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<?php function myRound($n) { $log = (int)log10($n); $res = ceil($n/10**($log-1)); echo $res; return $res * 10**($log-1); } printf ("%d >> %d" . PHP_EOL, 1256, myRound(1256)); printf ("%d >> %d" . PHP_EOL, 1200.98, myRound(1200.98)); printf ("%d >> %d" . PHP_EOL, 138, myRound(138)); printf ("%d >> %d" . PHP_EOL, 11.001, myRound(11.001));
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