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<?php |
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/** |
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* |
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* This file is part of the Aura Project for PHP. |
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* |
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* @package aura/intl |
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* |
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* @license http://opensource.org/licenses/MIT MIT |
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* |
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*/ |
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namespace Aura\Intl; |
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use MessageFormatter; |
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use Aura\Intl\Exception; |
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/** |
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* |
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* Uses php intl extension to format messages |
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* |
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* @package aura/intl |
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* |
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*/ |
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class IntlFormatter implements FormatterInterface |
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{ |
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/** |
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* |
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* Constructor. |
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* |
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* @param string $icu_version The current ICU version; mostly used for |
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* testing. |
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* |
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* @throws Exception\IcuVersionTooLow when the Version of ICU installed |
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* is too low for Aura.Intl to work properly. |
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* |
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*/ |
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public function __construct($icu_version = INTL_ICU_VERSION) |
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{ |
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if (version_compare($icu_version, '4.8') < 0) { |
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throw new Exception\IcuVersionTooLow('ICU Version 4.8 or higher required.'); |
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} |
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} |
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/** |
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* |
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* Format the message with the help of php intl extension |
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* |
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* @param string $locale |
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* @param string $string |
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* @param array $tokens_values |
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* @return string |
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* @throws Exception |
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*/ |
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public function format($locale, $string, array $tokens_values) |
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{ |
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$values = []; |
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foreach ($tokens_values as $token => $value) { |
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// convert an array to a CSV string |
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if (is_array($value)) { |
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$value = '"' . implode('", "', $value) . '"'; |
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} |
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$values[$token] = $value; |
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} |
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try { |
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$formatter = new MessageFormatter($locale, $string); |
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if (! $formatter) { |
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$this->throwCannotInstantiateFormatter(); |
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} |
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} catch (\Exception $e) { |
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$this->throwCannotInstantiateFormatter(); |
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} |
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$result = $formatter->format($values); |
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if ($result === false) { |
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throw new Exception\CannotFormat( |
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$formatter->getErrorMessage(), |
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$formatter->getErrorCode() |
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); |
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} |
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return $result; |
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} |
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/** |
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* |
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* Throws exception |
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* |
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* @throws Exception\CannotInstantiateFormatter |
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*/ |
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protected function throwCannotInstantiateFormatter() |
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{ |
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throw new Exception\CannotInstantiateFormatter( |
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intl_get_error_message(), |
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intl_get_error_code() |
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); |
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} |
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} |
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auraphp /
Aura.Intl
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