- bcmod: documentation ( source)
- gmp_mod: documentation ( source)
- fmod: documentation ( source)
- pow: documentation ( source)
<?php
$inf = INF;
$p = pow(2.,64.);
echo bcmod("$inf","$p"),"\n";
echo fmod(INF,pow(2.,64.)),"\n";
echo gmp_mod("$inf","$p"),"\n";