Class yii\i18n\Formatter

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Inheritance	yii\i18n\Formatter » yii\base\Component » yii\base\Object
Implements	yii\base\Configurable
Subclasses	lispa\amos\core\formatter\Formatter
Available since version	2.0
Source Code	https://github.com/yiisoft/yii2/blob/master/framework/i18n/Formatter.php

Formatter provides a set of commonly used data formatting methods.

The formatting methods provided by Formatter are all named in the form of asXyz(). The behavior of some of them may be configured via the properties of Formatter. For example, by configuring $dateFormat, one may control how asDate() formats the value into a date string.

Formatter is configured as an application component in yii\base\Application by default. You can access that instance via Yii::$app->formatter.

The Formatter class is designed to format values according to a $locale. For this feature to work the PHP intl extension has to be installed. Most of the methods however work also if the PHP intl extension is not installed by providing a fallback implementation. Without intl month and day names are in English only. Note that even if the intl extension is installed, formatting date and time values for years >=2038 or <=1901 on 32bit systems will fall back to the PHP implementation because intl uses a 32bit UNIX timestamp internally. On a 64bit system the intl formatter is used in all cases if installed.

Public Properties

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Property	Type	Description	Defined By
$behaviors	yii\base\Behavior[]	List of behaviors attached to this component	yii\base\Component
$booleanFormat	array	The text to be displayed when formatting a boolean value.	yii\i18n\Formatter
$calendar	IntlCalendar\|integer\|null	The calendar to be used for date formatting.	yii\i18n\Formatter
$currencyCode	string	The 3-letter ISO 4217 currency code indicating the default currency to use for asCurrency().	yii\i18n\Formatter
$dateFormat	string	The default format string to be used to format a date.	yii\i18n\Formatter
$datetimeFormat	string	The default format string to be used to format a date and time.	yii\i18n\Formatter
$decimalSeparator	string	The character displayed as the decimal point when formatting a number.	yii\i18n\Formatter
$defaultTimeZone	string	The time zone that is assumed for input values if they do not include a time zone explicitly.	yii\i18n\Formatter
$locale	string	The locale ID that is used to localize the date and number formatting.	yii\i18n\Formatter
$nullDisplay	string	The text to be displayed when formatting a `null` value.	yii\i18n\Formatter
$numberFormatterOptions	array	A list of name value pairs that are passed to the intl [NumberFormatter::setAttribute()](http://php.	yii\i18n\Formatter
$numberFormatterSymbols	array	A list of name value pairs that are passed to the intl [NumberFormatter::setSymbol()](http://php.	yii\i18n\Formatter
$numberFormatterTextOptions	array	A list of name value pairs that are passed to the intl [NumberFormatter::setTextAttribute()](http://php.	yii\i18n\Formatter
$sizeFormatBase	integer	The base at which a kilobyte is calculated (1000 or 1024 bytes per kilobyte), used by asSize() and asShortSize().	yii\i18n\Formatter
$thousandSeparator	string	The character displayed as the thousands separator (also called grouping separator) character when formatting a number.	yii\i18n\Formatter
$timeFormat	string	The default format string to be used to format a time.	yii\i18n\Formatter
$timeZone	string	The time zone to use for formatting time and date values.	yii\i18n\Formatter

