Javascript debugger
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gmp_scan0
Scan for 0
(PHP 4 >= 4.0.4, PHP 5)
int gmp_scan0 ( resource a, int start )
Scans a, starting with bit start, towards more significant bits, until the first clear bit is found.
Parameters
- a
The number to scan.
It can be either a GMP number resource, or a numeric string given that it is possible to convert the latter to a number.
- start
The starting bit.
Examples
Example 810. 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 above example will output:
3
7