475 lines
20 KiB
PHP
475 lines
20 KiB
PHP
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<?php
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/**
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* @link http://www.yiiframework.com/
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* @copyright Copyright (c) 2008 Yii Software LLC
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* @license http://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 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 <qiang.xue@gmail.com>
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* @author Carsten Brandt <mail@cebe.cc>
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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://secure.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 $type = self::TYPE_DATE;
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/**
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* @var string the date format that the value being validated should follow.
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* This can be a date time pattern as described in the [ICU manual](http://userguide.icu-project.org/formatparse/datetime#TOC-Date-Time-Format-Syntax).
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*
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* Alternatively this can be a string prefixed with `php:` representing a format that can be recognized by the PHP Datetime class.
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* Please refer to <https://secure.php.net/manual/en/datetime.createfromformat.php> on supported formats.
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*
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* If this property is not set, the default value will be obtained from `Yii::$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://secure.php.net/manual/en/book.intl.php) is installed, the [IntlDateFormatter](https://secure.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://secure.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 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://secure.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 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://secure.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://secure.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 $timeZone;
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/**
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* @var string the name of the attribute to receive the parsing result.
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* When this property is not null and the validation is successful, the named attribute will
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* receive the parsing result.
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*
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* This can be the same attribute as the one being validated. If this is the case,
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* the original value will be overwritten with the timestamp value after successful validation.
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*
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* Note, that when using this property, the input value will be converted to a unix timestamp,
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* which by definition is in UTC, so a conversion from the [[$timeZone|input time zone]] to UTC
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* will be performed. When defining [[$timestampAttributeFormat]] you can control the conversion by
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* setting [[$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 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]]. 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://secure.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://secure.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 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 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 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 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 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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$this->format = Yii::$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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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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if ($this->maxString === null) {
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$this->maxString = (string)$this->max;
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}
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if ($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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$this->max = $timestamp;
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}
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if ($this->min !== null && is_string($this->min)) {
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$timestamp = $this->parseDateValue($this->min);
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if ($timestamp === false) {
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throw new InvalidConfigException("Invalid min date value: {$this->min}");
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}
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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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if ($this->isEmpty($value)) {
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if ($this->timestampAttribute !== null) {
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$model->{$this->timestampAttribute} = null;
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}
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return;
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}
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$timestamp = $this->parseDateValue($value);
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if ($timestamp === false) {
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if ($this->timestampAttribute === $attribute) {
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if ($this->timestampAttributeFormat === null) {
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if (is_int($value)) {
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return;
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}
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} else {
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if ($this->parseDateValueFormat($value, $this->timestampAttributeFormat) !== false) {
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return;
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}
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}
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}
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$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' => $this->minString]);
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} elseif ($this->max !== null && $timestamp > $this->max) {
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$this->addError($model, $attribute, $this->tooBig, ['max' => $this->maxString]);
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} elseif ($this->timestampAttribute !== null) {
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if ($this->timestampAttributeFormat === null) {
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$model->{$this->timestampAttribute} = $timestamp;
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} else {
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$model->{$this->timestampAttribute} = $this->formatTimestamp($timestamp, $this->timestampAttributeFormat);
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}
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}
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}
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/**
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* {@inheritdoc}
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*/
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protected function validateValue($value)
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{
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$timestamp = $this->parseDateValue($value);
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if ($timestamp === false) {
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return [$this->message, []];
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} elseif ($this->min !== null && $timestamp < $this->min) {
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return [$this->tooSmall, ['min' => $this->minString]];
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} elseif ($this->max !== null && $timestamp > $this->max) {
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return [$this->tooBig, ['max' => $this->maxString]];
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}
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return null;
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}
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/**
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* Parses date string into UNIX timestamp.
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*
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* @param string $value string representing date
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* @return int|false a UNIX timestamp or `false` on failure.
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*/
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||
|
|
protected function parseDateValue($value)
|
||
|
|
{
|
||
|
|
// TODO consider merging these methods into single one at 2.1
|
||
|
|
return $this->parseDateValueFormat($value, $this->format);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses date string into UNIX timestamp.
|
||
|
|
*
|
||
|
|
* @param string $value string representing date
|
||
|
|
* @param string $format expected date format
|
||
|
|
* @return int|false a UNIX timestamp or `false` on failure.
|
||
|
|
* @throws InvalidConfigException
|
||
|
|
*/
|
||
|
|
private function parseDateValueFormat($value, $format)
|
||
|
|
{
|
||
|
|
if (is_array($value)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
if (strncmp($format, 'php:', 4) === 0) {
|
||
|
|
$format = substr($format, 4);
|
||
|
|
} else {
|
||
|
|
if (extension_loaded('intl')) {
|
||
|
|
return $this->parseDateValueIntl($value, $format);
|
||
|
|
}
|
||
|
|
|
||
|
|
// fallback to PHP if intl is not installed
|
||
|
|
$format = FormatConverter::convertDateIcuToPhp($format, 'date');
|
||
|
|
}
|
||
|
|
|
||
|
|
return $this->parseDateValuePHP($value, $format);
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses a date value using the IntlDateFormatter::parse().
|
||
|
|
* @param string $value string representing date
|
||
|
|
* @param string $format the expected date format
|
||
|
|
* @return int|bool a UNIX timestamp or `false` on failure.
