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gmp_setbit> <gmp_scan0
Last updated: Fri, 27 Nov 2009

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gmp_scan1

(PHP 4 >= 4.0.4, PHP 5)

gmp_scan1Scan for 1

Açıklama

int gmp_scan1 ( resource $a , int $start )

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

Değiştirgeler

a

The number to scan.

Ya resource türünde bir GMP sayısı ya da sonradan bir sayıyı dönüştürülmesi mümkün bir sayısal dizge olabilir.

start

The starting bit.

Dönen Değerler

Returns the index of the found bit, as an integer. If no set bit is found, -1 is returned.

Örnekler

Örnek 1 gmp_scan1() example

<?php
// "1" bit is found at position 3. index starts at 0
$s1 gmp_init("01000"2);
echo 
gmp_scan1($s10) . "\n";

// "1" bit is found at position 9. index starts at 5
$s2 gmp_init("01000001111"2);
echo 
gmp_scan1($s25) . "\n";
?>

Yukarıdaki örneğin çıktısı:

3
9



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gmp_setbit> <gmp_scan0
Last updated: Fri, 27 Nov 2009
 
 
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