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    gmp_scan0

    (PHP 4 >= 4.0.4, PHP 5, PHP 7, PHP 8)

    gmp_scan0 — Scan for 0

    Descrição

    gmp_scan0(GMP|int|string $num1, int $start): int

    Scans num1, starting with bit start, towards more significant bits, until the first clear bit is found.

    Parâmetros

    num1

    The number to scan.

    Um objeto GMP, um int ou uma string numérica.

    start

    The starting bit.

    Valor Retornado

    Returns the index of the found bit, as an int. The index starts from 0.

    Exemplos

    Exemplo #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";
    ?>

    O exemplo acima produzirá:

    3
7

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