__DIR__: /home/unaltacomtr/public_html/admin
Check file exists:
/home/unaltacomtr/public_html/admin/../../config/db.php => NO
/home/unaltacomtr/public_html/admin/../config/db.php => OK
/home/unaltacomtr/public_html/admin/../../client/config/db.php => NO
/home/unaltacomtr/public_html/admin/../client/config/db.php => NO
/home/unaltacomtr/public_html/admin/../../config/db.php => NO
/home/unaltacomtr/public_html/admin/../config.php => NO