Common::getHeading() - Code Metrics - Inspection of "Add gzip compress support and fix" - Ysurac/FlightAirMap - Measure and Improve Code Quality continuously with Scrutinizer

Completed

Push — master ( 533a00...fe89d6 )

by Yannick

created 2017-01-26 13:05 UTC

Common::getHeading() A

↳ Parent: Common

Complexity

Conditions	3
Paths	3

Size

Total Lines	16
Code Lines	9

Duplication

Lines	0
Ratio	0 %

Importance

Changes

Metric	Value
cc	3
eloc	9
nc	3
nop	4
dl	0
loc	16
rs	9.4285
c	0
b	0
f	0

<?php
require_once(dirname(__FILE__).'/libs/simple_html_dom.php');
require_once(dirname(__FILE__).'/libs/uagent/uagent.php');

class Common {
	//protected $cookies = array();
	
	/**
	* Get data from form result
	* @param String $url form URL
	* @param String $type type of submit form method (get or post)
	* @param String|Array $data values form post method
	* @param Array $headers header to submit with the form
	* @return String the result
	*/
	public function getData($url, $type = 'get', $data = '', $headers = '',$cookie = '',$referer = '',$timeout = '',$useragent = '') {
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
		curl_setopt($ch, CURLINFO_HEADER_OUT, true); 
		curl_setopt($ch,CURLOPT_ENCODING , "gzip");
		//curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5');
//		curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (X11; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0');
		if ($useragent == '') {
			curl_setopt($ch, CURLOPT_USERAGENT, UAgent::random());
		} else {
			curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
		}
		if ($timeout == '') curl_setopt($ch, CURLOPT_TIMEOUT, 10); 
		else curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); 
		curl_setopt($ch, CURLOPT_HEADERFUNCTION, array('Common',"curlResponseHeaderCallback"));
		if ($type == 'post') {
			curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
			if (is_array($data)) {
				curl_setopt($ch, CURLOPT_POST, count($data));
				$data_string = '';
				foreach($data as $key=>$value) { $data_string .= $key.'='.$value.'&'; }
				rtrim($data_string, '&');
				curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
			} else {
				curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
			}
		}
		if ($headers != '') {
			curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
		}
		if ($cookie != '') {
			if (is_array($cookie)) {
				curl_setopt($ch, CURLOPT_COOKIE, implode($cookie,';'));
			} else {
				curl_setopt($ch, CURLOPT_COOKIE, $cookie);
			}
		}
		if ($referer != '') {
			curl_setopt($ch, CURLOPT_REFERER, $referer);
		}
		$result = curl_exec($ch);
		$info = curl_getinfo($ch);
		curl_close($ch);
		if ($info['http_code'] == '503' && strstr($result,'DDoS protection by CloudFlare')) {
			echo "Cloudflare Detected\n";
			require_once(dirname(__FILE__).'/libs/cloudflare-bypass/libraries/cloudflareClass.php');
			$useragent = UAgent::random();
			cloudflare::useUserAgent($useragent);
			if ($clearanceCookie = cloudflare::bypass($url)) {
				return $this->getData($url,'get',$data,$headers,$clearanceCookie,$referer,$timeout,$useragent);
			}
		} else {
		    return $result;
		}
	}
	
	private function curlResponseHeaderCallback($ch, $headerLine) {
		//global $cookies;
		$cookies = array();
		if (preg_match('/^Set-Cookie:\s*([^;]*)/mi', $headerLine, $cookie) == 1)
			$cookies[] = $cookie;
		return strlen($headerLine); // Needed by curl
	}

	public static function download($url, $file, $referer = '') {
		global $globalDebug;
		$fp = fopen($file, 'w');
		$ch = curl_init();
		curl_setopt($ch, CURLOPT_URL, $url);
		curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
		if ($referer != '') curl_setopt($ch, CURLOPT_REFERER, $referer);
		curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5');
		curl_setopt($ch, CURLOPT_FILE, $fp);
		curl_exec($ch);
		if (curl_errno($ch) && $globalDebug) echo 'Download error: '.curl_error($ch);
		curl_close($ch);
		fclose($fp);
	}
	
