Notice:Undefined index:user & pass
2005
"Notice: Undefined variable", "Notice: Undefined index", and "Notice: Undefined offset" using PHP
33904
Fatal error: Call to a member function fetch_assoc() on a non-object
4949
Admin login returns 'Sorry, unrecognized username or password.'
23702
Login Loop - "BadValue (integer parameter out of range for operation)" - 16.04
74059
How to call the constructor with call_user_func_array in PHP
150103
How can I retrieve an entry from /etc/passwd for a given username?
141962
Settings API - Undefined Index when unchecking checkbox
133891
Cannot add a new user
83787
"Failed to create user" due to regular expression error
125535
How do I fix this "identifier is not declared in the current scope" error?
27136
Reference: What is variable scope, which variables are accessible from where and what are "undefined variable" errors?
39806
Correct MySQL username/password, but getting Access Denied error when run from script
68398
PHP exec() vs system() vs passthru()
95600
Call to a member function bind_param() on a non-object MySQLi
66488
How can I fix the Permission error when I call session_start()?
5190
"id cannot be resolved or is not a field" error?
59129
Call to undefined method mysqli_stmt::get_result