php 8.0: Warning: Constant ABSPATH already defined in..
With PHP 8.0.2, WordPress doesn’t really work (newest, 5.7 version). For example, if would upload a template (totally new WordPress install, nothing changed), I get the following error:
‘There has been a critical error on your website, Please check your site admin email for instructions’
And template is not uploaded (of course I know that I could do it manually).
Also, emails are not sent from WordPress. And who knows what other problems there are.
The background of all these problems are these error messages from php_error.log:
PHP Warning: Constant ABSPATH already defined in /web/**/**/blog/wp-config.php on line 23
I get these error messages also from a site with PHP 8.0, which works for years. So 2 totally new sites doesn’t work too well, and also a third send these messages.
My hosting provider wrote me, that this is a WordPress problem, not a hosting provider problem (but maybe it is, because I didn’t find that anyone else had this problem, with warning, I only found with notice).
Thanks a lot!
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