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Parable GetSet allows for clean and intuitive handling of global variables such as $_GET and $_SERVER using value collections, in addition to resource objects with their own scope.

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Parable GetSet

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Parable GetSet allows for clean and intuitive handling of global variables such as $_GET and $_SERVER using value collections, in addition to resource objects with their own scope.

The major benefit is dot-notation (key.string) for nested values, such as $getCollection->get('this.is.nested');, which will look in the GetCollection's stored values for ['this']['is']['nested'].

Collections always return the requested value or null by default, allowing the predictable use of null coalescing.

Install

Php 8.0+ and composer are required.

$ composer require parable-php/getset

Usage

Assuming a query string like: ?id=345&user[name]=username:

$getCollection = new \Parable\GetSet\GetCollection();

echo $getCollection->get('id');
echo ':';
echo $getCollection->get('user.name');

Would output 345:username

Obviously you can also set values directly:

$getCollection->set('settings.mail.from', 'me@system');

// later

$mail_from = $getCollection->get('settings.mail.from') ?? 'nobody';

The Collections

Global Collections

These correspond to their $_NAME global variables, also found in the super-global $GLOBALS variable.

  • CookieCollection, handles $_COOKIE data.
  • FilesCollection, handles $_FILES data.
  • GetCollection, handles $_GET data.
  • PostCollection, handles $_POST data.
  • ServerCollection, handles $_SERVER data.
  • SessionCollection, handles $_SESSION data.

Local Resource Collections

  • DataCollection, a generic collection using only a local resource, useful for passing data throughout an application. Think configuration.
  • InputStreamCollection, to read out an input stream. Can import/parse json or query string data.

Your own custom Collections!

You can easily build your own collections by extending the BaseCollection class and co-opting the easy dot-notation get/set logic.

API

  • getAll(): array - returns all values currently stored
  • getAllAndClear(): array - returns all values currently stored and then clears them
  • get(string $key, $default = null): mixed - returns value by key or $default if not found
  • getAndRemove(string $key): mixed - returns value by key and then removes it, or throw exception if it doesn't exist
  • set(string $key, $value): void - set a value by key
  • setMany(array $values): void - set all values passed one-by-one, overwriting pre-existing values
  • setAll(array $values): void - set all values, overwriting any pre-existing ones
  • remove(string $key): void - remove by key, if already removed, throws
  • clear(): void - removes all values
  • has(string $key): bool - returns whether the passed key (or key.string) currently exists
  • count(): int - returns number of root value items (not all nested values)

Contributing

Any suggestions, bug reports or general feedback is welcome. Use github issues and pull requests, or find me over at devvoh.com.

License

All Parable components are open-source software, licensed under the MIT license.

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Parable GetSet allows for clean and intuitive handling of global variables such as $_GET and $_SERVER using value collections, in addition to resource objects with their own scope.

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