3v4l.org

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<?php $step = 5; $usernumber = 188; $myseries = range(0, 59, $step); $myseries = range(0, 59, 5); $check = round($usernumber/$step) * $step; echo "<br>".$check; if(in_array($check,$myseries)) echo "<br>".$check; else echo "<br>".max($myseries);
Output for 5.3.0 - 5.3.29, 5.4.0 - 5.4.45, 5.5.0 - 5.5.38, 5.6.0 - 5.6.30, 7.0.0 - 7.0.20, 7.1.0 - 7.1.7, 7.2.29 - 7.2.33, 7.3.12 - 7.3.33, 7.4.0 - 7.4.33, 8.0.0 - 8.0.30, 8.1.0 - 8.1.28, 8.2.0 - 8.2.18, 8.3.0 - 8.3.7
<br>190<br>55

preferences:
206.86 ms | 404 KiB | 316 Q