<?php$resource = gmp_and ( "0xfffffffff4", // resource $a "0x8" // resource $b);// shows the result$string = gmp_strval($resource);?>
$resource = 'GMP instance' $string = '0'
'GMP instance'
'0'
#1
gmp_and
("0xfffffffff4", "0x4")
#2
("0xfffffffff4", "0x8")