	/**
	* Convert a HTML table to an array
	* @param String $data HTML page
	* @return Array array of the tables in HTML page
	*/
	public function table2array($data) {
		if (!is_string($data)) return array();
		if ($data == '') return array();
		$html = str_get_html($data);
		if ($html === false) return array();
		$tabledata=array();
		foreach($html->find('tr') as $element)
		{
			$td = array();
			foreach( $element->find('th') as $row)
			{
				$td [] = trim($row->plaintext);
			}
			$td=array_filter($td);
			$tabledata[] = $td;

			$td = array();
			$tdi = array();
			foreach( $element->find('td') as $row)
			{
				$td [] = trim($row->plaintext);
				$tdi [] = trim($row->innertext);
			}
			$td=array_filter($td);
			$tdi=array_filter($tdi);
			$tabledata[]=array_merge($td,$tdi);
		}
		$html->clear();
		unset($html);
		return(array_filter($tabledata));
	}
	
	/**
	* Convert <p> part of a HTML page to an array
	* @param String $data HTML page
	* @return Array array of the <p> in HTML page
	*/
	public function text2array($data) {
		$html = str_get_html($data);
		if ($html === false) return array();
		$tabledata=array();
		foreach($html->find('p') as $element)
		{
			$tabledata [] = trim($element->plaintext);
		}
		$html->clear();
		unset($html);
		return(array_filter($tabledata));
	}

	/**
	* Give distance between 2 coordonnates
	* @param Float $lat latitude of first point
	* @param Float $lon longitude of first point
	* @param Float $latc latitude of second point
	* @param Float $lonc longitude of second point
	* @param String $unit km else no unit used
	* @return Float Distance in $unit
	*/
	public function distance($lat, $lon, $latc, $lonc, $unit = 'km') {
		if ($lat == $latc && $lon == $lonc) return 0;
		$dist = rad2deg(acos(sin(deg2rad(floatval($lat)))*sin(deg2rad(floatval($latc)))+ cos(deg2rad(floatval($lat)))*cos(deg2rad(floatval($latc)))*cos(deg2rad(floatval($lon)-floatval($lonc)))))*60*1.1515;
		if ($unit == "km") {
			return round($dist * 1.609344);
		} elseif ($unit == "m") {
			return round($dist * 1.609344 * 1000);
		} elseif ($unit == "mile" || $unit == "mi") {
			return round($dist);
		} elseif ($unit == "nm") {
			return round($dist*0.868976);
		} else {
			return round($dist);
		}
	}

	/**
	* Check is distance realistic
	* @param int $timeDifference the time between the reception of both messages
	* @param float $distance distance covered
	* @return whether distance is realistic
	*/
	public function withinThreshold ($timeDifference, $distance) {
		$x = abs($timeDifference);
		$d = abs($distance);
		if ($x == 0 || $d == 0) return true;
		// may be due to Internet jitter; distance is realistic
		if ($x < 0.7 && $d < 2000) return true;
		else return $d/$x < 1500*0.27778; // 1500 km/h max
	}


	// Check if an array is assoc
	public function isAssoc($array)
	{
		return ($array !== array_values($array));
	}

	public function isInteger($input){
	    return(ctype_digit(strval($input)));
	}


	public function convertDec($dms,$latlong) {
		if ($latlong == 'latitude') {
			$deg = substr($dms, 0, 2);
			$min = substr($dms, 2, 4);
		} else {
			$deg = substr($dms, 0, 3);
			$min = substr($dms, 3, 5);
		}
		return $deg+(($min*60)/3600);
	}
	
	/**
	* Copy folder contents
	* @param       string   $source    Source path
	* @param       string   $dest      Destination path
	* @return      bool     Returns true on success, false on failure
	*/
	public function xcopy($source, $dest)
	{
		$files = glob($source.'*.*');
		foreach($files as $file){
			$file_to_go = str_replace($source,$dest,$file);
			copy($file, $file_to_go);
		}
		return true;
	}
	
	/**
	* Check if an url exist
	* @param	String $url url to check
	* @return	bool Return true on succes false on failure
	*/
	public function urlexist($url){
		$headers=get_headers($url);
		return stripos($headers[0],"200 OK")?true:false;
	}
	
