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<?php |
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/** |
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* @link https://www.yiiframework.com/ |
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* @copyright Copyright (c) 2008 Yii Software LLC |
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* @license https://www.yiiframework.com/license/ |
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*/ |
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namespace yii\validators; |
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use DateTime; |
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use DateTimeZone; |
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use Exception; |
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use IntlDateFormatter; |
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use Yii; |
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use yii\base\InvalidConfigException; |
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use yii\helpers\FormatConverter; |
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/** |
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* DateValidator verifies if the attribute represents a date, time or datetime in a proper [[format]]. |
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* |
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* It can also parse internationalized dates in a specific [[locale]] like e.g. `12 мая 2014` when [[format]] |
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* is configured to use a time pattern in ICU format. |
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* |
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* It is further possible to limit the date within a certain range using [[min]] and [[max]]. |
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* |
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* Additional to validating the date it can also export the parsed timestamp as a machine readable format |
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* which can be configured using [[timestampAttribute]]. For values that include time information (not date-only values) |
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* also the time zone will be adjusted. The time zone of the input value is assumed to be the one specified by the [[timeZone]] |
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* property and the target timeZone will be UTC when [[timestampAttributeFormat]] is `null` (exporting as UNIX timestamp) |
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* or [[timestampAttributeTimeZone]] otherwise. If you want to avoid the time zone conversion, make sure that [[timeZone]] and |
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* [[timestampAttributeTimeZone]] are the same. |
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* |
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* @author Qiang Xue <[email protected]> |
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* @author Carsten Brandt <[email protected]> |
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* @since 2.0 |
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*/ |
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class DateValidator extends Validator |
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{ |
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/** |
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* Constant for specifying the validation [[type]] as a date value, used for validation with intl short format. |
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* @since 2.0.8 |
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* @see type |
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*/ |
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const TYPE_DATE = 'date'; |
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/** |
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* Constant for specifying the validation [[type]] as a datetime value, used for validation with intl short format. |
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* @since 2.0.8 |
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* @see type |
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*/ |
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const TYPE_DATETIME = 'datetime'; |
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/** |
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* Constant for specifying the validation [[type]] as a time value, used for validation with intl short format. |
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* @since 2.0.8 |
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* @see type |
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*/ |
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const TYPE_TIME = 'time'; |
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/** |
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* @var string the type of the validator. Indicates, whether a date, time or datetime value should be validated. |
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* This property influences the default value of [[format]] and also sets the correct behavior when [[format]] is one of the intl |
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* short formats, `short`, `medium`, `long`, or `full`. |
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* |
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* This is only effective when the [PHP intl extension](https://www.php.net/manual/en/book.intl.php) is installed. |
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* |
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* This property can be set to the following values: |
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* |
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* - [[TYPE_DATE]] - (default) for validating date values only, that means only values that do not include a time range are valid. |
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* - [[TYPE_DATETIME]] - for validating datetime values, that contain a date part as well as a time part. |
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* - [[TYPE_TIME]] - for validating time values, that contain no date information. |
