~ php get current directory or filename ~

目標:

/var/www/connie/test.php

output = "/var/www/connie/test.php"

echo __FILE__;

output = "test.php"

echo basename(__FILE__);

output = "test"

echo basename(__FILE__, '.php');

output = "/var/www/connie"

echo dirname(__FILE__);

output = "/var/www/" (parent folder)

echo dirname(dirname(__FILE__));