	/**
	* Convert hexa to string
	* @param	String $hex data in hexa
	* @return	String Return result
	*/
	public function hex2str($hex) {
		$str = '';
		$hexln = strlen($hex);
		for($i=0;$i<$hexln;$i+=2) $str .= chr(hexdec(substr($hex,$i,2)));
		return $str;
	}
	
	
	public function getHeading($lat1, $lon1, $lat2, $lon2) {
		//difference in longitudinal coordinates
		$dLon = deg2rad($lon2) - deg2rad($lon1);
		//difference in the phi of latitudinal coordinates
		$dPhi = log(tan(deg2rad($lat2) / 2 + pi() / 4) / tan(deg2rad($lat1) / 2 + pi() / 4));
		//we need to recalculate $dLon if it is greater than pi
		if(abs($dLon) > pi()) {
			if($dLon > 0) {
				$dLon = (2 * pi() - $dLon) * -1;
			} else {
				$dLon = 2 * pi() + $dLon;
			}
		}
		//return the angle, normalized
		return (rad2deg(atan2($dLon, $dPhi)) + 360) % 360;
	}
	
	public function checkLine($lat1,$lon1,$lat2,$lon2,$lat3,$lon3,$approx = 0.1) {
		//$a = ($lon2-$lon1)*$lat3+($lat2-$lat1)*$lon3+($lat1*$lon2+$lat2*$lon1);
		$a = -($lon2-$lon1);
		$b = $lat2 - $lat1;
		$c = -($a*$lat1+$b*$lon1);
		$d = $a*$lat3+$b*$lon3+$c;
		if ($d > -$approx && $d < $approx) return true;
		else return false;
	}
	
	public function array_merge_noappend() {
		$output = array();
		foreach(func_get_args() as $array) {
			foreach($array as $key => $value) {
				$output[$key] = isset($output[$key]) ?
				array_merge($output[$key], $value) : $value;
			}
		}
		return $output;
	}
	

	public function arr_diff($arraya, $arrayb) {
		foreach ($arraya as $keya => $valuea) {
			if (in_array($valuea, $arrayb)) {
				unset($arraya[$keya]);
			}
		}
		return $arraya;
	}
	
	/**
	* Returns list of available locales
	*
	* @return array
	 */
	public function listLocaleDir()
	{
		$result = array('en');
		if (!is_dir('./locale')) {
			return $result;
		}
		$handle = @opendir('./locale');
		if ($handle === false) return $result;
		while (false !== ($file = readdir($handle))) {
			$path = './locale'.'/'.$file.'/LC_MESSAGES/fam.mo';
			if ($file != "." && $file != ".." && @file_exists($path)) {
				$result[] = $file;
			}
		}
		closedir($handle);
		return $result;
	}

	public function nextcoord($latitude, $longitude, $speed, $heading, $archivespeed = 1){
		global $globalMapRefresh;
		$distance = ($speed*0.514444*$globalMapRefresh*$archivespeed)/1000;
		$r = 6378;
		$latitude = deg2rad($latitude);
		$longitude = deg2rad($longitude);
		$bearing = deg2rad($heading); 
		$latitude2 =  asin( (sin($latitude) * cos($distance/$r)) + (cos($latitude) * sin($distance/$r) * cos($bearing)) );
		$longitude2 = $longitude + atan2( sin($bearing)*sin($distance/$r)*cos($latitude), cos($distance/$r)-(sin($latitude)*sin($latitude2)) );
		return array('latitude' => number_format(rad2deg($latitude2),5,'.',''),'longitude' => number_format(rad2deg($longitude2),5,'.',''));
	}
	
	public function getCoordfromDistanceBearing($latitude,$longitude,$bearing,$distance) {
		// distance in meter
		$R = 6378.14;
		$latitude1 = $latitude * (M_PI/180);
		$longitude1 = $longitude * (M_PI/180);
		$brng = $bearing * (M_PI/180);
		$d = $distance;

		$latitude2 = asin(sin($latitude1)*cos($d/$R) + cos($latitude1)*sin($d/$R)*cos($brng));
		$longitude2 = $longitude1 + atan2(sin($brng)*sin($d/$R)*cos($latitude1),cos($d/$R)-sin($latitude1)*sin($latitude2));

		$latitude2 = $latitude2 * (180/M_PI);
		$longitude2 = $longitude2 * (180/M_PI);

