PHP code example of headsnet / collections

1. Go to this page and download the library: Download headsnet/collections 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/ */

headsnet / collections example snippets


final class Foo
{
    public function __construct(
        public string $name
    ) {
    }
}


/**
 * @extends AbstractImmutableCollection<Foo>
 *
 * @method self filter(callable $func)
 * @method self reverse()
 */
final class FooCollection extends AbstractImmutableCollection
{
    public function getItemClassName(): string
    {
        return Foo::class;
    }
}


$foo1 = new Foo();
$foo2 = new Foo();

$allFoos = new FooCollection([$foo1, $foo2]);


foreach ($allFoos as $foo) {
    $this->assertInstanceOf(Foo::class, $foo);
}