Haversine formula in PHP

PHP implementation of Haversine formula

Main functionality

user can type address (ex. Толстопальцево 28 or 28 Толстопальцево or 28 Толстопальцево str...)
system recognizes this address and brings similar addresses to client for choosing the correct one (ex. if search string is Толстопальцево 2, system suggest to user 2 variants: 1. Толстопальцево 28, 2. Толстопальцево 2), then , after selecting correct one, system brings the table with DISTANCES (in KM) from client's address to all other addresses divided in 3 groups.

below you can find example

Name		Name	Last commit message	Last commit date
Latest commit History 4 Commits
classes		classes
css		css
js		js
LICENSE		LICENSE
README.md		README.md
address_only_structure.sql		address_only_structure.sql
address_with_data.sql		address_with_data.sql
config.php		config.php
fetch.php		fetch.php
helper.php		helper.php
index.php		index.php
measure.php		measure.php
parser.php		parser.php
upload.php		upload.php