		$flat = round ($latitude2,6);
		$flong = round ($longitude2,6);
/*
		$dx = $distance*cos($bearing);
		$dy = $distance*sin($bearing);
		$dlong = $dx/(111320*cos($latitude));
		$dlat = $dy/110540;
		$flong = $longitude + $dlong;
		$flat = $latitude + $dlat;
*/
		return array('latitude' => $flat,'longitude' => $flong);
	}

	/**
	 * GZIPs a file on disk (appending .gz to the name)
	 *
	 * From http://stackoverflow.com/questions/6073397/how-do-you-create-a-gz-file-using-php
	 * Based on function by Kioob at:
	 * http://www.php.net/manual/en/function.gzwrite.php#34955
	 * 
	 * @param string $source Path to file that should be compressed
	 * @param integer $level GZIP compression level (default: 9)
	 * @return string New filename (with .gz appended) if success, or false if operation fails
	 */
	function gzCompressFile($source, $level = 9){ 

		$dest = $source . '.gz'; 
		$mode = 'wb' . $level; 
		$error = false; 
		if ($fp_out = gzopen($dest, $mode)) { 
			if ($fp_in = fopen($source,'rb')) { 
				while (!feof($fp_in)) 
					gzwrite($fp_out, fread($fp_in, 1024 * 512)); 
				fclose($fp_in); 
			} else {
				$error = true; 
			}
			gzclose($fp_out); 
		} else {
			$error = true; 
		}
		if ($error)
			return false; 
		else
			return $dest; 
	} 
}
?>

