Php gmp scan1 () function

Write your php code

(PHP 4 >= 4.0.4, PHP 5)

gmp_scan1 -- Scan for 1

Syntax

int gmp_scan1 ( resource a, int start )

Scans a, starting with bit start, towards more significant bits, until the first set bit is found. Returns the index of the found bit. If no set bit is found, -1 is returned.

Example 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";
?>

The printout of the above program will be:

3
9

Php gmp scan1 Function syntax tag

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Php gmp scan1 syntax tutorial

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