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Make file size messages human-readable #803

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2 changes: 1 addition & 1 deletion CHANGELOG.md
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Expand Up @@ -2,7 +2,7 @@

## 2.6.1 under development

- no changes in this release.
- Bug #802: Use translatable human-readable file sizes in `File` validation messages and add numeric, unit, and raw byte placeholders (@samdark)
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@vjik vjik Jun 7, 2026

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Suggested change
- Bug #802: Use translatable human-readable file sizes in `File` validation messages and add numeric, unit, and raw byte placeholders (@samdark)
- Chg #802: Use translatable human-readable file sizes in `File` validation messages and add numeric, unit, and raw byte placeholders (@samdark)


## 2.6.0 June 02, 2026

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7 changes: 7 additions & 0 deletions docs/guide/en/built-in-rules-file.md
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Expand Up @@ -79,6 +79,13 @@ This option should be used with care because the client can send any media type
For filesystem-backed uploads, size checks use the actual file size on disk. For pathless streams, size checks use the
PSR-7 upload size when available. If a size constraint is configured and the size can't be determined, validation fails.

Default size error messages use translatable human-readable units, for example `50 MB` when `maxSize` is
`50 * 1024 * 1024`.
In custom messages, `{limit}` and `{exactly}` contain the full human-readable size string. Use `{limitValue}` /
`{exactlyValue}` with `{limitUnit}` / `{exactlyUnit}` when a custom message needs the numeric value and unit separately.
Use `{limitBytes}` or `{exactlyBytes}` when a custom message needs the raw byte value for ICU number or plural
formatting.

`size` is mutually exclusive with `minSize` and `maxSize`. When both `minSize` and `maxSize` are set, `minSize` must be
less than or equal to `maxSize`.

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39 changes: 39 additions & 0 deletions messages/de/yii-validator.php
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Expand Up @@ -9,6 +9,7 @@
use Yiisoft\Validator\Rule\Each;
use Yiisoft\Validator\Rule\Email;
use Yiisoft\Validator\Rule\Equal;
use Yiisoft\Validator\Rule\File;
use Yiisoft\Validator\Rule\FilledAtLeast;
use Yiisoft\Validator\Rule\FilledOnlyOneOf;
use Yiisoft\Validator\Rule\GreaterThan;
Expand Down Expand Up @@ -211,6 +212,44 @@
/** @see AnyRule */
'At least one of the inner rules must pass the validation.' => 'Mindestens eine der inneren Regeln muss die Validierung bestehen.',

/** @see File */
'The size of {property} must be exactly {exactlyValue, number} {exactlyValue, plural, one{byte} other{bytes}}.' =>
'Die Größe von {property} muss genau {exactlyValue, number} {exactlyValue, plural, one{Byte} other{Byte}} betragen.',
'The size of {property} must be exactly {exactlyValue, number} KB.' =>
'Die Größe von {property} muss genau {exactlyValue, number} KB betragen.',
'The size of {property} must be exactly {exactlyValue, number} MB.' =>
'Die Größe von {property} muss genau {exactlyValue, number} MB betragen.',
'The size of {property} must be exactly {exactlyValue, number} GB.' =>
'Die Größe von {property} muss genau {exactlyValue, number} GB betragen.',
'The size of {property} must be exactly {exactlyValue, number} TB.' =>
'Die Größe von {property} muss genau {exactlyValue, number} TB betragen.',
'The size of {property} must be exactly {exactlyValue, number} PB.' =>
'Die Größe von {property} muss genau {exactlyValue, number} PB betragen.',
'The size of {property} cannot be smaller than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' =>
'Die Größe von {property} darf nicht kleiner als {limitValue, number} {limitValue, plural, one{Byte} other{Byte}} sein.',
'The size of {property} cannot be smaller than {limitValue, number} KB.' =>
'Die Größe von {property} darf nicht kleiner als {limitValue, number} KB sein.',
'The size of {property} cannot be smaller than {limitValue, number} MB.' =>
'Die Größe von {property} darf nicht kleiner als {limitValue, number} MB sein.',
'The size of {property} cannot be smaller than {limitValue, number} GB.' =>
'Die Größe von {property} darf nicht kleiner als {limitValue, number} GB sein.',
'The size of {property} cannot be smaller than {limitValue, number} TB.' =>
'Die Größe von {property} darf nicht kleiner als {limitValue, number} TB sein.',
'The size of {property} cannot be smaller than {limitValue, number} PB.' =>
'Die Größe von {property} darf nicht kleiner als {limitValue, number} PB sein.',
'The size of {property} cannot be larger than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' =>
'Die Größe von {property} darf nicht größer als {limitValue, number} {limitValue, plural, one{Byte} other{Byte}} sein.',
'The size of {property} cannot be larger than {limitValue, number} KB.' =>
'Die Größe von {property} darf nicht größer als {limitValue, number} KB sein.',
'The size of {property} cannot be larger than {limitValue, number} MB.' =>
'Die Größe von {property} darf nicht größer als {limitValue, number} MB sein.',
'The size of {property} cannot be larger than {limitValue, number} GB.' =>
'Die Größe von {property} darf nicht größer als {limitValue, number} GB sein.',
'The size of {property} cannot be larger than {limitValue, number} TB.' =>
'Die Größe von {property} darf nicht größer als {limitValue, number} TB sein.',
'The size of {property} cannot be larger than {limitValue, number} PB.' =>
'Die Größe von {property} darf nicht größer als {limitValue, number} PB sein.',

