- var_dump: documentation ( source)
<?php
$locale = 'en_GB';
$formatter = new NumberFormatter($locale, NumberFormatter::CURRENCY);
var_dump($formatter->getTextAttribute(NumberFormatter::CURRENCY_CODE));
var_dump($formatter->getSymbol(NumberFormatter::CURRENCY_SYMBOL));
var_dump($formatter->getSymbol(NumberFormatter::DECIMAL_SEPARATOR_SYMBOL));