- var_dump: documentation ( source)
<?php
$formattedMoney = '-$1000';
$parser = new \NumberFormatter('en_US', \NumberFormatter::CURRENCY);
$parser->setAttribute(\NumberFormatter::FRACTION_DIGITS, 2);
$parser->setAttribute(\NumberFormatter::NEGATIVE_PREFIX, '-');
$decimal = $parser->parseCurrency($formattedMoney, $currency);
var_dump($decimal);
var_dump($currency);