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* |
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* @since 2.0.8 |
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*/ |
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public $type = self::TYPE_DATE; |
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/** |
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* @var string|null the date format that the value being validated should follow. |
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* This can be a date time pattern as described in the [ICU manual](https://unicode-org.github.io/icu/userguide/format_parse/datetime/#datetime-format-syntax). |
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* |
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* Alternatively this can be a string prefixed with `php:` representing a format that can be recognized by the PHP Datetime class. |
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* Please refer to <https://www.php.net/manual/en/datetime.createfromformat.php> on supported formats. |
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* |
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* If this property is not set, the default value will be obtained from `Yii::$app->formatter->dateFormat`, see [[\yii\i18n\Formatter::dateFormat]] for details. |
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* Since version 2.0.8 the default value will be determined from different formats of the formatter class, |
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* dependent on the value of [[type]]: |
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* |
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* - if type is [[TYPE_DATE]], the default value will be taken from [[\yii\i18n\Formatter::dateFormat]], |
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* - if type is [[TYPE_DATETIME]], it will be taken from [[\yii\i18n\Formatter::datetimeFormat]], |
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* - and if type is [[TYPE_TIME]], it will be [[\yii\i18n\Formatter::timeFormat]]. |
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* |
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* Here are some example values: |
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* |
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* ```php |
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* 'MM/dd/yyyy' // date in ICU format |
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* 'php:m/d/Y' // the same date in PHP format |
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* 'MM/dd/yyyy HH:mm' // not only dates but also times can be validated |
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* ``` |
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* |
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* **Note:** the underlying date parsers being used vary dependent on the format. If you use the ICU format and |
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* the [PHP intl extension](https://www.php.net/manual/en/book.intl.php) is installed, the [IntlDateFormatter](https://www.php.net/manual/en/intldateformatter.parse.php) |
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* is used to parse the input value. In all other cases the PHP [DateTime](https://www.php.net/manual/en/datetime.createfromformat.php) class |
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* is used. The IntlDateFormatter has the advantage that it can parse international dates like `12. Mai 2015` or `12 мая 2014`, while the |
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* PHP parser is limited to English only. The PHP parser however is more strict about the input format as it will not accept |
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* `12.05.05` for the format `php:d.m.Y`, but the IntlDateFormatter will accept it for the format `dd.MM.yyyy`. |
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* If you need to use the IntlDateFormatter you can avoid this problem by specifying a [[min|minimum date]]. |
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*/ |
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public $format; |
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/** |
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* @var string|null the locale ID that is used to localize the date parsing. |
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* This is only effective when the [PHP intl extension](https://www.php.net/manual/en/book.intl.php) is installed. |
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* If not set, the locale of the [[\yii\base\Application::formatter|formatter]] will be used. |
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* See also [[\yii\i18n\Formatter::locale]]. |
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*/ |
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public $locale; |
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/** |
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* @var string|null the timezone to use for parsing date and time values. |
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* This can be any value that may be passed to [date_default_timezone_set()](https://www.php.net/manual/en/function.date-default-timezone-set.php) |
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* e.g. `UTC`, `Europe/Berlin` or `America/Chicago`. |
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* Refer to the [php manual](https://www.php.net/manual/en/timezones.php) for available timezones. |
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* If this property is not set, [[\yii\base\Application::timeZone]] will be used. |
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*/ |
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public $timeZone; |
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/** |
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* @var string|null the name of the attribute to receive the parsing result. |
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* When this property is not null and the validation is successful, the named attribute will |
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* receive the parsing result. |
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* |
