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<?php |
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namespace EventEspresso\core\services\currency; |
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use EE_Error; |
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use EEH_File; |
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use EventEspresso\core\exceptions\InvalidIdentifierException; |
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defined('EVENT_ESPRESSO_VERSION') || exit('No direct script access allowed'); |
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/** |
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* Class CurrencySubunits |
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* Class for retrieving a currency's decimal fractions, |
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* or difference in order of magnitude between a currency's |
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* super unit and subunit. For example, for USD, 1 penny is 1/100th of a dollar. |
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* So the order of magnitude, or decimal fractions is 2 |
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* |
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* @package Event Espresso |
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* @author Mike Nelson |
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* @since 4.9.52.p |
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*/ |
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class CurrencySubunits |
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{ |
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/** |
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* array keys are currency codes, values are a sub-array with the following values: |
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* "decimals" : the decimal fraction, or order of magnitude difference, |
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* between that currency's main units and subunits. |
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* E.g. for USD the decimal fraction is 2. |
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* |
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* @var array $currency_subunits |
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*/ |
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private $currency_subunits; |
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/** |
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* Returns all the currency subunit data |
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* |
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* @return array |
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* @throws EE_Error |
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*/ |
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public function getAll() |
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{ |
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$this->ensureInitialized(); |
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return $this->currency_subunits; |
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} |
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/** |
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* Gets the decimal fraction, or order of magnitude difference between the currency's main units and subunits. |
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* |
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* @param $currency_code |
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* @return mixed |
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* @throws EE_Error |
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* @throws InvalidIdentifierException |
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*/ |
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public function decimalsForCode($currency_code) |
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{ |
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$this->ensureInitialized(); |
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if (isset($this->currency_subunits[ $currency_code]['decimals'])) { |
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return $this->currency_subunits[ $currency_code]['decimals']; |
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} |
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throw new InvalidIdentifierException( |
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'', |
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$currency_code, |
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sprintf( |
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esc_html__('There is no currency with code %1$s', 'event_espresso'), |
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$currency_code |
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) |
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); |
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} |
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/** |
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* Just verifies this object's data from the filesystem has been loaded |
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* |
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* @throws EE_Error |
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*/ |
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private function ensureInitialized() |
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{ |
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if ($this->currency_subunits === null) { |
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$this->currency_subunits = json_decode( |
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EEH_File::get_file_contents(__DIR__ . DS . 'currency-subunits.json'), |
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true |
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); |
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} |
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} |
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} |
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eventespresso /
event-espresso-core
