how to fix

php - if isset not working for undefined index, how to fix
this is my code though i am not sure what i am missing to remove the error:<!DOCTYPE html><html lang="en&
phpif isset not working for undefined indexhow to fix
admin21小时前
30
admin-ajax.php slow website, how to fix
I have a function in my wordpress that load a dynamic css. I checked that this admin-ajax.php call made the website slow
adminajaxphp slow websitehow to fix
admin1月前
90
permalinks - NGINX serve Wordpress from sub-path fails with 404, how to fix?
I'd like host review branches for staging, to test and get feedback before publishing to production. I tried to fol
permalinksNGINX serve Wordpress from subpath fails with 404how to fix
admin3月前
110

php - if isset not working for undefined index, how to fix