MetaDataCollection.php

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<?php namespace ILIAS\GlobalScreen\Scope\Layout\MetaContent\MetaData;

use ILIAS\GlobalScreen\Scope\Layout\MetaContent\Media\Js;
use ILIAS\GlobalScreen\Scope\Layout\MetaContent\Media\Css;
use ILIAS\GlobalScreen\Scope\Layout\MetaContent\Media\InlineCss;
use ILIAS\GlobalScreen\Scope\Layout\MetaContent\Media\OnLoadCode;

class MetaDataCollection
{
    protected $items = [];
    
    public function add(MetaDatum $meta_datum) : void
    {
        $this->items[] = $meta_datum;
    }
    
    public function clear()
    {
        $this->items = [];
    }
    
    public function getItems() : \Iterator
    {
        yield from $this->items;
    }
    
    public function getItemsAsKeyValuePairs() : array
    {
        $key_value_pairs = [];
        array_walk($this->items, function (MetaDatum $d) use (&$key_value_pairs) {
            $key_value_pairs[$d->getKey()] = $d->getValue();
        });
        return $key_value_pairs;
    }
}