<commit_before><?php

namespace Laasti\Lazydata;

/**
 * Data Class
 *
 */
class Data implements \ArrayAccess, \JsonSerializable
{

    protected $data;
    protected $resolver;

    public function __construct($initialData = [], ResolverInterface $resolver = null)
    {
        $this->resolver = $resolver ? : new CallableResolver;
        $this->add($initialData);
    }<commit_msg>Bugfix empty array serialized to null<commit_after><?php

namespace Laasti\Lazydata;

/**
 * Data Class
 *
 */
class Data implements \ArrayAccess, \JsonSerializable
{

    protected $data = [];
    protected $resolver;

    public function __construct($initialData = [], ResolverInterface $resolver = null)
    {
        $this->resolver = $resolver ? : new CallableResolver;
        $this->add($initialData);
    }
{'fraction_non_alphanumeric': 0.12390488110137672, 'fraction_numerical': 0.0, 'mean_word_length': 3.3956043956043955, 'pattern_counts': {'":': 0, '<': 5, '<?xml version=': 0, '>': 7, 'https://': 0, 'lorem ipsum': 0, 'www.': 0, 'xml': 0}, 'pii_count': 0, 'substrings_counts': 0, 'word_list_counts': {'cursed_substrings.json': 0, 'profanity_word_list.json': 0, 'sexual_word_list.json': 0, 'zh_pornsignals.json': 0}}
{'dir': 'git-commits-cleaned', 'id': '1143138', 'n_tokens_mistral': 237, 'n_tokens_neox': 230, 'n_words': 55}