gmp_clrbit
(PHP 4 >= 4.0.4, PHP 5)
gmp_clrbit -- Clear bit
Description
void
gmp_clrbit ( resource &a, int index)
Clears (sets to 0) bit index in a. The index starts at 0.
Замечание: Unlike most of the other GMP functions, gmp_clrbit() must be called with a GMP resource that already exists (using gmp_init() for example). One will not be automatically created.
Пример 1. gmp_clrbit() example
<?php $a = gmp_init("0xff"); gmp_clrbit($a, 0); // index starts at 0, least significant bit echo gmp_strval($a) . "\n"; ?> |
The printout of the above program will be:
|
Смотрите также gmp_setbit().