/** @see Image */
'{Property} must be an image.' => '{Property} muss ein Bild sein.',
'The width of {property} must be exactly {exactly, number} {exactly, plural, one{pixel} other{pixels}}.' =>
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20 changes: 20 additions & 0 deletions messages/pl/yii-validator.php
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Expand Up @@ -13,6 +13,7 @@
use Yiisoft\Validator\Rule\Each;
use Yiisoft\Validator\Rule\Email;
use Yiisoft\Validator\Rule\Equal;
use Yiisoft\Validator\Rule\File;
use Yiisoft\Validator\Rule\GreaterThan;
use Yiisoft\Validator\Rule\GreaterThanOrEqual;
use Yiisoft\Validator\Rule\Image\Image;
Expand Down Expand Up @@ -63,6 +64,25 @@
'{Property} is not a valid email address.' => '{Property} nie jest prawidłowym adresem e-mail.',
/** @see FloatType */
'{Property} must be a float.' => '{Property} musi być liczbą zmiennoprzecinkową.',
/** @see File */
'The size of {property} must be exactly {exactlyValue, number} {exactlyValue, plural, one{byte} other{bytes}}.' => 'Rozmiar {property} musi wynosić dokładnie {exactlyValue, number} {exactlyValue, plural, one{bajt} few{bajty} many{bajtów} other{bajta}}.',
'The size of {property} must be exactly {exactlyValue, number} KB.' => 'Rozmiar {property} musi wynosić dokładnie {exactlyValue, number} KB.',
'The size of {property} must be exactly {exactlyValue, number} MB.' => 'Rozmiar {property} musi wynosić dokładnie {exactlyValue, number} MB.',
'The size of {property} must be exactly {exactlyValue, number} GB.' => 'Rozmiar {property} musi wynosić dokładnie {exactlyValue, number} GB.',
'The size of {property} must be exactly {exactlyValue, number} TB.' => 'Rozmiar {property} musi wynosić dokładnie {exactlyValue, number} TB.',
'The size of {property} must be exactly {exactlyValue, number} PB.' => 'Rozmiar {property} musi wynosić dokładnie {exactlyValue, number} PB.',
'The size of {property} cannot be smaller than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' => 'Rozmiar {property} nie może być mniejszy niż {limitValue, number} {limitValue, plural, one{bajt} few{bajty} many{bajtów} other{bajta}}.',
'The size of {property} cannot be smaller than {limitValue, number} KB.' => 'Rozmiar {property} nie może być mniejszy niż {limitValue, number} KB.',
'The size of {property} cannot be smaller than {limitValue, number} MB.' => 'Rozmiar {property} nie może być mniejszy niż {limitValue, number} MB.',
'The size of {property} cannot be smaller than {limitValue, number} GB.' => 'Rozmiar {property} nie może być mniejszy niż {limitValue, number} GB.',
'The size of {property} cannot be smaller than {limitValue, number} TB.' => 'Rozmiar {property} nie może być mniejszy niż {limitValue, number} TB.',
'The size of {property} cannot be smaller than {limitValue, number} PB.' => 'Rozmiar {property} nie może być mniejszy niż {limitValue, number} PB.',
'The size of {property} cannot be larger than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' => 'Rozmiar {property} nie może być większy niż {limitValue, number} {limitValue, plural, one{bajt} few{bajty} many{bajtów} other{bajta}}.',
'The size of {property} cannot be larger than {limitValue, number} KB.' => 'Rozmiar {property} nie może być większy niż {limitValue, number} KB.',
'The size of {property} cannot be larger than {limitValue, number} MB.' => 'Rozmiar {property} nie może być większy niż {limitValue, number} MB.',
'The size of {property} cannot be larger than {limitValue, number} GB.' => 'Rozmiar {property} nie może być większy niż {limitValue, number} GB.',
'The size of {property} cannot be larger than {limitValue, number} TB.' => 'Rozmiar {property} nie może być większy niż {limitValue, number} TB.',
'The size of {property} cannot be larger than {limitValue, number} PB.' => 'Rozmiar {property} nie może być większy niż {limitValue, number} PB.',
/** @see Image */
'{Property} must be an image.' => '{Property} musi być obrazem.',
'The width of {property} must be exactly {exactly, number} {exactly, plural, one{pixel} other{pixels}}.' => 'Szerokość {property} musi wynosić dokładnie {exactly, number} {exactly, plural, one{piksel} few{piksele} many{pikseli} other{piksela}}.',
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39 changes: 39 additions & 0 deletions messages/pt-BR/yii-validator.php
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Expand Up @@ -9,6 +9,7 @@
use Yiisoft\Validator\Rule\Each;
use Yiisoft\Validator\Rule\Email;
use Yiisoft\Validator\Rule\Equal;
use Yiisoft\Validator\Rule\File;
use Yiisoft\Validator\Rule\FilledAtLeast;
use Yiisoft\Validator\Rule\FilledOnlyOneOf;
use Yiisoft\Validator\Rule\GreaterThan;
Expand Down Expand Up @@ -188,6 +189,44 @@
/** @see AnyRule */
'At least one of the inner rules must pass the validation.' => 'Pelo menos uma das regras internas deve passar na validação.',