Public Methods

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Method	Description	Defined By
__call()	Calls the named method which is not a class method.	yii\base\Component
__clone()	This method is called after the object is created by cloning an existing one.	yii\base\Component
__construct()	Constructor.	yii\base\Object
__get()	Returns the value of a component property.	yii\base\Component
__isset()	Checks if a property is set, i.e. defined and not null.	yii\base\Component
__set()	Sets the value of a component property.	yii\base\Component
__unset()	Sets a component property to be null.	yii\base\Component
asBoolean()	Formats the value as a boolean.	yii\i18n\Formatter
asCurrency()	Formats the value as a currency number.	yii\i18n\Formatter
asDate()	Formats the value as a date.	yii\i18n\Formatter
asDatetime()	Formats the value as a datetime.	yii\i18n\Formatter
asDecimal()	Formats the value as a decimal number.	yii\i18n\Formatter
asDuration()	Represents the value as duration in human readable format.	yii\i18n\Formatter
asEmail()	Formats the value as a mailto link.	yii\i18n\Formatter
asHtml()	Formats the value as HTML text.	yii\i18n\Formatter
asImage()	Formats the value as an image tag.	yii\i18n\Formatter
asInteger()	Formats the value as an integer number by removing any decimal digits without rounding.	yii\i18n\Formatter
asNtext()	Formats the value as an HTML-encoded plain text with newlines converted into breaks.	yii\i18n\Formatter
asOrdinal()	Formats the value as a ordinal value of a number.	yii\i18n\Formatter
asParagraphs()	Formats the value as HTML-encoded text paragraphs.	yii\i18n\Formatter
asPercent()	Formats the value as a percent number with "%" sign.	yii\i18n\Formatter
asRaw()	Formats the value as is without any formatting.	yii\i18n\Formatter
asRelativeTime()	Formats the value as the time interval between a date and now in human readable form.	yii\i18n\Formatter
asScientific()	Formats the value as a scientific number.	yii\i18n\Formatter
asShortSize()	Formats the value in bytes as a size in human readable form for example `12 KB`.	yii\i18n\Formatter
asSize()	Formats the value in bytes as a size in human readable form, for example `12 kilobytes`.	yii\i18n\Formatter
asSpellout()	Formats the value as a number spellout.	yii\i18n\Formatter
asText()	Formats the value as an HTML-encoded plain text.	yii\i18n\Formatter
asTime()	Formats the value as a time.	yii\i18n\Formatter
asTimestamp()	Formats a date, time or datetime in a float number as UNIX timestamp (seconds since 01-01-1970).	yii\i18n\Formatter
asUrl()	Formats the value as a hyperlink.	yii\i18n\Formatter
attachBehavior()	Attaches a behavior to this component.	yii\base\Component
attachBehaviors()	Attaches a list of behaviors to the component.	yii\base\Component
behaviors()	Returns a list of behaviors that this component should behave as.	yii\base\Component
canGetProperty()	Returns a value indicating whether a property can be read.	yii\base\Component
canSetProperty()	Returns a value indicating whether a property can be set.	yii\base\Component
className()	Returns the fully qualified name of this class.	yii\base\Object
detachBehavior()	Detaches a behavior from the component.	yii\base\Component
detachBehaviors()	Detaches all behaviors from the component.	yii\base\Component
ensureBehaviors()	Makes sure that the behaviors declared in behaviors() are attached to this component.	yii\base\Component
format()	Formats the value based on the given format type.	yii\i18n\Formatter
getBehavior()	Returns the named behavior object.	yii\base\Component
getBehaviors()	Returns all behaviors attached to this component.	yii\base\Component
hasEventHandlers()	Returns a value indicating whether there is any handler attached to the named event.	yii\base\Component
hasMethod()	Returns a value indicating whether a method is defined.	yii\base\Component
hasProperty()	Returns a value indicating whether a property is defined for this component.	yii\base\Component
init()	Initializes the object.	yii\i18n\Formatter
off()	Detaches an existing event handler from this component.	yii\base\Component
on()	Attaches an event handler to an event.	yii\base\Component
trigger()	Triggers an event.	yii\base\Component

Protected Methods

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Method	Description	Defined By
createNumberFormatter()	Creates a number formatter based on the given type and format.	yii\i18n\Formatter
normalizeDatetimeValue()	Normalizes the given datetime value as a DateTime object that can be taken by various date/time formatting methods.	yii\i18n\Formatter
normalizeNumericValue()	Normalizes a numeric input value	yii\i18n\Formatter

Property Details

$booleanFormat public property

The text to be displayed when formatting a boolean value. The first element corresponds to the text displayed for false, the second element for true. Defaults to ['No', 'Yes'], where Yes and No will be translated according to $locale.

public array $booleanFormat = null

$calendar public property (available since version 2.0.7)

The calendar to be used for date formatting. The value of this property will be directly passed to the constructor of the IntlDateFormatter class.

Defaults to null, which means the Gregorian calendar will be used. You may also explicitly pass the constant \IntlDateFormatter::GREGORIAN for Gregorian calendar.

To use an alternative calendar like for example the Jalali calendar, set this property to \IntlDateFormatter::TRADITIONAL. The calendar must then be specified in the $locale, for example for the persian calendar the configuration for the formatter would be:

'formatter' => [
    'locale' => 'fa_IR@calendar=persian',
    'calendar' => \IntlDateFormatter::TRADITIONAL,
],

Available calendar names can be found in the ICU manual.

