How-to articles, tricks, and solutions about APACHE2
413 Request Entity Too Large - File Upload Issue
The HTTP error 413 Request Entity Too Large indicates that the server is unable to process the request because the request payload (the body of the request) is larger than the server is able to handle.
Only variable references should be returned by reference - Codeigniter
This error message in Codeigniter indicates that you are attempting to return a variable by reference, but only variable references can be returned by reference.