https://github.com/fab2s/bom

A purely static zero dependencies Helper to handle unicode BOMs
https://github.com/fab2s/bom

big-endian bom byte-order-mark little-endian php utf-16 utf-32 utf-8

Last synced: about 1 month ago
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A purely static zero dependencies Helper to handle unicode BOMs

• Host: GitHub
• URL: https://github.com/fab2s/bom
• Owner: fab2s
• License: mit
• Created: 2019-08-11T10:20:59.000Z (almost 6 years ago)
• Default Branch: master
• Last Pushed: 2021-06-16T09:46:18.000Z (almost 4 years ago)
• Last Synced: 2025-02-18T18:16:41.935Z (3 months ago)
• Topics: big-endian, bom, byte-order-mark, little-endian, php, utf-16, utf-32, utf-8
• Language: PHP
• Size: 6.84 KB
• Stars: 2
• Watchers: 2
• Forks: 0
• Open Issues: 0
• Metadata Files:
  • Readme: README.md
  • License: LICENSE

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README

        
# Bom

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A purely static zero dependencies [byte Order Mark](https://en.wikipedia.org/wiki/Byte_order_mark) Helper to handle unicode BOMs

## Installation

`Bom` can be installed using composer:

```

composer require "fab2s/bom"

```

`Bom` is also included in [OpinHelper](https://github.com/fab2s/OpinHelpers) which packages several bellow "Swiss Army Knife" level Helpers covering some of the most annoying aspects of php programing, such as UTF8 string manipulation, high precision Mathematics or properly locking a file

Should you need to work with php bellow 7.1, you can still use [OpinHelper](https://github.com/fab2s/OpinHelpers) `0.x`

## Prerequisites

`Bom` has no specific dependencies 

## In practice

`Bom` supports `UTF-8|16|32` BOMs in both [_Little_](https://en.wikipedia.org/wiki/Endianness#Little) and [_Big_](https://en.wikipedia.org/wiki/Endianness#Big) [Endianness](https://en.wikipedia.org/wiki/Endianness)

`Bom` is minimalistic, it only exposes five methods

```php

// get Bom

$bomAtStartOfString = Bom::extract($string); // returns null when none are found

// remove eventual BOM from beging of string

$bomLessString = Bom::drop($string);

// get encoding from a supported BOM

$encoding = Bom::getBomEncoding($bom); // returns null if the BOM is not valid

// get BOM for a supported encoding

$bom = Bom::getEncodingBom($encoding); // returns null if the encoding is not supported (has no BOM)

// get the list of BOMs as an array with corresponding encodings as indexes

$boms = Bom::getBoms(); // returns an associatiove array of encodings and correesponding BOMs

foreach ($boms as $encoding => $bom) {

    // do something ...

}

```

## Requirements

`Bom` is tested against php 7.1, 7.2, 7.3, 7.4 and 8.0

## Contributing

Contributions are welcome, do not hesitate to open issues and submit pull requests.

## License

`Bom` is open-sourced software licensed under the [MIT license](https://opensource.org/licenses/MIT).