Collection library for PHP

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2.1.4 2013-06-08 22:04 UTC

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Last update: 2024-06-08 13:43:14 UTC


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PHP version

A set of array replacement classes for PHP


  • PHP 5.4
  • Composer


Add Collection to your project

$ php composer.phar require webcodr/collection:2.*

Basic information

Collections provides two classes: MutableMap and ArrayMap

ArrayMap extends MutableMap with an implementation of the SPL interface ArrayAccess

MutableMap implements the SPL interfaces IteratorAggregate and Countable.

Both classes support a fluent interface with method chaining. Methods without a specific return value like get() or has() will return in the object itself.


A little code example says more than 1,000 words, so here we go:

The complete documentation is available in doc directory. (it's little buggy due to the use of traits)


use Collection\MutableMap;

$map = new MutableMap([
    'name' => 'William Adama',
    'rank' => 'Admiral'

// getter and setter methods
echo $map->get('name'); // result = William Adama
var_dump($map->has('name')); // result = true

$map->set('commands', 'BSG 75');

// iterator method (you also use foreach() on the $map object)
$map->each(function($value, $attribute) {
    echo "{$attribute}: {$value}";

// update attributes with an array
    'name' => 'Lee Adama',
    'rank' => 'Commander',
    'commands' => 'BSG 62'

echo $map->get('name'); // result = Lee Adama

// fast access with first() and last()
$battlestars = new MutableMap('Galactica', 'Pegasus', 'Atlantia');
echo $battlestars->first(); // result = Galactica
echo $battlestars->last(); // result = Atlantia

// method chaining
echo $battlestars->reverse()->last(); // result = Galactica