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* This can be the same attribute as the one being validated. If this is the case, |
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* the original value will be overwritten with the timestamp value after successful validation. |
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* |
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* Note, that when using this property, the input value will be converted to a unix timestamp, which by definition |
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* is in [[$defaultTimeZone|default UTC time zone]], so a conversion from the [[$timeZone|input time zone]] to |
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* the default one will be performed. If you want to change the default time zone, set the [[$defaultTimeZone]] property. |
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* When defining [[$timestampAttributeFormat]] you can further control the conversion by setting |
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* [[$timestampAttributeTimeZone]] to a different value than `'UTC'`. |
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* |
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* @see timestampAttributeFormat |
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* @see timestampAttributeTimeZone |
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*/ |
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public $timestampAttribute; |
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/** |
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* @var string|null the format to use when populating the [[timestampAttribute]]. |
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* The format can be specified in the same way as for [[format]]. |
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* |
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* If not set, [[timestampAttribute]] will receive a UNIX timestamp. |
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* If [[timestampAttribute]] is not set, this property will be ignored. |
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* @see format |
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* @see timestampAttribute |
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* @since 2.0.4 |
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*/ |
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public $timestampAttributeFormat; |
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/** |
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* @var string the timezone to use when populating the [[timestampAttribute]] with [[timestampAttributeFormat]]. Defaults to `UTC`. |
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* |
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* This can be any value that may be passed to [date_default_timezone_set()](https://www.php.net/manual/en/function.date-default-timezone-set.php) |
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* e.g. `UTC`, `Europe/Berlin` or `America/Chicago`. |
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* Refer to the [php manual](https://www.php.net/manual/en/timezones.php) for available timezones. |
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* |
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* If [[timestampAttributeFormat]] is not set, this property will be ignored. |
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* @see timestampAttributeFormat |
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* @since 2.0.4 |
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*/ |
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public $timestampAttributeTimeZone = 'UTC'; |
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/** |
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* @var int|string|null upper limit of the date. Defaults to null, meaning no upper limit. |
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* This can be a unix timestamp or a string representing a date time value. |
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* If this property is a string, [[format]] will be used to parse it. |
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* @see tooBig for the customized message used when the date is too big. |
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* @since 2.0.4 |
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*/ |
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public $max; |
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/** |
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* @var int|string|null lower limit of the date. Defaults to null, meaning no lower limit. |
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* This can be a unix timestamp or a string representing a date time value. |
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* If this property is a string, [[format]] will be used to parse it. |
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* @see tooSmall for the customized message used when the date is too small. |
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* @since 2.0.4 |
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*/ |
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public $min; |
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/** |
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* @var string user-defined error message used when the value is bigger than [[max]]. |
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* @since 2.0.4 |
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*/ |
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public $tooBig; |
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/** |
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* @var string user-defined error message used when the value is smaller than [[min]]. |
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* @since 2.0.4 |
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*/ |
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public $tooSmall; |
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/** |
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* @var string|null user friendly value of upper limit to display in the error message. |
