From cfe15807afb61f65b26e14a412aebefb227ca9f6 Mon Sep 17 00:00:00 2001
From: Dennis Eichhorn <spl1nes.com@googlemail.com>
Date: Thu, 21 Jul 2016 14:41:38 +0200
Subject: [PATCH] Algorithm for generating the ip/country table

---
 ipGeoLocationBuilder.php | 19 +++++++++++++++++++
 1 file changed, 19 insertions(+)
 create mode 100644 ipGeoLocationBuilder.php

diff --git a/ipGeoLocationBuilder.php b/ipGeoLocationBuilder.php
new file mode 100644
index 0000000..2ac09c4
--- /dev/null
+++ b/ipGeoLocationBuilder.php
@@ -0,0 +1,19 @@
+<?php
+ini_set('display_errors', 1);
+ini_set('display_startup_errors', 1);
+error_reporting(E_ALL);
+
+$fh = fopen('GeoIPCountryWhois.csv', 'r');
+$fo = fopen('output.csv', 'w');
+
+function ip2int(string $ip) : float {
+	$split = explode('.', $ip);
+	return $split[0] * (256 ** 3) + $split[1] * (256 ** 2) + $split[2] * (256 ** 1) + $split[3]; 
+}
+
+while (($data = fgetcsv($fh, 150, ",")) !== FALSE) {
+	fputcsv($fo, [ip2int($data[0]), ip2int($data[1]), $data[4]]);
+}
+
+fclose($fo);
+fclose($fh);
\ No newline at end of file