/** @see File */
'The size of {property} must be exactly {exactlyValue, number} {exactlyValue, plural, one{byte} other{bytes}}.' =>
'O tamanho de {property} deve ser exatamente {exactlyValue, number} {exactlyValue, plural, one{byte} few{bytes} many{bytes} other{bytes}}.',
'The size of {property} must be exactly {exactlyValue, number} KB.' =>
'O tamanho de {property} deve ser exatamente {exactlyValue, number} KB.',
'The size of {property} must be exactly {exactlyValue, number} MB.' =>
'O tamanho de {property} deve ser exatamente {exactlyValue, number} MB.',
'The size of {property} must be exactly {exactlyValue, number} GB.' =>
'O tamanho de {property} deve ser exatamente {exactlyValue, number} GB.',
'The size of {property} must be exactly {exactlyValue, number} TB.' =>
'O tamanho de {property} deve ser exatamente {exactlyValue, number} TB.',
'The size of {property} must be exactly {exactlyValue, number} PB.' =>
'O tamanho de {property} deve ser exatamente {exactlyValue, number} PB.',
'The size of {property} cannot be smaller than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' =>
'O tamanho de {property} não pode ser menor que {limitValue, number} {limitValue, plural, one{byte} few{bytes} many{bytes} other{bytes}}.',
'The size of {property} cannot be smaller than {limitValue, number} KB.' =>
'O tamanho de {property} não pode ser menor que {limitValue, number} KB.',
'The size of {property} cannot be smaller than {limitValue, number} MB.' =>
'O tamanho de {property} não pode ser menor que {limitValue, number} MB.',
'The size of {property} cannot be smaller than {limitValue, number} GB.' =>
'O tamanho de {property} não pode ser menor que {limitValue, number} GB.',
'The size of {property} cannot be smaller than {limitValue, number} TB.' =>
'O tamanho de {property} não pode ser menor que {limitValue, number} TB.',
'The size of {property} cannot be smaller than {limitValue, number} PB.' =>
'O tamanho de {property} não pode ser menor que {limitValue, number} PB.',
'The size of {property} cannot be larger than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' =>
'O tamanho de {property} não pode ser maior que {limitValue, number} {limitValue, plural, one{byte} few{bytes} many{bytes} other{bytes}}.',
'The size of {property} cannot be larger than {limitValue, number} KB.' =>
'O tamanho de {property} não pode ser maior que {limitValue, number} KB.',
'The size of {property} cannot be larger than {limitValue, number} MB.' =>
'O tamanho de {property} não pode ser maior que {limitValue, number} MB.',
'The size of {property} cannot be larger than {limitValue, number} GB.' =>
'O tamanho de {property} não pode ser maior que {limitValue, number} GB.',
'The size of {property} cannot be larger than {limitValue, number} TB.' =>
'O tamanho de {property} não pode ser maior que {limitValue, number} TB.',
'The size of {property} cannot be larger than {limitValue, number} PB.' =>
'O tamanho de {property} não pode ser maior que {limitValue, number} PB.',

