime(true); echo "result = " . ($end - $start);
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