PHP code example of fusion-php / collection

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

fusion-php / collection example snippets

namespace App;

use Fusion\Collection\CollectionFactory;

.. or ...

$items = ['foo', 'bar', 'baz'];    
$collection = CollectionFactory::newCollection($items);

var_dump($collection->count()); //int (3)

$size = count($collection); //same as $size = $collection->count();

$collection->add(42);

$collection = CollectionFactory::newCollection(['foo', 'bar', 'baz']);
var_dump($collection->find(1)); //string 'bar'

$collection = CollectionFactory::newCollection(['foo', 'bar', 'baz']);
$collection->replace(1, 'bam'); //Collection is now ['foo', 'bam', 'baz']

 
$collection = CollectionFactory::newCollection(['foo', 'bar', 'baz']);
$collection->remove('foo'); //count() == 2

$collection = CollectionFactory::newCollection(['foo', 'bar', 'baz']);
$collection->removeAt(1); //Collection is now [0 => 'foo', 1 => 'baz');

$collection = CollectionFactory::newCollection(['foo', 'bar', 'baz']);
$collection->clear();
var_dump($collection->count()); //int (0)

$collection = CollectionFactory::newCollection(['foo', 'bar', 'baz']);

for ($i = 0; $i < count($collection); $i++)
{
    //... do something with $collection[$i];
}

// ... or ...

foreach ($collection as $key => $value)
{
    //... do something with $key and/or $value
}

$collection = CollectionFactory::newCollection(['foo', 'bar', 'baz']);

var_dump($collection[2]); //string 'baz'
$collection[2] = 'qux'; //same as calling $collection->replace(2, 'qux');

unset($collection[3]); //same as calling $collection->removeAt(3);

namespace App;

use Fusion\Collection\CollectionFactory;

.. or ...

$items = ['foo' => 'bar', 'baz' => 'bam'];    
$dictionary = CollectionFactory::newDictionary($items);

var_dump($dictionary->count()); //int (2)

$size = count($dictionary); //same as $size = $dictionary->count();

$dictionary->add('foo', 'bar');

$dictionary->replace('foo', 'bam');

$dictionary = CollectionFactory::newDictionary(['foo1' => 'bar', 'foo2' => 'bam']);

for ($i = 1; $i <= count($dictionary); $i++)
{
    // ... do something with $dictionary['foo' . $i];
}

// ... or ...

foreach ($dictionary as $key => $value)
{
    // ... do something with $key and/or $value
}

$dictionary = CollectionFactory::newDictionary(['foo' => 'bar', 'baz' => 'bam']);
var_dump($dictionary['baz']); //string 'bam'

unset($dictionary['foo']); // same as calling $dictionary->removeAt('foo');

$dictionary['foo'] = 'bar'; 
// same as calling $dictionary->add('foo', 'bar'); or $dictionary->replace('foo', 'bar');

namespace App;

use Fusion\Collection\CollectionFactory;

dCollection(Apple::class);

//Only instances of Apple are allowed
$apples->add(new Apple())
       ->add(new Apple())
       ->add(new Apple());

var_dump(count($apples)); //int (3)

// ... or ...

$setOfApples = [new Apple(), new Apple(), new Apple()];
$apples = CollectionFactory::newTypedCollection(Apple::class, $setOfApples);
var_dump(count($apples)); //int (3)

    
namespace App;
    
use Fusion\Collection\CollectionFactory;

ppleInterface { /* ... */ }
class GrannySmith implements AppleInterface { /* ... */ }
class Gala implements AppleInterface { /* ... */ }

$appleBasket = CollectionFactory::newTypedDictionary(AppleInterface::class);

$appleBasket->add('redDelicious', new RedDelicious())
            ->add('grannySmith', new GrannySmith())
            ->add('gala', new Gala());

namespace App;

use Fusion\Collection\Collection;
use Fusion\Collection\CollectionValidator;

z']);

var_dump(count($collection)); //int (3)