Since PHP 5.5 you may also use an instance of the IntlCalendar class. Check the PHP manual for more details.

If the PHP intl extension is not available, setting this property will have no effect.

See also:

public IntlCalendar|integer|null $calendar = null

$currencyCode public property

The 3-letter ISO 4217 currency code indicating the default currency to use for asCurrency(). If not set, the currency code corresponding to $locale will be used. Note that in this case the $locale has to be specified with a country code, e.g. en-US otherwise it is not possible to determine the default currency.

public string $currencyCode = null

$dateFormat public property

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. Alternatively this can be a string prefixed with php: representing a format that can be recognized by the PHP date()-function.

For example:

'MM/dd/yyyy' // date in ICU format
'php:m/d/Y' // the same date in PHP format

public string $dateFormat = 'medium'

$datetimeFormat public property

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.

Alternatively this can be a string prefixed with php: representing a format that can be recognized by the PHP date()-function.

For example:

'MM/dd/yyyy HH:mm:ss' // date and time in ICU format
'php:m/d/Y H:i:s' // the same date and time in PHP format

public string $datetimeFormat = 'medium'

$decimalSeparator public property

The character displayed as the decimal point when formatting a number. If not set, the decimal separator corresponding to $locale will be used. If PHP intl extension is not available, the default value is '.'.

public string $decimalSeparator = null

$defaultTimeZone public property (available since version 2.0.1)

The time zone that is assumed for input values if they do not include a time zone explicitly.

The value must be a valid time zone identifier, e.g. UTC, Europe/Berlin or America/Chicago. Please refer to the php manual for available time zones.

It defaults to UTC so you only have to adjust this value if you store datetime values in another time zone in your database.

public string $defaultTimeZone = 'UTC'

$locale public property

The locale ID that is used to localize the date and number formatting. For number and date formatting this is only effective when the PHP intl extension is installed. If not set, yii\base\Application::$language will be used.

public string $locale = null

$nullDisplay public property

The text to be displayed when formatting a null value. Defaults to '<span class="not-set">(not set)</span>', where (not set) will be translated according to $locale.

public string $nullDisplay = null

$numberFormatterOptions public property

A list of name value pairs that are passed to the intl NumberFormatter::setAttribute() method of all the number formatter objects created by createNumberFormatter(). This property takes only effect if the PHP intl extension is installed.

Please refer to the PHP manual for the possible options.

For example to adjust the maximum and minimum value of fraction digits you can configure this property like the following:

[
    NumberFormatter::MIN_FRACTION_DIGITS => 0,
    NumberFormatter::MAX_FRACTION_DIGITS => 2,
]

public array $numberFormatterOptions = []

$numberFormatterSymbols public property (available since version 2.0.4)

A list of name value pairs that are passed to the intl NumberFormatter::setSymbol() method of all the number formatter objects created by createNumberFormatter(). This property takes only effect if the PHP intl extension is installed.

Please refer to the PHP manual for the possible options.

For example to choose a custom currency symbol, e.g. U+20BD instead of руб. for Russian Ruble:

[
    NumberFormatter::CURRENCY_SYMBOL => '₽',
]

public array $numberFormatterSymbols = []

$numberFormatterTextOptions public property

A list of name value pairs that are passed to the intl NumberFormatter::setTextAttribute() method of all the number formatter objects created by createNumberFormatter(). This property takes only effect if the PHP intl extension is installed.

Please refer to the PHP manual for the possible options.

For example to change the minus sign for negative numbers you can configure this property like the following:

[
    NumberFormatter::NEGATIVE_PREFIX => 'MINUS',
]

public array $numberFormatterTextOptions = []

$sizeFormatBase public property

The base at which a kilobyte is calculated (1000 or 1024 bytes per kilobyte), used by asSize() and asShortSize(). Defaults to 1024.

public integer $sizeFormatBase = 1024

$thousandSeparator public property

The character displayed as the thousands separator (also called grouping separator) character when formatting a number. If not set, the thousand separator corresponding to $locale will be used. If PHP intl extension is not available, the default value is ','.

public string $thousandSeparator = null

$timeFormat public property

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. Alternatively this can be a string prefixed with php: representing a format that can be recognized by the PHP date()-function.