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* If this property is null, the value of [[max]] will be used (before parsing). |
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* @since 2.0.4 |
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*/ |
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public $maxString; |
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/** |
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* @var string|null user friendly value of lower limit to display in the error message. |
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* If this property is null, the value of [[min]] will be used (before parsing). |
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* @since 2.0.4 |
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*/ |
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public $minString; |
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/** |
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* @var bool set this parameter to true if you need strict date format validation (e.g. only such dates pass |
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* validation for the following format 'yyyy-MM-dd': '0011-03-25', '2019-04-30' etc. and not '18-05-15', |
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* '2017-Mar-14' etc. which pass validation if this parameter is set to false) |
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* @since 2.0.22 |
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*/ |
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public $strictDateFormat = false; |
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/** |
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* @var string the default timezone used for parsing when no time parts are provided in the format. |
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* See [[timestampAttributeTimeZone]] for more description. |
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* @since 2.0.39 |
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*/ |
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public $defaultTimeZone = 'UTC'; |
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/** |
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* @var array map of short format names to IntlDateFormatter constant values. |
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*/ |
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private $_dateFormats = [ |
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'short' => 3, // IntlDateFormatter::SHORT, |
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'medium' => 2, // IntlDateFormatter::MEDIUM, |
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'long' => 1, // IntlDateFormatter::LONG, |
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'full' => 0, // IntlDateFormatter::FULL, |
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]; |
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/** |
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* {@inheritdoc} |
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*/ |
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public function init() |
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{ |
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parent::init(); |
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if ($this->message === null) { |
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$this->message = Yii::t('yii', 'The format of {attribute} is invalid.'); |
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} |
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if ($this->format === null) { |
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if ($this->type === self::TYPE_DATE) { |
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$this->format = Yii::$app->formatter->dateFormat; |
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} elseif ($this->type === self::TYPE_DATETIME) { |
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3 |
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$this->format = Yii::$app->formatter->datetimeFormat; |
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} elseif ($this->type === self::TYPE_TIME) { |
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$this->format = Yii::$app->formatter->timeFormat; |
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} else { |
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throw new InvalidConfigException('Unknown validation type set for DateValidator::$type: ' . $this->type); |
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} |
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} |
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if ($this->locale === null) { |
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$this->locale = Yii::$app->language; |
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} |
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206 |
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if ($this->timeZone === null) { |
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$this->timeZone = Yii::$app->timeZone; |
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} |
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if ($this->min !== null && $this->tooSmall === null) { |
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$this->tooSmall = Yii::t('yii', '{attribute} must be no less than {min}.'); |
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} |
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if ($this->max !== null && $this->tooBig === null) { |
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$this->tooBig = Yii::t('yii', '{attribute} must be no greater than {max}.'); |
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} |
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206 |
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if ($this->maxString === null) { |
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$this->maxString = (string)$this->max; |
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} |
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206 |
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if ($this->minString === null) { |
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$this->minString = (string)$this->min; |
