Sudipto Mahmud Posted April 17 Share Posted April 17 Hello, Does WHMCS compatible for PHP 8.4? Is it safe to change PHP 8.3 to PHP 8.4? 0 Quote Link to comment Share on other sites More sharing options...
Solution Damo Posted April 17 Solution Share Posted April 17 For the current 9.x versions, no it does not. https://docs.whmcs.com/9-0/installation-guide/system-requirements/ 0 Quote Link to comment Share on other sites More sharing options...
WHMCS Technical Analyst WHMCS Ricardo Posted April 19 WHMCS Technical Analyst Share Posted April 19 On 4/17/2026 at 6:08 AM, Sudipto Mahmud said: Hello, Does WHMCS compatible for PHP 8.4? Is it safe to change PHP 8.3 to PHP 8.4? Hey Sudipto Mahmud! Damo is correct. At the moment, the series 9 only supports PHP 8.2 and PHP 8.3. So keeping with PHP 8.3 is suggested. 0 Quote Link to comment Share on other sites More sharing options...
WHMCS Technical Analyst WHMCS Danny Posted June 12 WHMCS Technical Analyst Share Posted June 12 We will provide any information for PHP 8.4 in future releases. You can review our WHMCS 9.0 system requirements documentation for which PHP versions will work with WHMCS 9.0: https://docs.whmcs.com/9-0/installation-guide/system-requirements/#system-requirements Thanks. 0 Quote Link to comment Share on other sites More sharing options...
hmaddy Posted June 15 Share Posted June 15 No, php 84 will be available in future releases 0 Quote Link to comment Share on other sites More sharing options...
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