fpow

    (PHP 8 >= 8.4.0)

    fpow — Raise one number to the power of another, according to IEEE 754

    Descrizione

    fpow(float $num, float $exponent): float

    Returns the floating point result of raising num to the power of exponent. If num is zero and exponent is less than zero, then INF is returned.

    Elenco dei parametri

    num
    The base to use.
    exponent
    The exponent.

    Valori restituiti

    Returns a float corresponding to $num$exponent.

    Esempi

    Example #1 fpow() example

    <?php
    var_dump    (fpow(10, 2));
    var_dump(fpow(0, -3));
    var_dump(fpow(-1, 5.5));
    ?>

    Il precedente esempio visualizzerà:

    float(100)
float(INF)
float(NAN)

    Vedere anche:

    • Exponentiation operator **
    • pow() - Espressione esponenziale
    • fdiv() - Divides two numbers, according to IEEE 754
    • fmod() - Returns the floating point remainder (modulo) of the division of the arguments

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