PHP code example of phpextra / common

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

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

    

phpextra / common example snippets

class TheGuy extends AbstractEnum
{
    const _default = self::NICE_GUY;
    const SMART_GUY = 'Mike';
    const NICE_GUY = 'Rick';
}

$guy = new TheGuy();
echo $guy->getValue(); // returns Rick

$mike = new TheGuy(TheGuy::MIKE);
echo $mike->getValue(); // returns Mike

echo $guy->equals($mike); // returns false

$collection = new Collection();

$collection->add('item1');
$collection->add('item2');
$collection->add('item3);

echo count($collection); // returns 3
echo $collection[0]; // returns "item1"
echo $collection->slice(1, 2); // returns Collection with a length of 2 containing item2 and item3.
echo $collection->filter(function($element, $offset){ return $offset % 2 == 0; }); // returns sub-collection with all elements with even offset number
$collection->sort(SorterInterface $sorter); // sorts collection

$lazy = new LazyCollection(function(){
    return new Collection(array(1, 2, 3));
});

echo $lazy[2]; // initializes the closure and returns "3"

$messedUpResponse = $api->getMeSomeChickens(); // returns "Chicken" **or** "Collection" **of** "Chickens" **or** "no" as an error response :-)

$result = new UnknownType($messedUpResponse);

if($result->isCollection()){
    $result->getAsCollection()->sort($sorter);
    ...
}elseif($result->isException){
    throw $result->getAsException();
    ...
}

$page = 2;
$itemsPerPage = 10;
$products = new Collection(...);
$paginator = new Paginator($products, $page, $itemsPerPage);

echo $paginator->getPage(); // returns a collection with size of 10 for current page
echo $paginator->getNextPageNumber(); // returns "3"
echo $paginator->hasNextPage(); // returns bool true or false