3v4l.org

run code in 300+ PHP versions simultaneously
<?php $val = 8/16; $fr = 10; $to = 16; if (strcmp($val, base_convert($val, $fr, $fr) )) { echo "$val isn't purely in base $fr"; } else { $newval = base_convert($val, $fr, $to); echo "new val is $newval"; } echo 5 / pow(10,-1);

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38.53 ms | 402 KiB | 5 Q