respect-validation/docs/rules/Size.md

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# Size
- `Size(string $minSize)`
- `Size(string $minSize, string $maxSize)`
- `Size(null, string $maxSize)`
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Validates whether the input is a file that is of a certain size or not.
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```php
v::size('1KB')->validate($filename); // Must have at least 1KB size
v::size('1MB', '2MB')->validate($filename); // Must have the size between 1MB and 2MB
v::size(null, '1GB')->validate($filename); // Must not be greater than 1GB
```
Sizes are not case-sensitive and the accepted values are:
- B
- KB
- MB
- GB
- TB
- PB
- EB
- ZB
- YB
This validator will consider `SplFileInfo` instances, like:
```php
v::size('1.5mb')->validate(new SplFileInfo($filename)); // Will return true or false
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```
Message template for this validator includes `{{minSize}}` and `{{maxSize}}`.
## Categorization
- File system
## Changelog
Version | Description
--------|-------------
2.1.0 | Add PSR-7 support
1.0.0 | Created
***
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See also:
- [Directory](Directory.md)
- [Executable](Executable.md)
- [Exists](Exists.md)
- [Extension](Extension.md)
- [File](File.md)
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- [Image](Image.md)
- [Mimetype](Mimetype.md)
- [Readable](Readable.md)
- [SymbolicLink](SymbolicLink.md)
- [Uploaded](Uploaded.md)
- [Writable](Writable.md)