Minimum.php

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<?php

namespace PhpOffice\PhpSpreadsheet\Calculation\Statistical;

use PhpOffice\PhpSpreadsheet\Calculation\Functions;

class Minimum extends MaxMinBase
{
    public static function min(...$args)
    {
        $returnValue = null;

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

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

        return $returnValue;
    }
}