# Can I use PHP Elasitcsearch client version 8 for Elasticsearch cluster version 7

**URL:** https://discuss.elastic.co/t/can-i-use-php-elasitcsearch-client-version-8-for-elasticsearch-cluster-version-7/349631
**Category:** Elasticsearch
**Created:** [December 19, 2023, 8:04am UTC](https://discuss.elastic.co/t/can-i-use-php-elasitcsearch-client-version-8-for-elasticsearch-cluster-version-7/349631 "2023-12-19T08:04:43Z")
**Posts on this page:** 2
**Page:** 1

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### Author: ![yoss\_fazwaz](https://sea2.discourse-cdn.com/elastic/user_avatar/discuss.elastic.co/yoss_fazwaz/32/129023_2.png) [@yoss\_fazwaz](https://discuss.elastic.co/u/yoss_fazwaz)
#### Post date: [December 19, 2023, 8:04am UTC](https://discuss.elastic.co/t/can-i-use-php-elasitcsearch-client-version-8-for-elasticsearch-cluster-version-7/349631/1 "2023-12-19T08:04:43Z")

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I am currently using Elasticsearch cluster version 7.17.7 and Elasticsearch client version 7.17.1. However, I want to upgrade the Elasticsearch client to version 8.11.

Will Elasticsearch client version 8.11 function properly with Elasticsearch cluster version 7.17.1?

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<div class="post-metadata">

### Author: ![system](https://us1.discourse-cdn.com/elastic/original/3X/1/a/1ac57faf039f6b580b3f104ef42a2a89e41014de.png) [@system](https://discuss.elastic.co/u/system)
#### Post date: [January 16, 2024, 8:05am UTC](https://discuss.elastic.co/t/can-i-use-php-elasitcsearch-client-version-8-for-elasticsearch-cluster-version-7/349631/2 "2024-01-16T08:05:30Z")

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