PHP code example of pinkcrab / collection

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

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

    

pinkcrab / collection example snippets

$collection = new Collection(['1',2,'3']);
$collection->push(4);
$collection->apply(fn($e) => (string) $e);
var_dump($collection); // ['1','2','3','4'];

$collection = new Collection([1,2,3,4,5,6,7,8,9,10]);
$collection->filter(fn($e) => $e % 2 == 0);
var_dump($collection); // [2,4,6,8,10];

$indexed_collection = new class() extends \PinkCrab\Collection\Collection {
	use \PinkCrab\Collection\Traits\Indexed;
};

$indexed_collection->set( 'key1', 'value1' );
$indexed_collection->has( 'key1' ); //true
var_dump( $indexed_collection );


// As a full class.
class Indexed_Collection extends \PinkCrab\Collection\Collection {
	use \PinkCrab\Collection\Traits\Indexed;
};

$indexed_collection = new Indexed_Collection();
$indexed_collection->set( 'key1', 'value1' );
$indexed_collection->has( 'key1' ); //true
var_dump( $indexed_collection );

 


class Post_Collection extends Collection {
	// Filter out anything not matching.
	protected function map_construct( array $data ): array {
		return array_filter(fn($e): bool => is_a($data, \WP_Post::class));
	}
}

$posts = Post_Collection::from([$post1, null, $post2, false, WP_Error]);
var_dump($posts->to_array()); // [$post1, $post2];

$collection->each(function($e){
	print $e->post_title . PHP_EOL;
}); 
// Post Title 1
// Post Title 2