For example:

'HH:mm:ss' // time in ICU format
'php:H:i:s' // the same time in PHP format

public string $timeFormat = 'medium'

$timeZone public property

The time zone to use for formatting time and date values.

This can be any value that may be passed to date_default_timezone_set() e.g. UTC, Europe/Berlin or America/Chicago. Refer to the php manual for available time zones. If this property is not set, yii\base\Application::$timeZone will be used.

Note that the default time zone for input data is assumed to be UTC by default if no time zone is included in the input date value. If you store your data in a different time zone in the database, you have to adjust $defaultTimeZone accordingly.

public string $timeZone = null

Method Details

asBoolean() public method

Formats the value as a boolean.

public string asBoolean ( $value )
$value	mixed	The value to be formatted.
return	string	The formatted result.

public string asCurrency ( $value, $currency = null, $options = [], $textOptions = [] )
$value	mixed	The value to be formatted.
$currency	string	The 3-letter ISO 4217 currency code indicating the currency to use. If null, $currencyCode will be used.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.
throws	yii\base\InvalidConfigException	if no currency is given and $currencyCode is not defined.

public string asDate ( $value, $format = null )
$value	integer\|string\|DateTime	The value to be formatted. The following types of value are supported: an integer representing a UNIX timestamp a string that can be parsed to create a DateTime object. The timestamp is assumed to be in $defaultTimeZone unless a time zone is explicitly given. a PHP DateTime object
$format	string	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. Alternatively this can be a string prefixed with `php:` representing a format that can be recognized by the PHP date()-function.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value can not be evaluated as a date value.
throws	yii\base\InvalidConfigException	if the date format is invalid.

public string asDatetime ( $value, $format = null )
$value	integer\|string\|DateTime	The value to be formatted. The following types of value are supported: an integer representing a UNIX timestamp a string that can be parsed to create a DateTime object. The timestamp is assumed to be in $defaultTimeZone unless a time zone is explicitly given. a PHP DateTime object
$format	string	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. Alternatively this can be a string prefixed with `php:` representing a format that can be recognized by the PHP date()-function.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value can not be evaluated as a date value.
throws	yii\base\InvalidConfigException	if the date format is invalid.

See also:

public string asDecimal ( $value, $decimals = null, $options = [], $textOptions = [] )
$value	mixed	The value to be formatted.
$decimals	integer	The number of digits after the decimal point. If not given, the number of digits depends in the input value and is determined based on `NumberFormatter::MIN_FRACTION_DIGITS` and `NumberFormatter::MAX_FRACTION_DIGITS`, which can be configured using $numberFormatterOptions. If the PHP intl extension is not available, the default value is `2`. If you want consistent behavior between environments where intl is available and not, you should explicitly specify a value here.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.

asDuration() public method (available since version 2.0.7)

Represents the value as duration in human readable format.

public string asDuration ( $value, $implodeString = ', ', $negativeSign = '-' )
$value	DateInterval\|string\|integer	The value to be formatted. Acceptable formats: DateInterval object integer - number of seconds. For example: value `131` represents `2 minutes, 11 seconds` ISO8601 duration format. For example, all of these values represent `1 day, 2 hours, 30 minutes` duration: `2015-01-01T13:00:00Z/2015-01-02T13:30:00Z` - between two datetime values `2015-01-01T13:00:00Z/P1D2H30M` - time interval after datetime value `P1D2H30M/2015-01-02T13:30:00Z` - time interval before datetime value `P1D2H30M` - simply a date interval `P-1D2H30M` - a negative date interval (`-1 day, 2 hours, 30 minutes`)
$implodeString	string	Will be used to concatenate duration parts. Defaults to `,` .
$negativeSign	string	Will be prefixed to the formatted duration, when it is negative. Defaults to `-`.
return	string	The formatted duration.

asEmail() public method

Formats the value as a mailto link.

public string asEmail ( $value, $options = [] )
$value	string	The value to be formatted.
$options	array	The tag options in terms of name-value pairs. See yii\helpers\Html::mailto().
return	string	The formatted result.

asHtml() public method

Formats the value as HTML text.

