One line support for other formats (customFileFormat)

[xy2z]

The Problem

Right now to load yaml or other filetypes other than the standard formats (ini, php, json) the user would have to make a class that extends the LiteConfig class and make a custom_handler method (as shown in the README).

However, that is a lot of "work" and code to just load yaml files.

The Solution

It could be solved using a single line like this: (first arg $extensions can be string|array)

LiteConfig::customFileFormat(['yml', 'yaml'], fn($path) => Yaml::parseFile($path));

A complete example would look like:

require 'path/to/vendor/autoload.php';

use xy2z\LiteConfig\LiteConfig;

LiteConfig::customFileFormat(['yml', 'yaml'], fn($path) => Yaml::parseFile($path));
LiteConfig::customFileFormat('neon', fn($path) => Neon::decodeFile($path));

LiteConfig::loadDir(__DIR__ . '/config', true); // contains settings.yml file.

echo LiteConfig::get('settings.app_name');

Todo

Make a new method in LiteConfig called custom_file_format() that takes an array|string as first argument, and a callback as second argument. It should just be used in getFileContent().

Remember to make a phpunit tests for this, just with the yaml is fine. You can install the symfony/yaml package with dev flag.
And also update the README.md.

The current "custom_handler" functionality should not be touched, it should still work.

Please ask if you have any questions.

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