3v4l.org

run code in 300+ PHP versions simultaneously
<?php $win = 0; $lose = 0; for ($i=0;$i<=10000;$i++) { $throw1 = rand(1,2); // 1 = head, 2 = tail $throw2 = rand(1,2); if($throw1 == 1 or $throw2 == 1) { if($throw1==1 && $throw2 ==1) { $win++; } else { $lose++; } } } echo $win." "; echo $lose; echo " Proba=".($win/($win+$lose)); ?>

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33.31 ms | 402 KiB | 5 Q