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Example code of kozz/collection

Informations about the package collection

PHP Collection

Build Status Coverage Status Scrutinizer Code Quality Latest Stable Version Latest Unstable Version License

Data Structure based on SplDoublyLinkedList.

Numerical keys, consequentially increasing, no gaps possible. Quick sequential iterating.

Advantages:

Installation

Add the package to your composer.json and run composer update.

{
    "require": {
        "kozz/collection": "*"
    }
}

Basic Usage

Initializing

Initializing from any Traversable or Iterator

  1. You can initiate collection as SplDoublyLinkedList-based structure with Collection::from($traversable)

  2. You also able to use your Iterator as Collection's data container with new Collection($iterator). Your iterator will converts to SplDoublyLinkedList once you try use any method from ArrayAccess or Countable interfaces implemented in Collection. This is good solution if your iterator is cursor in big DB Data Set and you need just add some modifiers with addModifier

Modifiers

Sometimes you should modify your data in collection

With Collection

Modifiers are quite helpful to process DB Data Sets. And with this Collection you are able simply add modifier in just one line:

So now Modifiers are stored in Collection and you have two ways to apply it:

  1. use getFilterIterator() method to get an Iterator with all applied modifiers:

  2. Call ->toArray() that calls getFilterIterator() :

Without Collection

You actually can modify your data with plain SPL:

ArrayAccess

Adding element

Replacing element

Check offset

Retrieve element

Remove element

All versions of collection with dependencies

PHP Build Version
Package Version
Requires php Version >=5.4.0
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