gmp_sub
(PHP 4 >= 4.0.4)
gmp_sub -- Subtract numbers
Description
resource gmp_sub ( resource a, resource b)
Subtracts b from a and returns the result.
Example 1. gmp_sub() example
<?php
$sub = gmp_sub("281474976710656", "4294967296");
// 2^48 - 2^32
echo gmp_strval($sub) . "\n";
?>
The printout of the above program will be:
281470681743360
gmp_xor
(PHP 4 >= 4.0.4)
gmp_xor -- Logical XOR
Description
resource gmp_xor ( resource a, resource b)
Calculates logical exclusive OR (XOR) of two GMP numbers.
Example 1. gmp_xor() example
<?php
$xor1 = gmp_init("1101101110011101", 2);
$xor2 = gmp_init("0110011001011001", 2);
$xor3 = gmp_xor($xor1, $xor2);
echo gmp_strval($xor3, 2) . "\n";
?>
The printout of the above program will be:
1011110111000100
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