Returns the current scale value used by bcmath. #php

gistfile1.php

<?php
/**
 * Returns the current scale value used by bcmath.
 *
 * @return int
 */
function getbcscale() {
    $scale = strlen(bcadd('0', '0')) - 2;
    if ($scale === -1) {
        $scale = 0;
    }
    return $scale;
}