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(PHP 4 >= 4.0.4, PHP 5)
gmp_scan0 — Scan for 0
Scans a , starting with bit start , towards more significant bits, until the first clear bit is found.
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.
The starting bit.
Returns the index of the found bit, as an integer. 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 above example will output:
3 7
gmp_random
