PHP code example of aeviiq / collection

1. Go to this page and download the library: Download aeviiq/collection library. Choose the download type require.

2. Extract the ZIP file and open the index.php.

3. Add this code to the index.php.

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

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

aeviiq / collection example snippets


/**
 * @extends ObjectCollection<int, Foo>
 *
 * @method \ArrayIterator|Foo[] getIterator()
 * @method Foo|null first()
 * @method Foo|null last()
 */
final class FooCollection extends ObjectCollection
{
    public function filterReleasedBefore(\DateTimeInterface $dateTime): FooCollection
    {
        return $this->filter(static function (Foo $foo) use ($dateTime): bool {
            return $foo->getReleaseDate() < $dateTime;
        });
    }

    public function filterActives(): FooCollection
    {
        return $this->filter(static function (Foo $foo): bool {
            return $foo->isActive();
        });
    }
    
    protected function allowedInstance(): string
    {
        return Foo::class;
    }
}


// Useful custom methods for ObjectCollections:
$fooCollection = new FooCollection([$foo1, $foo2]);
$result = $fooCollection->filterReleasedBefore(new DateTime('now'))->filterActives();

// Basic type collections that are provided
$intCollection = new IntCollection([1, 2]);
$intCollection->append(3);

$intCollection = new IntCollection([1, '2']); // InvalidArgumentException thrown
$intCollection->append('3');  // InvalidArgumentException thrown