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bd48bdcda4
Introduces a Markdown linter for checking the Changelog format. "See Also" was transformed into a section to make it easier to handle it with the `Content` class. The "Related" linter was simplified to reflect that change too. An additional "alignment" parameter was added to markdown table generators, allowing the padding and headers to be explicitly marked with a specific left (-1), middle (0) or right(1) alignment. Existing files were fixed using the `fix` option after the changes.
62 lines
1.5 KiB
Markdown
62 lines
1.5 KiB
Markdown
<!--
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SPDX-FileCopyrightText: (c) Respect Project Contributors
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SPDX-License-Identifier: MIT
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-->
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# Number
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- `Number()`
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Validates if the input is a number.
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```php
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v::number()->assert(42);
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// Validation passes successfully
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v::number()->assert(acos(8));
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// → `NaN` must be a valid number
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```
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> "In computing, NaN, standing for not a number, is a numeric data type value
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> representing an undefined or unrepresentable value, especially in
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> floating-point calculations." [Wikipedia](https://en.wikipedia.org/wiki/NaN)
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## Templates
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### `Number::TEMPLATE_STANDARD`
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| Mode | Template |
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| ---------: | :--------------------------------- |
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| `default` | {{subject}} must be a valid number |
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| `inverted` | {{subject}} must not be a number |
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## Template placeholders
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| Placeholder | Description |
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| ----------- | ---------------------------------------------------------------- |
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| `subject` | The validated input or the custom validator name (if specified). |
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## Categorization
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- Numbers
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## Changelog
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| Version | Description |
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| ------: | :---------- |
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| 2.0.0 | Created |
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## See Also
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- [Blank](Blank.md)
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- [BoolType](BoolType.md)
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- [CallableType](CallableType.md)
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- [Falsy](Falsy.md)
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- [FloatType](FloatType.md)
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- [IntType](IntType.md)
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- [NullType](NullType.md)
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- [NumericVal](NumericVal.md)
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- [ObjectType](ObjectType.md)
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- [ResourceType](ResourceType.md)
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- [StringType](StringType.md)
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- [Undef](Undef.md)
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