PHP Manual
Prev		Next

gmp_scan0

(PHP 4 >= 4.0.4, PHP 5)

gmp_scan0 -- Scan for 0

Description

int gmp_scan0 ( resource a, int start )

Scans a, starting with bit start, towards more significant bits, until the first clear bit is found. Returns the index of the found bit. The index starts from 0.

Example 1. gmp_scan0() example


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

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

The printout of the above program will be:

3
7

Prev	Home	Next
gmp_random	Up	gmp_scan1

Copyright © 1997 - 2007 by the PHP Documentation Group. This material may be distributed only subject to the terms and conditions set forth in the Open Publication License, v1.0 or later. A copy of the Open Publication License is distributed with this manual, the latest version is presently available at http://www.opencontent.org/openpub/. Please see full copyright text at http://www.php.net/manual/en/copyright.php Original version of the above documentation is available at http://www.php.net/manual/en/

Please click on auto parts exchange buy sell php mysql script
Please Also click on our Web developers Showcase