php man page for gmp_scan1

Query: gmp_scan1

OS: php

Section: 3

Format: Original Unix Latex Style Formatted with HTML and a Horizontal Scroll Bar

GMP_SCAN1(3)								 1							      GMP_SCAN1(3)

gmp_scan1 - Scan for 1

SYNOPSIS
int gmp_scan1 (GMP $a, int $start)
DESCRIPTION
Scans $a, starting with bit $start, towards more significant bits, until the first set bit is found.
PARAMETERS
o $a - The number to scan. Either a GMP number resource in PHP 5.5 and earlier, a GMP object in PHP 5.6 and later, or a numeric string provided that it is possible to convert the latter to a number. o $start - The starting bit.
RETURN VALUES
Returns the index of the found bit, as an integer. If no set bit is found, -1 is returned.
EXAMPLES
Example #1 gmp_scan1(3) example <?php // "1" bit is found at position 3. index starts at 0 $s1 = gmp_init("01000", 2); echo gmp_scan1($s1, 0) . " "; // "1" bit is found at position 9. index starts at 5 $s2 = gmp_init("01000001111", 2); echo gmp_scan1($s2, 5) . " "; ?> The above example will output: 3 9 PHP Documentation Group GMP_SCAN1(3)
Related Man Pages
strripos(3) - php
gmp_clrbit(3) - php
gmp_div_r(3) - php
gmp_gcdext(3) - php
gmp_setbit(3) - php
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