gmp_scan0
(PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)
gmp_scan0 — Scan for 0
Beschreibung
Scans num1, starting with bit
start, towards more significant bits,
until the first clear bit is found.
Parameter-Liste
Rückgabewerte
Returns the index of the found bit, as an int. The index starts from 0.
Beispiele
Beispiel #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";
?>Das oben gezeigte Beispiel erzeugt folgende Ausgabe:
3 7
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