---
title: "What's new in PHP 8.3"
url: https://daily.dev/posts/what-s-new-in-php-8-3-7iq5alj1v
source_url: https://stitcher.io/blog/new-in-php-83
type: article
source: "stitcher.io"
published: 2023-04-07T09:05:14.088Z
updated: 2023-04-07T09:05:13.978Z
tags: ["php"]
reading_time: 5
upvotes: 51
comments: 2
language: en
---

> ## Documentation Index
> Fetch the complete documentation index at: https://daily.dev/llms.txt
> Use this file to discover all available pages before exploring further.

# What's new in PHP 8.3

**[stitcher.io](https://daily.dev/sources/stitcher)** · 5 min read · 51 upvotes · 2 comments

## Summary

PHP 8.3 will be released on November 23, 2023; it has improvements to readonly classes, the new function, additions to the recently added class, stack overflow detection, and more. In this post, we'll go through all features, performance improvements, changes, changes and deprecations one by one.

## Full article

daily.dev links to this article rather than hosting it. Read it at the original source: <https://stitcher.io/blog/new-in-php-83>

## Community discussion

Top comments from developers on daily.dev.

**@kugozx** · 0 upvotes

> good

**@munaimpro** · 0 upvotes

> In case of negative indices in array, in current version, index after negative index starts with 0. But in new version, negative indexes will not be neglected and sequence will be maintained. Which one is actually effective?
> I think last one, because if someone need to apply negative index, it will be easier for him from now on!

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---

Tags: [#php](https://daily.dev/tags/php)

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