gmp_andgmp_clrbit
(PHP 4 >= 4.0.4, PHP 5)
gmp_clrbit — Clear bit
설명
void gmp_clrbit
( resource $a
, int $index
)
Clears (sets to 0) bit index in a . The index starts at 0.
반환값
GMP 수 resource.
예제
Example #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";
?>
위 예제의 출력:
254
주의
Note: 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.
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