TYPO3 Core

case 'double3':

case 'double4':

case 'double5':

case 'double6':

case 'double7':

case 'double8':

case 'double9':

$theDec = 0;

for ($a = strlen($value); $a > 0; $a--) {

if (substr($value, $a - 1, 1) == '.' || substr($value, $a - 1, 1) == ',') {

$theDec = substr($value, $a);

$value = substr($value, 0, $a - 1);

break;

}

}

$digits = $func{6};

$theDec = preg_replace('/[^0-9,\\.-]/', '', $theDec);

$value = intval(str_replace(' ', '', $value)) . '.' . substr($theDec, 0, $digits);

$value = number_format($value, $digits, '.', '');