rad2deg

    (PHP 4, PHP 5, PHP 7, PHP 8)

    rad2deg — Converts the radian number to the equivalent number in degrees

    Description

    rad2deg(float $num): float

    This function converts num from radian to degrees.

    Parameters

    num

    A radian value

    Return Values

    The equivalent of num in degrees

    Examples

    Example #1 rad2deg() example

    <?php

    echo rad2deg(M_PI_4); // 45

    ?>

    See Also

    • deg2rad() - Converts the number in degrees to the radian equivalent

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