1			<?php
2			require_once(dirname(__FILE__).'/libs/simple_html_dom.php');
3			require_once(dirname(__FILE__).'/libs/uagent/uagent.php');
4
5			class Common {
6			//protected $cookies = array();
7
8			/**
9			* Get data from form result
10			* @param String $url form URL
11			* @param String $type type of submit form method (get or post)
12			* @param String\|Array $data values form post method
13			* @param Array $headers header to submit with the form
14			* @return String the result
15			*/
16			public function getData($url, $type = 'get', $data = '', $headers = '',$cookie = '',$referer = '',$timeout = '',$useragent = '') {
17			$ch = curl_init();
18			curl_setopt($ch, CURLOPT_URL, $url);
19			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
20			curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
21			curl_setopt($ch, CURLINFO_HEADER_OUT, true);
22			curl_setopt($ch,CURLOPT_ENCODING , "gzip");
23			//curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5');
24			// curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (X11; Linux x86_64; rv:42.0) Gecko/20100101 Firefox/42.0');
25			if ($useragent == '') {
26			curl_setopt($ch, CURLOPT_USERAGENT, UAgent::random());
27			} else {
28			curl_setopt($ch, CURLOPT_USERAGENT, $useragent);
29			}
30			if ($timeout == '') curl_setopt($ch, CURLOPT_TIMEOUT, 10);
31			else curl_setopt($ch, CURLOPT_TIMEOUT, $timeout);
32			curl_setopt($ch, CURLOPT_HEADERFUNCTION, array('Common',"curlResponseHeaderCallback"));
33			if ($type == 'post') {
34			curl_setopt($ch, CURLOPT_CUSTOMREQUEST, "POST");
35			if (is_array($data)) {
36			curl_setopt($ch, CURLOPT_POST, count($data));
37			$data_string = '';
38			foreach($data as $key=>$value) { $data_string .= $key.'='.$value.'&'; }
39			rtrim($data_string, '&');
40			curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
41			} else {
42			curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
43			}
44			}
45			if ($headers != '') {
46			curl_setopt($ch, CURLOPT_HTTPHEADER, $headers);
47			}
48			if ($cookie != '') {
49			if (is_array($cookie)) {
50			curl_setopt($ch, CURLOPT_COOKIE, implode($cookie,';'));
51			} else {
52			curl_setopt($ch, CURLOPT_COOKIE, $cookie);
53			}
54			}
55			if ($referer != '') {
56			curl_setopt($ch, CURLOPT_REFERER, $referer);
57			}
58			$result = curl_exec($ch);
59			$info = curl_getinfo($ch);
60			curl_close($ch);
61			if ($info['http_code'] == '503' && strstr($result,'DDoS protection by CloudFlare')) {
62			echo "Cloudflare Detected\n";
63			require_once(dirname(__FILE__).'/libs/cloudflare-bypass/libraries/cloudflareClass.php');
64			$useragent = UAgent::random();
65			cloudflare::useUserAgent($useragent);
66			if ($clearanceCookie = cloudflare::bypass($url)) {
67			return $this->getData($url,'get',$data,$headers,$clearanceCookie,$referer,$timeout,$useragent);
68			}
69			} else {
70			return $result;
71			}
72			}
73
74			private function curlResponseHeaderCallback($ch, $headerLine) {
75			//global $cookies;
76			$cookies = array();
77			if (preg_match('/^Set-Cookie:\s([^;])/mi', $headerLine, $cookie) == 1)
78			$cookies[] = $cookie;
79			return strlen($headerLine); // Needed by curl
80			}
81
82			public static function download($url, $file, $referer = '') {
83			global $globalDebug;
84			$fp = fopen($file, 'w');
85			$ch = curl_init();
86			curl_setopt($ch, CURLOPT_URL, $url);
87			curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
88			curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
89			if ($referer != '') curl_setopt($ch, CURLOPT_REFERER, $referer);
90			curl_setopt($ch, CURLOPT_USERAGENT, 'Mozilla/5.0 (Windows; U; Windows NT 6.1; en-US; rv:1.9.1.2) Gecko/20090729 Firefox/3.5.2 GTB5');
91			curl_setopt($ch, CURLOPT_FILE, $fp);
92			curl_exec($ch);
93			if (curl_errno($ch) && $globalDebug) echo 'Download error: '.curl_error($ch);
94			curl_close($ch);
95			fclose($fp);
96			}
97
98			/**
99			* Convert a HTML table to an array
100			* @param String $data HTML page
101			* @return Array array of the tables in HTML page
102			*/
103			public function table2array($data) {
104			if (!is_string($data)) return array();
105			if ($data == '') return array();
106			$html = str_get_html($data);
107			if ($html === false) return array();
108			$tabledata=array();
109			foreach($html->find('tr') as $element)
110			{
111			$td = array();
112			foreach( $element->find('th') as $row)
113			{
114			$td [] = trim($row->plaintext);
115			}
116			$td=array_filter($td);
117			$tabledata[] = $td;
118
119			$td = array();
120			$tdi = array();
121			foreach( $element->find('td') as $row)
122			{
123			$td [] = trim($row->plaintext);
124			$tdi [] = trim($row->innertext);
