The default php.ini settings are quite narrow. Considering today's server's memory, CPU, storage, etc, the first thing in a default install is to improve upon these. None of these should affect existing application, especially if you are increasing the resources (which is the case here)
| Default Settings | New Settings |
|---|---|
| max_execution_time = 30 | max_execution_time = 60 |
| max_input_time = 60 | max_input_time = 90 |
| memory_limit = 128M | memory_limit = 256M |
| post_max_size = 8M | post_max_size = 32M |
| upload_max_filesize = 2M | upload_max_filesize = 32M |
| session.gc_maxlifetime = 1440 | session.gc_maxlifetime = 6000 |
| default_socket_timeout = 60 | default_socket_timeout = 120 |