<?php $a = 5; $n = 2; echo $a % $n,"\n"; //echo mod($a,$n),"\n"; PHP doesn't have mod() but does have fmod(); see http://php.net/fmod echo fmod((float)$a,(float)$n),"\n"; echo $a - ($n * (int)($a/$n)),"\n"; $a = INF; $n = pow(2.,64.); echo $a % $n,"\n"; echo fmod((float)$a,(float)$n),"\n"; echo $a - ($n * (int)($a/$n)),"\n";
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