PHP
(quick examples)
THE NUMBER $amt = 6543.21;
US DOLLARS - $6,543.21 $usd = "$" . number_format($amt, 2, ".", ",");
JAPANESE YEN - ¥6,543 $jpy = "¥" . number_format($amt, 0, ".", ",");
NUMBER_FORMAT(NUMBER, DECIMALS, THOUSANDS SEPARATOR, DECIMAL SEPARATOR)
THE NUMBER $amt = 6543.21;
REGULAR EXPRESSION - “ADD A COMMA FOR EVERY 3 DIGITS” $regex = "/\B(?=(\d{3})+(?!\d))/i";
TO USD - $6,543.21 $usd = "$" . preg_replace($regex, ",", $amt);
THE NUMBER $amt = 6543.21;
US DOLLARS - $6,543.21 $nf = new NumberFormatter("en_US", NumberFormatter::CURRENCY); $usd = $nf->formatCurrency($amt, "USD");
JAPANESE YEN - ¥6,543 $nf = new NumberFormatter("ja_JP", NumberFormatter::CURRENCY); $jpy = $nf->formatCurrency($amt, "JPY");