gmp_scan0
(PHP 4 >= 4.0.4, PHP 5)
gmp_scan0 -- Scan for 0
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.
Пример 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";
?>
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The printout of the above program will be:
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