125			}
126			$td=array_filter($td);
127			$tdi=array_filter($tdi);
128			$tabledata[]=array_merge($td,$tdi);
129			}
130			$html->clear();
131			unset($html);
132			return(array_filter($tabledata));
133			}
134
135			/**
136			* Convert <p> part of a HTML page to an array
137			* @param String $data HTML page
138			* @return Array array of the <p> in HTML page
139			*/
140			public function text2array($data) {
141			$html = str_get_html($data);
142			if ($html === false) return array();
143			$tabledata=array();
144			foreach($html->find('p') as $element)
145			{
146			$tabledata [] = trim($element->plaintext);
147			}
148			$html->clear();
149			unset($html);
150			return(array_filter($tabledata));
151			}
152
153			/**
154			* Give distance between 2 coordonnates
155			* @param Float $lat latitude of first point
156			* @param Float $lon longitude of first point
157			* @param Float $latc latitude of second point
158			* @param Float $lonc longitude of second point
159			* @param String $unit km else no unit used
160			* @return Float Distance in $unit
161			*/
162			public function distance($lat, $lon, $latc, $lonc, $unit = 'km') {
163			if ($lat == $latc && $lon == $lonc) return 0;
164			$dist = rad2deg(acos(sin(deg2rad(floatval($lat)))sin(deg2rad(floatval($latc)))+ cos(deg2rad(floatval($lat)))cos(deg2rad(floatval($latc)))cos(deg2rad(floatval($lon)-floatval($lonc)))))60*1.1515;
165			if ($unit == "km") {
166			return round($dist * 1.609344);
167			} elseif ($unit == "m") {
168			return round($dist * 1.609344 * 1000);
169			} elseif ($unit == "mile" \|\| $unit == "mi") {
170			return round($dist);
171			} elseif ($unit == "nm") {
172			return round($dist*0.868976);
173			} else {
174			return round($dist);
175			}
176			}
177
178			/**
179			* Check is distance realistic
180			* @param int $timeDifference the time between the reception of both messages
181			* @param float $distance distance covered
182			* @return whether distance is realistic
183			*/
184			public function withinThreshold ($timeDifference, $distance) {
185			$x = abs($timeDifference);
186			$d = abs($distance);
187			if ($x == 0 \|\| $d == 0) return true;
188			// may be due to Internet jitter; distance is realistic
189			if ($x < 0.7 && $d < 2000) return true;
190			else return $d/$x < 1500*0.27778; // 1500 km/h max
191			}
192
193
194			// Check if an array is assoc
195			public function isAssoc($array)
196			{
197			return ($array !== array_values($array));
198			}
199
200			public function isInteger($input){
201			return(ctype_digit(strval($input)));
202			}
203
204
205			public function convertDec($dms,$latlong) {
206			if ($latlong == 'latitude') {
207			$deg = substr($dms, 0, 2);
208			$min = substr($dms, 2, 4);
209			} else {
210			$deg = substr($dms, 0, 3);
211			$min = substr($dms, 3, 5);
212			}
213			return $deg+(($min*60)/3600);
214			}
215
216			/**
217			* Copy folder contents
218			* @param string $source Source path
219			* @param string $dest Destination path
220			* @return bool Returns true on success, false on failure
221			*/
222			public function xcopy($source, $dest)
223			{
224			$files = glob($source.'.');
225			foreach($files as $file){
226			$file_to_go = str_replace($source,$dest,$file);
227			copy($file, $file_to_go);
228			}
229			return true;
230			}
231
232			/**
233			* Check if an url exist
234			* @param String $url url to check
235			* @return bool Return true on succes false on failure
236			*/
237			public function urlexist($url){
238			$headers=get_headers($url);
239			return stripos($headers[0],"200 OK")?true:false;
240			}
241
242			/**
243			* Convert hexa to string
244			* @param String $hex data in hexa
245			* @return String Return result
246			*/
247			public function hex2str($hex) {
248			$str = '';
249			$hexln = strlen($hex);
250			for($i=0;$i<$hexln;$i+=2) $str .= chr(hexdec(substr($hex,$i,2)));
251			return $str;
252			}
253
254
255			public function getHeading($lat1, $lon1, $lat2, $lon2) {
256			//difference in longitudinal coordinates
257			$dLon = deg2rad($lon2) - deg2rad($lon1);
258			//difference in the phi of latitudinal coordinates
259			$dPhi = log(tan(deg2rad($lat2) / 2 + pi() / 4) / tan(deg2rad($lat1) / 2 + pi() / 4));
260			//we need to recalculate $dLon if it is greater than pi
261			if(abs($dLon) > pi()) {
262			if($dLon > 0) {
263			$dLon = (2 * pi() - $dLon) * -1;
264			} else {
265			$dLon = 2 * pi() + $dLon;
266			}
267			}
268			//return the angle, normalized
269			return (rad2deg(atan2($dLon, $dPhi)) + 360) % 360;
270			}
271
272			public function checkLine($lat1,$lon1,$lat2,$lon2,$lat3,$lon3,$approx = 0.1) {
