Title: PHP 8.1 Compatibility Error
Last modified: September 29, 2022

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# PHP 8.1 Compatibility Error

 *  Resolved [aaronmcquade](https://wordpress.org/support/users/aaronmcquade/)
 * (@aaronmcquade)
 * [3 years, 8 months ago](https://wordpress.org/support/topic/php-8-1-compatibility-error/)
 * This is the following output when using php code sniffer to check for php 8.1
   compatibility, should we fix this ourselves or wait for the next release? Thanks!
 * FILE: google-sitemap-generator\sitemap-core.php
    ——————————————————————————– 
   FOUND 1 ERROR AND 1 WARNING AFFECTING 2 LINES ——————————————————————————– 2204
   | ERROR | Since PHP 7.0, functions inspecting arguments, like | | debug_backtrace(),
   no longer report the original value as | | passed to a parameter, but will instead
   provide the current | | value. The parameter “$last_mod” was changed on line 
   2196. 2232 | WARNING | Since PHP 7.0, functions inspecting arguments, like | 
   | debug_backtrace(), no longer report the original value as | | passed to a parameter,
   but will instead provide the current | | value. The parameter “$type” was used,
   and possibly changed | | (by reference), on line 2224. ——————————————————————————–

Viewing 1 replies (of 1 total)

 *  [saurabhdhariwal01](https://wordpress.org/support/users/saurabhdhariwal01/)
 * (@saurabhdhariwal01)
 * [3 years, 8 months ago](https://wordpress.org/support/topic/php-8-1-compatibility-error/#post-16063772)
 * Thanks for reaching out to us. Our plugin is working fine with PHP 8.1. We will
   resolve the PHPCS fixes with our upcoming releases.

Viewing 1 replies (of 1 total)

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## Tags

 * [php](https://wordpress.org/support/topic-tag/php/)

 * 1 reply
 * 2 participants
 * Last reply from: [saurabhdhariwal01](https://wordpress.org/support/users/saurabhdhariwal01/)
 * Last activity: [3 years, 8 months ago](https://wordpress.org/support/topic/php-8-1-compatibility-error/#post-16063772)
 * Status: resolved