The value will be purified using yii\helpers\HtmlPurifier to avoid XSS attacks. Use asRaw() if you do not want any purification of the value.

public string asHtml ( $value, $config = null )
$value	string	The value to be formatted.
$config	array\|null	The configuration for the HTMLPurifier class.
return	string	The formatted result.

asImage() public method

Formats the value as an image tag.

public string asImage ( $value, $options = [] )
$value	mixed	The value to be formatted.
$options	array	The tag options in terms of name-value pairs. See yii\helpers\Html::img().
return	string	The formatted result.

asInteger() public method

Formats the value as an integer number by removing any decimal digits without rounding.

public string asInteger ( $value, $options = [], $textOptions = [] )
$value	mixed	The value to be formatted.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.

asNtext() public method

Formats the value as an HTML-encoded plain text with newlines converted into breaks.

public string asNtext ( $value )
$value	string	The value to be formatted.
return	string	The formatted result.

asOrdinal() public method

Formats the value as a ordinal value of a number.

This function requires the PHP intl extension to be installed.

public string asOrdinal ( $value )
$value	mixed	The value to be formatted
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.
throws	yii\base\InvalidConfigException	when the PHP intl extension is not available.

asParagraphs() public method

Formats the value as HTML-encoded text paragraphs.

Each text paragraph is enclosed within a <p> tag. One or multiple consecutive empty lines divide two paragraphs.

public string asParagraphs ( $value )
$value	string	The value to be formatted.
return	string	The formatted result.

asPercent() public method

Formats the value as a percent number with "%" sign.

public string asPercent ( $value, $decimals = null, $options = [], $textOptions = [] )
$value	mixed	The value to be formatted. It must be a factor e.g. `0.75` will result in `75%`.
$decimals	integer	The number of digits after the decimal point. If not given, the number of digits depends in the input value and is determined based on `NumberFormatter::MIN_FRACTION_DIGITS` and `NumberFormatter::MAX_FRACTION_DIGITS`, which can be configured using $numberFormatterOptions. If the PHP intl extension is not available, the default value is `0`. If you want consistent behavior between environments where intl is available and not, you should explicitly specify a value here.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.

asRaw() public method

Formats the value as is without any formatting.

This method simply returns back the parameter without any format. The only exception is a null value which will be formatted using $nullDisplay.

public string asRaw ( $value )
$value	mixed	The value to be formatted.
return	string	The formatted result.

asRelativeTime() public method

Formats the value as the time interval between a date and now in human readable form.

This method can be used in three different ways:

Using a timestamp that is relative to now.
Using a timestamp that is relative to the $referenceTime.
Using a DateInterval object.

public string asRelativeTime ( $value, $referenceTime = null )
$value	integer\|string\|DateTime\|DateInterval	The value to be formatted. The following types of value are supported: an integer representing a UNIX timestamp a string that can be parsed to create a DateTime object. The timestamp is assumed to be in $defaultTimeZone unless a time zone is explicitly given. a PHP DateTime object a PHP DateInterval object (a positive time interval will refer to the past, a negative one to the future)
$referenceTime	integer\|string\|DateTime	If specified the value is used as a reference time instead of `now` when `$value` is not a `DateInterval` object.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value can not be evaluated as a date value.

asScientific() public method

Formats the value as a scientific number.

public string asScientific ( $value, $decimals = null, $options = [], $textOptions = [] )
$value	mixed	The value to be formatted.
$decimals	integer	The number of digits after the decimal point. If not given, the number of digits depends in the input value and is determined based on `NumberFormatter::MIN_FRACTION_DIGITS` and `NumberFormatter::MAX_FRACTION_DIGITS`, which can be configured using $numberFormatterOptions. If the PHP intl extension is not available, the default value depends on your PHP configuration. If you want consistent behavior between environments where intl is available and not, you should explicitly specify a value here.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.

asShortSize() public method

Formats the value in bytes as a size in human readable form for example 12 KB.

This is the short form of asSize().

If $sizeFormatBase is 1024, binary prefixes (e.g. kibibyte/KiB, mebibyte/MiB, ...) are used in the formatting result.

See also:

public string asShortSize ( $value, $decimals = null, $options = [], $textOptions = [] )
$value	string\|integer\|float	Value in bytes to be formatted.
$decimals	integer	The number of digits after the decimal point.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.

asSize() public method

Formats the value in bytes as a size in human readable form, for example 12 kilobytes.

If $sizeFormatBase is 1024, binary prefixes (e.g. kibibyte/KiB, mebibyte/MiB, ...) are used in the formatting result.

