basename(__FILE__,.php)=test-file-dir
 PHP_ROOT=/var/www/vhosts/k8090.web178.dogado.net/httpdocs/cilie-org
 PHP_PFAD=/esa/prakt-2018/php-2018
 PHP_DIR=/var/www/vhosts/k8090.web178.dogado.net/httpdocs/cilie-org/esa/prakt-2018/php-2018
 PHP_FILENAME_OHNE_EXT=test-file-dir
 www_hostname()=https://www.cilie.org
 www_pfad()=/esa/prakt-2018/php-2018
 www_dir()=https://www.cilie.org/esa/prakt-2018/php-2018
 www_url()=https://www.cilie.org/esa/prakt-2018/php-2018/test-file-dir.php
 https://www.cilie.org/esa/prakt-2018/php-2018
 file_action.php                8063  2019.06.19  02:10  0644
 php-beispiel.php               1744  2019.06.19  02:10  0644
 test-ajax.htm                  3739  2018.05.14  11:34  0644
 test-ajax.php                   842  2019.06.19  02:10  0644
 test-file-dir.php             20035  2019.06.19  02:10  0644