273			//$a = ($lon2-$lon1)$lat3+($lat2-$lat1)$lon3+($lat1$lon2+$lat2$lon1);
274			$a = -($lon2-$lon1);
275			$b = $lat2 - $lat1;
276			$c = -($a$lat1+$b$lon1);
277			$d = $a$lat3+$b$lon3+$c;
278			if ($d > -$approx && $d < $approx) return true;
279			else return false;
280			}
281
282			public function array_merge_noappend() {
283			$output = array();
284			foreach(func_get_args() as $array) {
285			foreach($array as $key => $value) {
286			$output[$key] = isset($output[$key]) ?
287			array_merge($output[$key], $value) : $value;
288			}
289			}
290			return $output;
291			}
292
293
294			public function arr_diff($arraya, $arrayb) {
295			foreach ($arraya as $keya => $valuea) {
296			if (in_array($valuea, $arrayb)) {
297			unset($arraya[$keya]);
298			}
299			}
300			return $arraya;
301			}
302
303			/**
304			* Returns list of available locales
305			*
306			* @return array
307			*/
308			public function listLocaleDir()
309			{
310			$result = array('en');
311			if (!is_dir('./locale')) {
312			return $result;
313			}
314			$handle = @opendir('./locale');
315			if ($handle === false) return $result;
316			while (false !== ($file = readdir($handle))) {
317			$path = './locale'.'/'.$file.'/LC_MESSAGES/fam.mo';
318			if ($file != "." && $file != ".." && @file_exists($path)) {
319			$result[] = $file;
320			}
321			}
322			closedir($handle);
323			return $result;
324			}
325
326			public function nextcoord($latitude, $longitude, $speed, $heading, $archivespeed = 1){
327			global $globalMapRefresh;
328			$distance = ($speed0.514444$globalMapRefresh*$archivespeed)/1000;
329			$r = 6378;
330			$latitude = deg2rad($latitude);
331			$longitude = deg2rad($longitude);
332			$bearing = deg2rad($heading);
333			$latitude2 = asin( (sin($latitude) * cos($distance/$r)) + (cos($latitude) * sin($distance/$r) * cos($bearing)) );
334			$longitude2 = $longitude + atan2( sin($bearing)sin($distance/$r)cos($latitude), cos($distance/$r)-(sin($latitude)*sin($latitude2)) );
335			return array('latitude' => number_format(rad2deg($latitude2),5,'.',''),'longitude' => number_format(rad2deg($longitude2),5,'.',''));
336			}
337
338			public function getCoordfromDistanceBearing($latitude,$longitude,$bearing,$distance) {
339			// distance in meter
340			$R = 6378.14;
341			$latitude1 = $latitude * (M_PI/180);
342			$longitude1 = $longitude * (M_PI/180);
343			$brng = $bearing * (M_PI/180);
344			$d = $distance;
345
346			$latitude2 = asin(sin($latitude1)cos($d/$R) + cos($latitude1)sin($d/$R)*cos($brng));
347			$longitude2 = $longitude1 + atan2(sin($brng)sin($d/$R)cos($latitude1),cos($d/$R)-sin($latitude1)*sin($latitude2));
348
349			$latitude2 = $latitude2 * (180/M_PI);
350			$longitude2 = $longitude2 * (180/M_PI);
351
352			$flat = round ($latitude2,6);
353			$flong = round ($longitude2,6);
354			/*
355			$dx = $distance*cos($bearing);
356			$dy = $distance*sin($bearing);
357			$dlong = $dx/(111320*cos($latitude));
358			$dlat = $dy/110540;
359			$flong = $longitude + $dlong;
360			$flat = $latitude + $dlat;
361			*/
362			return array('latitude' => $flat,'longitude' => $flong);
363			}
364
365			/**
366			* GZIPs a file on disk (appending .gz to the name)
367			*
368			* From http://stackoverflow.com/questions/6073397/how-do-you-create-a-gz-file-using-php
369			* Based on function by Kioob at:
370			* http://www.php.net/manual/en/function.gzwrite.php#34955
371			*
372			* @param string $source Path to file that should be compressed
373			* @param integer $level GZIP compression level (default: 9)
374			* @return string New filename (with .gz appended) if success, or false if operation fails
375			*/
376			function gzCompressFile($source, $level = 9){
			0 ignored issues – show Best Practice introduced 2017-01-26 13:11 UTC by Report Bug Copy Issue Report It is generally recommended to explicitly declare the visibility for methods. Adding explicit visibility (`private`, `protected`, or `public`) is generally recommend to communicate to other developers how, and from where this method is intended to be used. Loading history...
377			$dest = $source . '.gz';
378			$mode = 'wb' . $level;
379			$error = false;
380			if ($fp_out = gzopen($dest, $mode)) {
381			if ($fp_in = fopen($source,'rb')) {
382			while (!feof($fp_in))
383			gzwrite($fp_out, fread($fp_in, 1024 * 512));
384			fclose($fp_in);
385			} else {
386			$error = true;
387			}
388			gzclose($fp_out);
389			} else {
390			$error = true;
391			}
392			if ($error)
393			return false;
394			else
395			return $dest;
396			}
397			}
398			?>

Ysurac / FlightAirMap

Push — master ( 533a00...fe89d6 )

Common::getHeading() A

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