|
||
|
|
* @throws InvalidConfigException
|
||
|
|
*/
|
||
|
|
private function parseDateValueIntl($value, $format)
|
||
|
|
{
|
||
|
|
$formatter = $this->getIntlDateFormatter($format);
|
||
|
|
// enable strict parsing to avoid getting invalid date values
|
||
|
|
$formatter->setLenient(false);
|
||
|
|
|
||
|
|
// There should not be a warning thrown by parse() but this seems to be the case on windows so we suppress it here
|
||
|
|
// See https://github.com/yiisoft/yii2/issues/5962 and https://bugs.php.net/bug.php?id=68528
|
||
|
|
$parsePos = 0;
|
||
|
|
$parsedDate = @$formatter->parse($value, $parsePos);
|
||
|
|
$valueLength = mb_strlen($value, Yii::$app ? Yii::$app->charset : 'UTF-8');
|
||
|
|
if ($parsedDate === false || $parsePos !== $valueLength || ($this->strictDateFormat && $formatter->format($parsedDate) !== $value)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
return $parsedDate;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Creates IntlDateFormatter
|
||
|
|
*
|
||
|
|
* @param $format string date format
|
||
|
|
* @return IntlDateFormatter
|
||
|
|
* @throws InvalidConfigException
|
||
|
|
*/
|
||
|
|
private function getIntlDateFormatter($format)
|
||
|
|
{
|
||
|
|
if (!isset($this->_dateFormats[$format])) {
|
||
|
|
// if no time was provided in the format string set time to 0 to get a simple date timestamp
|
||
|
|
$hasTimeInfo = (strpbrk($format, 'ahHkKmsSA') !== false);
|
||
|
|
$formatter = new IntlDateFormatter($this->locale, IntlDateFormatter::NONE, IntlDateFormatter::NONE, $hasTimeInfo ? $this->timeZone : 'UTC', null, $format);
|
||
|
|
|
||
|
|
return $formatter;
|
||
|
|
}
|
||
|
|
|
||
|
|
if ($this->type === self::TYPE_DATE) {
|
||
|
|
$dateType = $this->_dateFormats[$format];
|
||
|
|
$timeType = IntlDateFormatter::NONE;
|
||
|
|
$timeZone = 'UTC';
|
||
|
|
} elseif ($this->type === self::TYPE_DATETIME) {
|
||
|
|
$dateType = $this->_dateFormats[$format];
|
||
|
|
$timeType = $this->_dateFormats[$format];
|
||
|
|
$timeZone = $this->timeZone;
|
||
|
|
} elseif ($this->type === self::TYPE_TIME) {
|
||
|
|
$dateType = IntlDateFormatter::NONE;
|
||
|
|
$timeType = $this->_dateFormats[$format];
|
||
|
|
$timeZone = $this->timeZone;
|
||
|
|
} else {
|
||
|
|
throw new InvalidConfigException('Unknown validation type set for DateValidator::$type: ' . $this->type);
|
||
|
|
}
|
||
|
|
|
||
|
|
$formatter = new IntlDateFormatter($this->locale, $dateType, $timeType, $timeZone);
|
||
|
|
|
||
|
|
return $formatter;
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Parses a date value using the DateTime::createFromFormat().
|
||
|
|
* @param string $value string representing date
|
||
|
|
* @param string $format the expected date format
|
||
|
|
* @return int|bool a UNIX timestamp or `false` on failure.
|
||
|
|
*/
|
||
|
|
private function parseDateValuePHP($value, $format)
|
||
|
|
{
|
||
|
|
// if no time was provided in the format string set time to 0 to get a simple date timestamp
|
||
|
|
$hasTimeInfo = (strpbrk($format, 'HhGgisU') !== false);
|
||
|
|
|
||
|
|
$date = DateTime::createFromFormat($format, $value, new \DateTimeZone($hasTimeInfo ? $this->timeZone : 'UTC'));
|
||
|
|
$errors = DateTime::getLastErrors();
|
||
|
|
if ($date === false || $errors['error_count'] || $errors['warning_count'] || ($this->strictDateFormat && $date->format($format) !== $value)) {
|
||
|
|
return false;
|
||
|
|
}
|
||
|
|
|
||
|
|
if (!$hasTimeInfo) {
|
||
|
|
$date->setTime(0, 0, 0);
|
||
|
|
}
|
||
|
|
|
||
|
|
return $date->getTimestamp();
|
||
|
|
}
|
||
|
|
|
||
|
|
/**
|
||
|
|
* Formats a timestamp using the specified format.
|
||
|
|
* @param int $timestamp
|
||
|
|
* @param string $format
|
||
|
|
* @return string
|
||
|
|
* @throws Exception
|
||
|
|
*/
|
||
|
|
private function formatTimestamp($timestamp, $format)
|
||
|
|
{
|
||
|
|
if (strncmp($format, 'php:', 4) === 0) {
|
||
|
|
$format = substr($format, 4);
|
||
|
|
} else {
|
||
|
|
$format = FormatConverter::convertDateIcuToPhp($format, 'date');
|
||
|
|
}
|
||
|
|
|
||
|
|
$date = new DateTime();
|
||
|
|
$date->setTimestamp($timestamp);
|
||
|
|
$date->setTimezone(new \DateTimeZone($this->timestampAttributeTimeZone));
|
||
|
|
return $date->format($format);
|
||
|
|
}
|
||
|
|
}
|