PHP8 Fatal error

Hello,
When I use php7.4, I import the woocommerce website from the site library, everything works fine on the website,
When I use php8, I import the woocommerce website from the site library, and always report the following error：

Fatal error: Uncaught Error: Call to undefined function putenv() in /www/www.mysite.com/wp-content/plugins/woocommerce/includes/class-wc-regenerate-images-request.php:37 Stack trace: #0 /www/www.mysite.com/wp-content/plugins/woocommerce/includes/class-wc-regenerate-images.php(49): WC_Regenerate_Images_Request->__construct() #1
/www/www.mysite.com/wp-includes/class-wp-hook.php(303): WC_Regenerate_Images::init() #2
/www/www.mysite.com/wp-includes/class-wp-hook.php(327): WP_Hook->apply_filters() #3
/www/www.mysite.com/wp-includes/plugin.php(470): WP_Hook->do_action() #4
/www/www.mysite.com/wp-settings.php(578): do_action() #5
/www/www.mysite.com/wp-config.php(96): require_once('...') #6
/www/www.mysite.com/wp-load.php(50): require_once('...') #7
/www/www.mysite.com/wp-blog-header.php(13): require_once('...') #8
/www/www.mysite.com/index.php(17): require('...') #9 {main} thrown in /www/www.mysite.com/wp-content/plugins/woocommerce/includes/class-wc-regenerate-images-request.php on line 37
There has been a critical error on this website.

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For other reasons, I need to use PHP8 but cannot use PHP7. What should I do?