See also:

public string asSize ( $value, $decimals = null, $options = [], $textOptions = [] )
$value	string\|integer\|float	Value in bytes to be formatted.
$decimals	integer	The number of digits after the decimal point.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.

asSpellout() public method

Formats the value as a number spellout.

This function requires the PHP intl extension to be installed.

public string asSpellout ( $value )
$value	mixed	The value to be formatted
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value is not numeric or the formatting failed.
throws	yii\base\InvalidConfigException	when the PHP intl extension is not available.

asText() public method

Formats the value as an HTML-encoded plain text.

public string asText ( $value )
$value	string	The value to be formatted.
return	string	The formatted result.

asTime() public method

Formats the value as a time.

protected DateTime\|array normalizeDatetimeValue ( $value, $checkDateTimeInfo = false )
$value	integer\|string\|DateTime	The datetime value to be normalized. The following types of value are supported: an integer representing a UNIX timestamp a string that can be parsed to create a DateTime object. The timestamp is assumed to be in $defaultTimeZone unless a time zone is explicitly given. a PHP DateTime object
$checkDateTimeInfo	boolean	Whether to also check if the date/time value has some time and date information attached. Defaults to `false`. If `true`, the method will then return an array with the first element being the normalized timestamp, the second a boolean indicating whether the timestamp has time information and third a boolean indicating whether the timestamp has date information. This parameter is available since version 2.0.1.
return	DateTime\|array	The normalized datetime value. Since version 2.0.1 this may also return an array if `$checkTimeInfo` is true. The first element of the array is the normalized timestamp and the second is a boolean indicating whether the timestamp has time information or it is just a date value. Since version 2.0.12 the array has third boolean element indicating whether the timestamp has date information or it is just a time value.
throws	yii\base\InvalidParamException	if the input value can not be evaluated as a date value.

public string asTime ( $value, $format = null )
$value	integer\|string\|DateTime	The value to be formatted. The following types of value are supported: an integer representing a UNIX timestamp a string that can be parsed to create a DateTime object. The timestamp is assumed to be in $defaultTimeZone unless a time zone is explicitly given. a PHP DateTime object
$format	string	The format used to convert the value into a date string. If null, $timeFormat 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. Alternatively this can be a string prefixed with `php:` representing a format that can be recognized by the PHP date()-function.
return	string	The formatted result.
throws	yii\base\InvalidParamException	if the input value can not be evaluated as a date value.
throws	yii\base\InvalidConfigException	if the date format is invalid.

public string asTimestamp ( $value )
$value	integer\|string\|DateTime	The value to be formatted. The following types of value are supported: an integer representing a UNIX timestamp a string that can be parsed to create a DateTime object. The timestamp is assumed to be in $defaultTimeZone unless a time zone is explicitly given. a PHP DateTime object
return	string	The formatted result.

public string asUrl ( $value, $options = [] )
$value	mixed	The value to be formatted.
$options	array	The tag options in terms of name-value pairs. See yii\helpers\Html::a().
return	string	The formatted result.

protected NumberFormatter createNumberFormatter ( $style, $decimals = null, $options = [], $textOptions = [] )
$style	integer	The type of the number formatter. Values: NumberFormatter::DECIMAL, ::CURRENCY, ::PERCENT, ::SCIENTIFIC, ::SPELLOUT, ::ORDINAL ::DURATION, ::PATTERN_RULEBASED, ::DEFAULT_STYLE, ::IGNORE
$decimals	integer	The number of digits after the decimal point.
$options	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterOptions.
$textOptions	array	Optional configuration for the number formatter. This parameter will be merged with $numberFormatterTextOptions.
return	NumberFormatter	The created formatter instance

public string format ( $value, $format )
$value	mixed	The value to be formatted.
$format	string\|array	The format of the value, e.g., "html", "text". To specify additional parameters of the formatting method, you may use an array. The first element of the array specifies the format name, while the rest of the elements will be used as the parameters to the formatting method. For example, a format of `['date', 'Y-m-d']` will cause the invocation of `asDate($value, 'Y-m-d')`.
return	string	The formatting result.
throws	yii\base\InvalidParamException	if the format type is not supported by this class.

protected float\|integer normalizeNumericValue ( $value )
$value	mixed	The input value
return	float\|integer	The normalized number value
throws	yii\base\InvalidParamException	if the input value is not numeric.