gmp_clrbit
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_clrbit — Clear bit
Beschreibung
Clears (sets to 0) bit index in
num. The index starts at 0.
Parameter-Liste
-
num -
A GMP object.
-
index -
The index of the bit to clear. Index 0 represents the least significant bit.
Rückgabewerte
Ein GMP-Objekt.
Beispiele
Beispiel #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";
?>Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
254
Anmerkungen
Hinweis:
Unlike most of the other GMP functions, gmp_clrbit() must be called with a GMP object that already exists (using gmp_init() for example). One will not be automatically created.
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