PHP currency::getExistingCurrencies示例

 public static function parseMoneyFromString($string, $occurences = 0)
 {
     $results = [];
     $currencies = currency::getExistingCurrencies();
     foreach ($currencies as $currencyName => $currency) {
         $currency['leftSymbol'] = isset($currency['leftSymbol']) ? '\\' . $currency['leftSymbol'] : '';
         $currency['rightSymbol'] = isset($currency['rightSymbol']) ? '\\' . $currency['rightSymbol'] : '';
         $pattern = '|' . $currency['leftSymbol'] . '([\\ ]*)([0-9]{1,8})([\\.\\,]?)([0-9]{0,3})([\\ ]*)' . $currency['rightSymbol'] . '|Si';
         preg_match_all($pattern, $string, $matches);
         $matches = array_filter($matches);
         if (count($matches) > 1) {
             $results[] = $matches;
         }
     }
     return $results;
 }