(PHP 4 >= 4.0.4, PHP 5)
gmp_scan1 — Scan for 1
$a
, int $start
)
Scans a
, starting with bit
start
, towards more significant bits,
until the first set bit is found.
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.
Returns the index of the found bit, as an integer. If no set bit is found, -1 is returned.
Örnek 1 gmp_scan1() example
<?php
// "1" bit is found at position 3. index starts at 0
$s1 = gmp_init("01000", 2);
echo gmp_scan1($s1, 0) . "\n";
// "1" bit is found at position 9. index starts at 5
$s2 = gmp_init("01000001111", 2);
echo gmp_scan1($s2, 5) . "\n";
?>
Yukarıdaki örneğin çıktısı:
3 9