<?php$resource = gmp_pow ( "2", // resource $base 31 // int $exp);// shows the result$string = gmp_strval($resource);?>
$resource = 'GMP instance' $string = '2147483648'
'GMP instance'
'2147483648'
#1
gmp_pow
("2", 31)
#2
("0", 0)
#3
("2", -1)
#4
("2", 3)