gmp_scan0

PHP Manual
Prev		Next

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