/** @see Image */
'{Property} must be an image.' => '{Property} deve ser uma imagem.',
'The width of {property} must be exactly {exactly, number} {exactly, plural, one{pixel} other{pixels}}.' =>
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39 changes: 39 additions & 0 deletions messages/ru/yii-validator.php
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Expand Up @@ -9,6 +9,7 @@
use Yiisoft\Validator\Rule\Each;
use Yiisoft\Validator\Rule\Email;
use Yiisoft\Validator\Rule\Equal;
use Yiisoft\Validator\Rule\File;
use Yiisoft\Validator\Rule\FilledAtLeast;
use Yiisoft\Validator\Rule\FilledOnlyOneOf;
use Yiisoft\Validator\Rule\GreaterThan;
Expand Down Expand Up @@ -196,6 +197,44 @@
/** @see AnyRule */
'At least one of the inner rules must pass the validation.' => 'Как минимум одно из внутренних правил должно пройти валидацию.',

/** @see File */
'The size of {property} must be exactly {exactlyValue, number} {exactlyValue, plural, one{byte} other{bytes}}.' =>
'Размер {property} должен быть ровно {exactlyValue, number} {exactlyValue, plural, one{байт} few{байта} many{байтов} other{байта}}.',
'The size of {property} must be exactly {exactlyValue, number} KB.' =>
'Размер {property} должен быть ровно {exactlyValue, number} КБ.',
'The size of {property} must be exactly {exactlyValue, number} MB.' =>
'Размер {property} должен быть ровно {exactlyValue, number} МБ.',
'The size of {property} must be exactly {exactlyValue, number} GB.' =>
'Размер {property} должен быть ровно {exactlyValue, number} ГБ.',
'The size of {property} must be exactly {exactlyValue, number} TB.' =>
'Размер {property} должен быть ровно {exactlyValue, number} ТБ.',
'The size of {property} must be exactly {exactlyValue, number} PB.' =>
'Размер {property} должен быть ровно {exactlyValue, number} ПБ.',
'The size of {property} cannot be smaller than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' =>
'Размер {property} не может быть меньше {limitValue, number} {limitValue, plural, one{байта} few{байтов} many{байтов} other{байта}}.',
'The size of {property} cannot be smaller than {limitValue, number} KB.' =>
'Размер {property} не может быть меньше {limitValue, number} КБ.',
'The size of {property} cannot be smaller than {limitValue, number} MB.' =>
'Размер {property} не может быть меньше {limitValue, number} МБ.',
'The size of {property} cannot be smaller than {limitValue, number} GB.' =>
'Размер {property} не может быть меньше {limitValue, number} ГБ.',
'The size of {property} cannot be smaller than {limitValue, number} TB.' =>
'Размер {property} не может быть меньше {limitValue, number} ТБ.',
'The size of {property} cannot be smaller than {limitValue, number} PB.' =>
'Размер {property} не может быть меньше {limitValue, number} ПБ.',
'The size of {property} cannot be larger than {limitValue, number} {limitValue, plural, one{byte} other{bytes}}.' =>
'Размер {property} не может быть больше {limitValue, number} {limitValue, plural, one{байта} few{байтов} many{байтов} other{байта}}.',
'The size of {property} cannot be larger than {limitValue, number} KB.' =>
'Размер {property} не может быть больше {limitValue, number} КБ.',
'The size of {property} cannot be larger than {limitValue, number} MB.' =>
'Размер {property} не может быть больше {limitValue, number} МБ.',
'The size of {property} cannot be larger than {limitValue, number} GB.' =>
'Размер {property} не может быть больше {limitValue, number} ГБ.',
'The size of {property} cannot be larger than {limitValue, number} TB.' =>
'Размер {property} не может быть больше {limitValue, number} ТБ.',
'The size of {property} cannot be larger than {limitValue, number} PB.' =>
'Размер {property} не может быть больше {limitValue, number} ПБ.',

/** @see Image */
'{Property} must be an image.' => '{Property} должно быть изображением.',
'The width of {property} must be exactly {exactly, number} {exactly, plural, one{pixel} other{pixels}}.' =>
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