better-testing

PhortuneUtil.php
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			<?php

			final class PhortuneUtil {

			public static function parseCurrency($string) {
			$string = trim($string);
			if (!preg_match('/^[-]?[$]?\d+([.]\d{0,2})?$/', $string)) {
			throw new Exception("Invalid currency format ('{$string}').");
			}

			$value = str_replace('$', '', $string);
			$value = (float)$value;
			$value = (int)round(100 * $value);

			return $value;
			}

			public static function formatCurrency($price_in_cents) {
			if (!preg_match('/^[-]?\d+$/', $price_in_cents)) {
			throw new Exception("Invalid price in cents ('{$price_in_cents}').");
			}

			$negative = ($price_in_cents < 0);
			$price_in_cents = abs($price_in_cents);
			$display_value = sprintf('$%.02f', $price_in_cents / 100);

			if ($negative) {
			$display_value = '-'.$display_value;
			}

			return $display_value;
			}

			public static function formatBareCurrency($price_in_cents) {
			return str_replace('$', '', self::formatCurrency($price_in_cents));
			}

			}