Size.php

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<?php
 
namespace PhpOffice\PhpSpreadsheet\Calculation\Statistical;
 
use PhpOffice\PhpSpreadsheet\Calculation\Functions;
 
class Size
{
    public static function large(...$args)
    {
        $aArgs = Functions::flattenArray($args);
        $entry = array_pop($aArgs);
 
        if ((is_numeric($entry)) && (!is_string($entry))) {
            $entry = (int) floor($entry);
 
            $mArgs = self::filter($aArgs);
            $count = Counts::COUNT($mArgs);
            --$entry;
            if (($entry < 0) || ($entry >= $count) || ($count == 0)) {
                return Functions::NAN();
            }
            rsort($mArgs);
 
            return $mArgs[$entry];
        }
 
        return Functions::VALUE();
    }
 
    public static function small(...$args)
    {
        $aArgs = Functions::flattenArray($args);
 
        $entry = array_pop($aArgs);
 
        if ((is_numeric($entry)) && (!is_string($entry))) {
            $entry = (int) floor($entry);
 
            $mArgs = self::filter($aArgs);
            $count = Counts::COUNT($mArgs);
            --$entry;
            if (($entry < 0) || ($entry >= $count) || ($count == 0)) {
                return Functions::NAN();
            }
            sort($mArgs);
 
            return $mArgs[$entry];
        }
 
        return Functions::VALUE();
    }
 
    protected static function filter(array $args): array
    {
        $mArgs = [];
 
        foreach ($args as $arg) {
            // Is it a numeric value?
            if ((is_numeric($arg)) && (!is_string($arg))) {
                $mArgs[] = $arg;
            }
        }
 
        return $mArgs;
    }
}