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Package dictionary
Short Description Dictionary implementation for PHP
License MIT
Homepage https://github.com/gaming-engine/dictionary
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Informations about the package dictionary
PHP Dictionary
A quick and easy dictionary implementation for PHP.
This package was initially ported (and upgraded) from here.
Installation
You can install the package via composer:
Usage
Class \GamingEngine\Dictionary\Dictionary implements Iterator, ArrayAccess, Countable and Serializable. It also provides methods for creating and sorting Dictionary and for converting it to array.
Valid types of keys for the Dictionary are:
- object
- integer
- float
- string
- bool
- null
You cannot use:
- Closure
- array
Creating
To create empty Dictionary, use constructor.
You can also create Dictionary from key-value pairs.
Last option is to create Dictionary from array.
Converting to PHP array
There are three methods that let you retrieve data as array:
Dictionary::keys()- returns array of keys,Dictionary::values()- returns array of values,Dictionary::toPairs()- returns array of key-value pairs; each pair is 2-element array.
Copying Dictionary
Unlike an array, Dictionary is an object and that means it is reference type. If you want the copy of Dictionary, you have to use clone keyword or call Dictionary::getCopy() method.
Sorting elements
Just like an array, Dictionary is ordered. To sort Dictionary, use Dictionary::sortBy($callback, $direction) method. Any argument can be omitted.
$callbackwill be called for every element. Dictionary will be ordered by values returned by callback. First argument of the callback is value and second is key of element. Instead of callable, you can use "values" or "keys" string.$directioncan be "asc" or "desc". Default value is "asc".
Examples of sorting:
sortBy changes Dictionary it is called for. If you want sorted copy, chain it with getCopy.
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Testing
Changelog
Please see CHANGELOG for more information what has changed recently.
Contributing
Please see CONTRIBUTING for details.
Security
If you discover any security related issues, please email [email protected] instead of using the issue tracker.
Credits
- Andrew Judd
- All Contributors
License
The MIT License (MIT). Please see License File for more information.
