<?php$resource = gmp_powm ( "2", // resource $base "31", // resource $exp "2147483649" // resource $mod);// shows the result$string = gmp_strval($resource);?>
$resource = 'GMP instance' $string = '2147483648'
'GMP instance'
'2147483648'
#1
gmp_powm
("2", "31", "2147483649")
#2
("3", "2", "4")