RequestTrait.php

Gets the user's IP address. If the IP address is not a valid IP address, then will return '0.0.0.0'.

Gets the client IP address from the HTTP header.

Fetch an item from the $_SERVER array.

Fetch an item from the $_ENV array.

Allows manually setting the value of PHP global, like $_GET, $_POST, etc.

Fetches one or more items from a global, like cookies, get, post, etc. Can optionally filter the input when you retrieve it by passing in a filter. If $type is an array, it must conform to the input allowed by the filter_input_array method. http://php.net/manual/en/filter.filters.sanitize.php

Saves a copy of the current state of one of several PHP globals, so we can retrieve them later.