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<?php
/**
* @link http://www.yiiframework.com/
* @copyright Copyright (c) 2008 Yii Software LLC
* @license http://www.yiiframework.com/license/
*/
namespace yii\i18n;
use Yii;
use IntlDateFormatter;
use NumberFormatter;
use DateTime;
use yii\base\InvalidConfigException;
/**
* Formatter is the localized version of [[\yii\base\Formatter]].
*
* Formatter requires the PHP "intl" extension to be installed. Formatter supports localized
* formatting of date, time and numbers, based on the current [[locale]].
*
* @author Qiang Xue <qiang.xue@gmail.com>
* @since 2.0
*/
class Formatter extends \yii\base\Formatter
{
/**
* @var string the locale ID that is used to localize the date and number formatting.
* If not set, [[\yii\base\Application::language]] will be used.
*/
public $locale;
/**
* @var string the default format string to be used to format a date.
* This can be "short", "medium", "long", or "full", which represents a preset format of different lengths.
* It can also be a custom format as specified in the [ICU manual](http://userguide.icu-project.org/formatparse/datetime).
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*/
public $dateFormat = 'short';
/**
* @var string the default format string to be used to format a time.
* This can be "short", "medium", "long", or "full", which represents a preset format of different lengths.
* It can also be a custom format as specified in the [ICU manual](http://userguide.icu-project.org/formatparse/datetime).
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*/
public $timeFormat = 'short';
/**
* @var string the default format string to be used to format a date and time.
* This can be "short", "medium", "long", or "full", which represents a preset format of different lengths.
* It can also be a custom format as specified in the [ICU manual](http://userguide.icu-project.org/formatparse/datetime).
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*/
public $datetimeFormat = 'short';
/**
* @var array the options to be set for the NumberFormatter objects. Please refer to
* [PHP manual](http://php.net/manual/en/class.numberformatter.php#intl.numberformatter-constants.unumberformatattribute)
* for the possible options. This property is used by [[createNumberFormatter]] when
* creating a new number formatter to format decimals, currencies, etc.
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*/
public $numberFormatOptions = array();
/**
* @var string the character displayed as the decimal point when formatting a number.
* If not set, the decimal separator corresponding to [[locale]] will be used.
*/
public $decimalSeparator;
/**
* @var string the character displayed as the thousands separator character when formatting a number.
* If not set, the thousand separator corresponding to [[locale]] will be used.
*/
public $thousandSeparator;
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/**
* Initializes the component.
* This method will check if the "intl" PHP extension is installed and set the
* default value of [[locale]].
* @throws InvalidConfigException if the "intl" PHP extension is not installed.
*/
public function init()
{
if (!extension_loaded('intl')) {
throw new InvalidConfigException('The "intl" PHP extension is not install. It is required to format data values in localized formats.');
}
if ($this->locale === null) {
$this->locale = Yii::$app->language;
}
if ($this->decimalSeparator === null || $this->thousandSeparator === null) {
$formatter = new NumberFormatter($this->locale, NumberFormatter::DECIMAL);
if ($this->decimalSeparator === null) {
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$this->decimalSeparator = $formatter->getSymbol(NumberFormatter::DECIMAL_SEPARATOR_SYMBOL);
}
if ($this->thousandSeparator === null) {
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$this->thousandSeparator = $formatter->getSymbol(NumberFormatter::GROUPING_SEPARATOR_SYMBOL);
}
}
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parent::init();
}
private $_dateFormats = array(
'short' => IntlDateFormatter::SHORT,
'medium' => IntlDateFormatter::MEDIUM,
'long' => IntlDateFormatter::LONG,
'full' => IntlDateFormatter::FULL,
);
/**
* Formats the value as a date.
* @param integer|string|DateTime $value the value to be formatted. The following
* types of value are supported:
*
* - an integer representing a UNIX timestamp
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* - a string that can be parsed into a UNIX timestamp via `strtotime()`
* - a PHP DateTime object
*
* @param string $format the format used to convert the value into a date string.
* If null, [[dateFormat]] will be used.
*
* This can be "short", "medium", "long", or "full", which represents a preset format of different lengths.
* It can also be a custom format as specified in the [ICU manual](http://userguide.icu-project.org/formatparse/datetime).
*
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* @return string the formatted result
* @see dateFormat
*/
public function asDate($value, $format = null)
{
if ($value === null) {
return $this->nullDisplay;
}
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$value = $this->normalizeDatetimeValue($value);
if ($format === null) {
$format = $this->dateFormat;
}
if (isset($this->_dateFormats[$format])) {
$formatter = new IntlDateFormatter($this->locale, $this->_dateFormats[$format], IntlDateFormatter::NONE);
} else {
$formatter = new IntlDateFormatter($this->locale, IntlDateFormatter::NONE, IntlDateFormatter::NONE);
$formatter->setPattern($format);
}
return $formatter->format($value);
}
/**
* Formats the value as a time.
