--- title: PHP: Migrating from PHP 8.5.x to PHP 8.6.x | daily.dev description: PHP 8.6 introduces new features along with a few incompatibilities. Developers should test their codebases for these incompatibilities before switching... canonical: https://daily.dev/posts/o3rgxzrvg twitter:card: summary_large_image twitter:site: @dailydotdev og:type: website og:site_name: daily.dev og:title: PHP: Migrating from PHP 8.5.x to PHP 8.6.x | daily.dev og:description: PHP 8.6 introduces new features along with a few incompatibilities. Developers should test their codebases for these incompatibilities before switching... og:url: https://daily.dev/posts/o3rgxzrvg og:image: https://api.daily.dev/og/posts/O3rGXZrvG.png og:image:alt: Post cover image og:image:width: 1200 og:image:height: 630 og:locale: 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. # PHP: Migrating from PHP 8.5.x to PHP 8.6.x **[PHP Dev](https://daily.dev/sources/phpdev)** · [@damienseguy](https://daily.dev/damienseguy) · 17 upvotes · 1 comments ## Summary PHP 8.6 introduces new features along with a few incompatibilities. Developers should test their codebases for these incompatibilities before switching production environments to PHP 8.6.x. The official migration page also links to migration guides for PHP versions 7.1.x through 8.5.x. ## Full article daily.dev links to this article rather than hosting it. Read it at the original source: ## Community discussion Top comments from developers on daily.dev. **@damienseguy** · 2 upvotes > It is out! ## Similar posts on daily.dev - [PHP 7.4 To PHP 8.6 Benchmarks, PHP 8.6 JIT Performance](https://daily.dev/posts/php-7-4-to-php-8-6-benchmarks-php-8-6-jit-performance-ribwvqfvn) · Phoronix · 10 upvotes · 0 comments - [PHP Version Migration](https://daily.dev/posts/php-version-migration-c0ycuevnf) · JetBrains · 0 upvotes · 0 comments - [What's new in PHP 8.6](https://daily.dev/posts/what-s-new-in-php-8-6-odxylx0nn) · Amit Merchant · 0 upvotes · 0 comments - [PHP 8.5.7 Released](https://daily.dev/posts/php-8-5-7-released-rr3abbwvq) · externals.io · 0 upvotes · 0 comments - [PHP: PHP 8.5.5 Release Announcement](https://daily.dev/posts/php-php-8-5-5-release-announcement-2i7ptwaku) · PHP · 47 upvotes · 2 comments --- Tags: [#php](https://daily.dev/tags/php) [View this post on daily.dev](https://daily.dev/posts/o3rgxzrvg) ```json {"@context":"https://schema.org","@graph":[{"@type":"Organization","@id":"https://daily.dev/#organization","name":"daily.dev","url":"https://daily.dev","logo":{"@type":"ImageObject","url":"https://daily.dev/apple-touch-icon.png","width":180,"height":180},"sameAs":["https://twitter.com/dailydotdev","https://github.com/dailydotdev","https://www.linkedin.com/company/daily-dev-ltd"]},{"@type":"WebSite","@id":"https://daily.dev/#website","url":"https://daily.dev","name":"daily.dev","publisher":{"@id":"https://daily.dev/#organization"},"potentialAction":{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https://daily.dev/search?q={search_term_string}"},"query-input":"required name=search_term_string"}}]} {"@context":"https://schema.org","@type":"DiscussionForumPosting","mainEntityOfPage":"https://daily.dev/posts/o3rgxzrvg","headline":"PHP: Migrating from PHP 8.5.x to PHP 8.6.x","text":"Shared: PHP: Migrating from PHP 8.5.x to PHP 8.6.x","url":"https://daily.dev/posts/o3rgxzrvg","datePublished":"2026-11-07T08:11:26.627Z","dateModified":"2026-11-07T08:12:29.998Z","author":{"@type":"Person","name":"Damien seguy","url":"https://daily.dev/damienseguy","image":"https://media.daily.dev/image/upload/s--nPbjKqol--/f_auto,q_auto/v1698422671/avatars/avatar_G85JhYcDxAg024Omc8Rlp","description":"PHP developer passionate about deep language knowledge, testing, static analysis, and sustainable it","worksFor":{"@type":"Organization","name":"Exakat","logo":"https://media.daily.dev/image/upload/s--ibtl6fze--/f_auto/v1749051132/companies/exakat"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"EndorseAction"},"userInteractionCount":42550}},"image":"https://media.daily.dev/image/upload/s--HRgLpUt6--/f_auto/v1722860399/public/Placeholder%2003","interactionStatistic":[{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":17},{"@type":"InteractionCounter","interactionType":{"@type":"CommentAction"},"userInteractionCount":1}],"sharedContent":{"@type":"WebPage","url":"https://api.daily.dev/r/NVcCG1KQ9"},"comment":[{"@type":"Comment","text":"It is out!","datePublished":"2026-11-07T08:11:41.345Z","url":"https://daily.dev/posts/O3rGXZrvG#c-9VlGzWdP5","author":{"@type":"Person","name":"Damien seguy","url":"https://daily.dev/damienseguy","image":"https://media.daily.dev/image/upload/s--nPbjKqol--/f_auto,q_auto/v1698422671/avatars/avatar_G85JhYcDxAg024Omc8Rlp"},"interactionStatistic":{"@type":"InteractionCounter","interactionType":{"@type":"LikeAction"},"userInteractionCount":2}}],"isPartOf":{"@type":"WebPage","url":"https://daily.dev/squads/phpdev","name":"PHP Dev"}} {"@context":"https://schema.org","@type":"BreadcrumbList","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https://daily.dev"},{"@type":"ListItem","position":2,"name":"PHP Dev","item":"https://daily.dev/squads/phpdev"},{"@type":"ListItem","position":3,"name":"PHP: Migrating from PHP 8.5.x to PHP 8.6.x"}]} ```