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} |
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if ($this->max !== null && is_string($this->max)) { |
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$timestamp = $this->parseDateValue($this->max); |
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if ($timestamp === false) { |
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throw new InvalidConfigException("Invalid max date value: {$this->max}"); |
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} |
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4 |
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$this->max = $timestamp; |
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} |
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206 |
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if ($this->min !== null && is_string($this->min)) { |
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$timestamp = $this->parseDateValue($this->min); |
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6 |
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if ($timestamp === false) { |
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throw new InvalidConfigException("Invalid min date value: {$this->min}"); |
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} |
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6 |
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$this->min = $timestamp; |
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} |
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} |
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/** |
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* {@inheritdoc} |
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*/ |
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public function validateAttribute($model, $attribute) |
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{ |
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$value = $model->$attribute; |
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169 |
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if ($this->isEmpty($value)) { |
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1 |
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if ($this->timestampAttribute !== null) { |
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1 |
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$model->{$this->timestampAttribute} = null; |
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} |
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1 |
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return; |
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} |
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$timestamp = $this->parseDateValue($value); |
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if ($timestamp === false) { |
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28 |
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if ($this->timestampAttribute === $attribute) { |
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1 |
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if ($this->timestampAttributeFormat === null) { |
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1 |
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if (is_int($value)) { |
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1 |
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return; |
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} |
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1 |
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} elseif ($this->parseDateValueFormat($value, $this->timestampAttributeFormat) !== false) { |
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1 |
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return; |
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} |
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} |
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$this->addError($model, $attribute, $this->message, []); |
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} elseif ($this->min !== null && $timestamp < $this->min) { |
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$this->addError($model, $attribute, $this->tooSmall, ['min' => $this->minString]); |
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151 |
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} elseif ($this->max !== null && $timestamp > $this->max) { |
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2 |
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$this->addError($model, $attribute, $this->tooBig, ['max' => $this->maxString]); |
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151 |
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} elseif ($this->timestampAttribute !== null) { |
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if ($this->timestampAttributeFormat === null) { |
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$model->{$this->timestampAttribute} = $timestamp; |
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} else { |
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108 |
|
$model->{$this->timestampAttribute} = $this->formatTimestamp($timestamp, $this->timestampAttributeFormat); |
314
|
|
|
} |
315
|
|
|
} |
316
|
|
|
} |
317
|
|
|
|
318
|
|
|
/** |
319
|
|
|
* {@inheritdoc} |
320
|
|
|
*/ |
321
|
12 |
|
protected function validateValue($value) |
322
|
|
|
{ |
323
|
12 |
|
$timestamp = $this->parseDateValue($value); |
324
|
12 |
|
if ($timestamp === false) { |
325
|
9 |
|
return [$this->message, []]; |
326
|
12 |
|
} elseif ($this->min !== null && $timestamp < $this->min) { |
327
|
3 |
|
return [$this->tooSmall, ['min' => $this->minString]]; |
328
|
11 |
|
} elseif ($this->max !== null && $timestamp > $this->max) { |
329
|
2 |
|
return [$this->tooBig, ['max' => $this->maxString]]; |
330
|
|
|
} |
331
|
|
|
|
332
|
11 |
|
return null; |
333
|
|
|
} |
334
|
|
|
|
335
|
|
|
/** |
336
|
|
|
* Parses date string into UNIX timestamp. |
337
|
|
|
* |
338
|
|
|
* @param mixed $value string representing date |
339
|
|
|
* @return int|false a UNIX timestamp or `false` on failure. |
340
|
|
|
*/ |
341
|
177 |
|
protected function parseDateValue($value) |
342
|
|
|
{ |
343
|
|
|
// TODO consider merging these methods into single one at 2.1 |
344
|
