PHP 8.1.0 RC 2 available for testing

gmp_scan0

(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

gmp_scan0Scan for 0

Açıklama

gmp_scan0(GMP|int|string $num1, int $start): int

Scans num1, starting with bit start, towards more significant bits, until the first clear bit is found.

Değiştirgeler

num1

The number to scan.

Bir GMP nesnesi, bir tamsayı veya sayısal bir dizge.

start

The starting bit.

Dönen Değerler

Returns the index of the found bit, as an int. The index starts from 0.

Örnekler

Örnek 1 gmp_scan0() example

<?php
// "0" bit is found at position 3. index starts at 0
$s1 gmp_init("10111"2);
echo 
gmp_scan0($s10) . "\n";

// "0" bit is found at position 7. index starts at 5
$s2 gmp_init("101110000"2);
echo 
gmp_scan0($s25) . "\n";
?>

Yukarıdaki örneğin çıktısı:

3
7

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