gmp_setbit
Description
The gmp_setbit of GMP for PHP sets a bit.
Syntax
gmp_setbit(
GMP $num,
int $index,
bool $value = true
): voidParameters
num
A GMP object.
index
The index of the bit to set. Index 0 represents the least significant bit.
value
True to set the bit to 1 (on); false to clear/set the bit to 0 (off).
Return
No value is returned.
Examples
1 · num index · 0
<? $num = 0b100; $index = 0; $num = gmp_init($num); gmp_setbit($num, $index); $base = 2; $gmp_strval = gmp_strval($num, $base); echo $gmp_strval; ?>
101
2 · num index · 1
<? $num = 0b100; $index = 1; $num = gmp_init($num); gmp_setbit($num, $index); $base = 2; $gmp_strval = gmp_strval($num, $base); echo $gmp_strval; ?>
110
3 · value · false
<? $num = 0b101; $index = 0; $value = false; $num = gmp_init($num); gmp_setbit($num, $index, $value); $base = 2; $gmp_strval = gmp_strval($num, $base); echo $gmp_strval; ?>
100
4 · value · true
<? $num = 0b100; $index = 0; $value = true; $num = gmp_init($num); gmp_setbit($num, $index, $value); $base = 2; $gmp_strval = gmp_strval($num, $base); echo $gmp_strval; ?>
101
Links
Related
GMP
- gmp_abs
- gmp_add
- gmp_and
- gmp_binomial
- gmp_clrbit
- gmp_cmp
- gmp_com
- gmp_div
- gmp_div_q
- gmp_div_qr
- gmp_div_r
- gmp_divexact
- gmp_export
- gmp_fact
- gmp_gcd
- gmp_gcdext
- gmp_hamdist
- gmp_import
- gmp_init
- gmp_intval
- gmp_invert
- gmp_jacobi
- gmp_kronecker
- gmp_lcm
- gmp_legendre
- gmp_mod
- gmp_mul
- gmp_neg
- gmp_nextprime
- gmp_or
- gmp_perfect_power
- gmp_perfect_square
- gmp_popcount
- gmp_pow
- gmp_powm
- gmp_prob_prime
- gmp_random_bits
- gmp_random_range
- gmp_random_seed
- gmp_root
- gmp_rootrem
- gmp_scan0
- gmp_scan1
- gmp_sign
- gmp_sqrt
- gmp_sqrtrem
- gmp_strval
- gmp_sub
- gmp_testbit
- gmp_xor
