core-bundle/src/Resources/contao/library/Contao/System.php
public static function getFormattedNumber($varNumber, $intDecimals=2)
	{
		return number_format(round($varNumber, $intDecimals), $intDecimals, $GLOBALS['TL_LANG']['MSC']['decimalSeparator'], $GLOBALS['TL_LANG']['MSC']['thousandsSeparator']);
	}
public static function getFormattedNumber($varNumber, $intDecimals=2)
	{
		return number_format(round($varNumber, $intDecimals), $intDecimals, $GLOBALS['TL_LANG']['MSC']['decimalSeparator'], $GLOBALS['TL_LANG']['MSC']['thousandsSeparator']);
	}
Format a number

@param mixed   $varNumber   An integer or float number
@param integer $intDecimals The number of decimals to show

@return mixed The formatted number