is PathInfo mode unique to thinkphp?

pathinfoOf course not specific to a framework, pathinfo strictly speaking is a predefined variable provided by the HTTP server, in many frameworks there is an important component called the router, which can be implemented by using pathinfo .

Consider the following code:

# filename:./testpathinfo.php<? PHP Echo $_server [' Path_info '];

When I request the file directly (note the address bar):

pathinfoIf the value is not defined when the file is not given a parameter, then if I request this (note the Address bar):

Therefore, this feature rewrite can be implemented to remove the request files in the address.

In addition, PHP provides a pathinfo() function named to extract the information for the path:

Reference:
PHP Manual:pathinfo ()
PHP Manual: $_server

Ext.: https://segmentfault.com/q/1010000003979741

is PathInfo mode unique to thinkphp?