Vendor/phpspreadsheet/phpoffice/phpspreadsheet/src/PhpSpreadsheet/Calculation/Statistical.php
public static function MINA(...$args)
    {
        $returnValue = null;

        // Loop through arguments
        $aArgs = Functions::flattenArray($args);
        foreach ($aArgs as $arg) {
            // Is it a numeric value?
            if ((is_numeric($arg)) || (is_bool($arg)) || ((is_string($arg) && ($arg != '')))) {
                if (is_bool($arg)) {
                    $arg = (int) $arg;
                } elseif (is_string($arg)) {
                    $arg = 0;
                }
                if (($returnValue === null) || ($arg < $returnValue)) {
                    $returnValue = $arg;
                }
            }
        }

        if ($returnValue === null) {
            return 0;
        }

        return $returnValue;
    }
public static function MINA(...$args)
    {
        $returnValue = null;

        // Loop through arguments
        $aArgs = Functions::flattenArray($args);
        foreach ($aArgs as $arg) {
            // Is it a numeric value?
            if ((is_numeric($arg)) || (is_bool($arg)) || ((is_string($arg) && ($arg != '')))) {
                if (is_bool($arg)) {
                    $arg = (int) $arg;
                } elseif (is_string($arg)) {
                    $arg = 0;
                }
                if (($returnValue === null) || ($arg < $returnValue)) {
                    $returnValue = $arg;
                }
            }
        }

        if ($returnValue === null) {
            return 0;
        }

        return $returnValue;
    }
MINA.

Returns the smallest value in a list of arguments, including numbers, text, and logical values

Excel Function:
MINA(value1[,value2[, ...]])

@category Statistical Functions

@param mixed ...$args Data values

@return float