Convert degrees to direction string

degrees_to_direction.php

function degrees_to_direction ($degrees, $short=true)
{
    $dir_ary = [
        ['N', 'North'],
        ['NNE', 'North Northeast'],
        ['NE', 'Northeast'],
        ['ENE', 'East Northeast'],
        ['E', 'East'],
        ['ESE', 'East Southeast'],
        ['SE', 'Southeast'],
        ['SSE', 'South Southeast'],
        ['S', 'South'],
        ['SSW', 'South Southwest'],
        ['SW', 'Southwest'],
        ['WSW', 'West Southwest'],
        ['W', 'West'],
        ['WNW', 'West Northwest'],
        ['NW', 'Northwest'],
        ['NNW', 'North Northwest'],
    ];

    $idx = round ($degrees / 22.5) % 16;

    if ($short)
    {
        return $dir_ary[$idx][0];
    }

    return $dir_ary[$idx][1];
}