177 |
|
return $this->parseDateValueFormat($value, $this->format); |
345
|
|
|
} |
346
|
|
|
|
347
|
|
|
/** |
348
|
|
|
* Parses date string into UNIX timestamp. |
349
|
|
|
* |
350
|
|
|
* @param mixed $value string representing date |
351
|
|
|
* @param string $format expected date format |
352
|
|
|
* @return int|false a UNIX timestamp or `false` on failure. |
353
|
|
|
* @throws InvalidConfigException |
354
|
|
|
*/ |
355
|
177 |
|
private function parseDateValueFormat($value, $format) |
356
|
|
|
{ |
357
|
177 |
|
if (is_array($value)) { |
358
|
12 |
|
return false; |
359
|
|
|
} |
360
|
177 |
|
if (strncmp($format, 'php:', 4) === 0) { |
361
|
33 |
|
$format = substr($format, 4); |
362
|
|
|
} else { |
363
|
159 |
|
if (extension_loaded('intl')) { |
364
|
159 |
|
return $this->parseDateValueIntl($value, $format); |
365
|
|
|
} |
366
|
|
|
|
367
|
|
|
// fallback to PHP if intl is not installed |
368
|
|
|
$format = FormatConverter::convertDateIcuToPhp($format, 'date'); |
369
|
|
|
} |
370
|
|
|
|
371
|
33 |
|
return $this->parseDateValuePHP($value, $format); |
372
|
|
|
} |
373
|
|
|
|
374
|
|
|
/** |
375
|
|
|
* Parses a date value using the IntlDateFormatter::parse(). |
376
|
|
|
* @param string $value string representing date |
377
|
|
|
* @param string $format the expected date format |
378
|
|
|
* @return int|bool a UNIX timestamp or `false` on failure. |
379
|
|
|
* @throws InvalidConfigException |
380
|
|
|
*/ |
381
|
159 |
|
private function parseDateValueIntl($value, $format) |
382
|
|
|
{ |
383
|
159 |
|
$formatter = $this->getIntlDateFormatter($format); |
384
|
|
|
// enable strict parsing to avoid getting invalid date values |
385
|
159 |
|
$formatter->setLenient(false); |
386
|
|
|
|
387
|
|
|
// There should not be a warning thrown by parse() but this seems to be the case on windows so we suppress it here |
388
|
|
|
// See https://github.com/yiisoft/yii2/issues/5962 and https://bugs.php.net/bug.php?id=68528 |
389
|
159 |
|
$parsePos = 0; |
390
|
159 |
|
$parsedDate = @$formatter->parse($value, $parsePos); |
391
|
159 |
|
$valueLength = mb_strlen($value, Yii::$app ? Yii::$app->charset : 'UTF-8'); |
392
|
159 |
|
if ($parsedDate === false || $parsePos !== $valueLength || ($this->strictDateFormat && $formatter->format($parsedDate) !== $value)) { |
393
|
23 |
|
return false; |
394
|
|
|
} |
395
|
|
|
|
396
|
151 |
|
return $parsedDate; |
397
|
|
|
} |
398
|
|
|
|
399
|
|
|
/** |
400
|
|
|
* Creates IntlDateFormatter |
401
|
|
|
* |
402
|
|
|
* @param $format string date format |
403
|
|
|
* @return IntlDateFormatter |
404
|
|
|
* @throws InvalidConfigException |
405
|
|
|
*/ |
406
|
159 |
|
private function getIntlDateFormatter($format) |
407
|
|
|
{ |
408
|
159 |
|
if (!isset($this->_dateFormats[$format])) { |
409
|
|
|
// if no time was provided in the format string set timezone to default one to match yii\i18n\Formatter::formatDateTimeValue() |
410
|
159 |
|
$timezone = strpbrk($format, 'ahHkKmsSA') !== false ? $this->timeZone : $this->defaultTimeZone; |
411
|
159 |
|
return new IntlDateFormatter($this->locale, IntlDateFormatter::NONE, IntlDateFormatter::NONE, $timezone, null, $format); |
412
|
|
|
} |
413
|
|
|
|
414
|
6 |
|
if ($this->type === self::TYPE_DATE) { |
415
|
3 |
|
$dateType = $this->_dateFormats[$format]; |
416
|
3 |
|
$timeType = IntlDateFormatter::NONE; |
417
|
3 |
|
$timeZone = $this->defaultTimeZone; |
418
|
3 |
|
} elseif ($this->type === self::TYPE_DATETIME) { |
419
|
3 |
|
$dateType = $this->_dateFormats[$format]; |
420
|
3 |
|
$timeType = $this->_dateFormats[$format]; |
421
|
3 |
|
$timeZone = $this->timeZone; |
422
|
|
|
} elseif ($this->type === self::TYPE_TIME) { |
423
|
|
|
$dateType = IntlDateFormatter::NONE; |
424
|
|
|
$timeType = $this->_dateFormats[$format]; |
425
|
|
|
$timeZone = $this->timeZone; |
426
|
|
|
} else { |
427
|
|
|
throw new InvalidConfigException('Unknown validation type set for DateValidator::$type: ' . $this->type); |
428
|
|
|
} |
429
|
|
|
|
430
|
6 |
|
return new IntlDateFormatter($this->locale, $dateType, $timeType, $timeZone); |
431
|
|
|
} |
432
|
|
|
|
433
|
|
|
/** |
434
|
|
|
* Parses a date value using the DateTime::createFromFormat(). |
435
|
|
|
* @param string $value string representing date |
436
|
|
|
* @param string $format the expected date format |
437
|
|
|
* @return int|bool a UNIX timestamp or `false` on failure. |
438
|
|
|
*/ |
439
|
33 |
|
private function parseDateValuePHP($value, $format) |
440
|
|
|
{ |
441
|
33 |
|
$hasTimeInfo = strpbrk($format, 'HhGgisU') !== false; |
442
|
|
|
// if no time was provided in the format string set timezone to default one to match yii\i18n\Formatter::formatDateTimeValue() |
443
|
33 |
|
$timezone = $hasTimeInfo ? $this->timeZone : $this->defaultTimeZone; |
444
|
33 |
|
$date = DateTime::createFromFormat($format, $value, new DateTimeZone($timezone)); |
445
|
33 |
|
$errors = DateTime::getLastErrors(); // Before PHP 8.2 may return array instead of false (see https://github.com/php/php-src/issues/9431). |
446
|
33 |
|
if ($date === false || ($errors !== false && ($errors['error_count'] || $errors['warning_count'])) || ($this->strictDateFormat && $date->format($format) !== $value)) { |
447
|
20 |
|
return false; |
448
|
|
|
} |
449
|
|
|
|
450
|
26 |
|
if (!$hasTimeInfo) { |
451
|
|
|
// if no time was provided in the format string set time to 0 to get a simple date timestamp |
452
|
22 |
|
$date->setTime(0, 0, 0); |
453
|
|
|
} |
454
|
|
|
|
455
|
26 |
|
return $date->getTimestamp(); |
456
|
|
|
} |
457
|
|
|
|
458
|
|
|
/** |
459
|
|
|
* Formats a timestamp using the specified format. |
460
|
|
|
* @param int $timestamp |
461
|
|
|
* @param string $format |
462
|
|
|
* @return string |
463
|
|
|
* @throws Exception |
464
|
|
|
*/ |
465
|
108 |
|
private function formatTimestamp($timestamp, $format) |
466
|
|
|
{ |
467
|
108 |
|
if (strncmp($format, 'php:', 4) === 0) { |
468
|
63 |
|
$format = substr($format, 4); |
469
|
|
|
} else { |
470
|
54 |
|
$format = FormatConverter::convertDateIcuToPhp($format, 'date'); |
471
|
|
|
} |
472
|
|
|
|
473
|
108 |
|
$date = new DateTime(); |
474
|
108 |
|
$date->setTimestamp($timestamp); |
475
|
108 |
|
$date->setTimezone(new DateTimeZone($this->timestampAttributeTimeZone)); |
476
|
|
|
|
477
|
108 |
|
return $date->format($format); |
478
|
|
|
} |
479
|
|
|
} |
480
|
|
|
|