* @param integer|string|DateTime $value the value to be formatted. The following
* types of value are supported:
*
* - an integer representing a UNIX timestamp
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* - a string that can be parsed into a UNIX timestamp via `strtotime()`
* - a PHP DateTime object
*
* @param string $format the format used to convert the value into a date string.
* If null, [[dateFormat]] will be used.
*
* This can be "short", "medium", "long", or "full", which represents a preset format of different lengths.
* It can also be a custom format as specified in the [ICU manual](http://userguide.icu-project.org/formatparse/datetime).
*
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* @return string the formatted result
* @see timeFormat
*/
public function asTime($value, $format = null)
{
if ($value === null) {
return $this->nullDisplay;
}
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$value = $this->normalizeDatetimeValue($value);
if ($format === null) {
$format = $this->timeFormat;
}
if (isset($this->_dateFormats[$format])) {
$formatter = new IntlDateFormatter($this->locale, IntlDateFormatter::NONE, $this->_dateFormats[$format]);
} else {
$formatter = new IntlDateFormatter($this->locale, IntlDateFormatter::NONE, IntlDateFormatter::NONE);
$formatter->setPattern($format);
}
return $formatter->format($value);
}
/**
* Formats the value as a datetime.
* @param integer|string|DateTime $value the value to be formatted. The following
* types of value are supported:
*
* - an integer representing a UNIX timestamp
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* - a string that can be parsed into a UNIX timestamp via `strtotime()`
* - a PHP DateTime object
*
* @param string $format the format used to convert the value into a date string.
* If null, [[dateFormat]] will be used.
*
* This can be "short", "medium", "long", or "full", which represents a preset format of different lengths.
* It can also be a custom format as specified in the [ICU manual](http://userguide.icu-project.org/formatparse/datetime).
*
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* @return string the formatted result
* @see datetimeFormat
*/
public function asDatetime($value, $format = null)
{
if ($value === null) {
return $this->nullDisplay;
}
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$value = $this->normalizeDatetimeValue($value);
if ($format === null) {
$format = $this->datetimeFormat;
}
if (isset($this->_dateFormats[$format])) {
$formatter = new IntlDateFormatter($this->locale, $this->_dateFormats[$format], $this->_dateFormats[$format]);
} else {
$formatter = new IntlDateFormatter($this->locale, IntlDateFormatter::NONE, IntlDateFormatter::NONE);
$formatter->setPattern($format);
}
return $formatter->format($value);
}
/**
* Formats the value as a decimal number.
* @param mixed $value the value to be formatted
* @param string $format the format to be used. Please refer to [ICU manual](http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
* for details on how to specify a format.
* @return string the formatted result.
*/
public function asDecimal($value, $format = null)
{
if ($value === null) {
return $this->nullDisplay;
}
return $this->createNumberFormatter(NumberFormatter::DECIMAL, $format)->format($value);
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}
/**
* Formats the value as a currency number.
* @param mixed $value the value to be formatted
* @param string $currency the 3-letter ISO 4217 currency code indicating the currency to use.
* @param string $format the format to be used. Please refer to [ICU manual](http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
* for details on how to specify a format.
* @return string the formatted result.
*/
public function asCurrency($value, $currency = 'USD', $format = null)
{
if ($value === null) {
return $this->nullDisplay;
}
return $this->createNumberFormatter(NumberFormatter::CURRENCY, $format)->formatCurrency($value, $currency);
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}
/**
* Formats the value as a percent number.
* @param mixed $value the value to be formatted
* @param string $format the format to be used. Please refer to [ICU manual](http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
* for details on how to specify a format.
* @return string the formatted result.
*/
public function asPercent($value, $format = null)
{
if ($value === null) {
return $this->nullDisplay;
}
return $this->createNumberFormatter(NumberFormatter::PERCENT, $format)->format($value);
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}
/**
* Formats the value as a scientific number.
* @param mixed $value the value to be formatted
* @param string $format the format to be used. Please refer to [ICU manual](http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
* for details on how to specify a format.
* @return string the formatted result.
*/
public function asScientific($value, $format = null)
{
if ($value === null) {
return $this->nullDisplay;
}
return $this->createNumberFormatter(NumberFormatter::SCIENTIFIC, $format)->format($value);
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}
/**
* Creates a number formatter based on the given type and format.
* @param integer $type the type of the number formatter
* @param string $format the format to be used. Please refer to [ICU manual](http://www.icu-project.org/apiref/icu4c/classDecimalFormat.html#_details)
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* @return NumberFormatter the created formatter instance
*/
protected function createNumberFormatter($type, $format)
{
$formatter = new NumberFormatter($this->locale, $type);
if ($format !== null) {
$formatter->setPattern($format);
}
if (!empty($this->numberFormatOptions)) {
foreach ($this->numberFormatOptions as $name => $attribute) {
$formatter->setAttribute($name, $attribute);
}
}
return $formatter;
}
}