Ysurac / FlightAirMap

require/class.Common.php

Spacing +92 added lines, -92 removed lines

@@ -14,12 +14,12 @@ 
 	* @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 = '', $sizelimit = false, $async = false) {
+	public function getData($url, $type = 'get', $data = '', $headers = '', $cookie = '', $referer = '', $timeout = '', $useragent = '', $sizelimit = false, $async = false) {
 		global $globalProxy, $globalForceIPv4;
 		$ch = curl_init();
 		curl_setopt($ch, CURLOPT_URL, $url);
 		if (isset($globalForceIPv4) && $globalForceIPv4) {
-			if (defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')){
+			if (defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')) {
 				curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
 			}
 		}
@@ -29,7 +29,7 @@ 
 		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($ch, CURLOPT_ENCODING, "gzip");
 		//curl_setopt($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 == '') {
@@ -39,13 +39,13 @@ 
 		}
 		if ($timeout == '') curl_setopt($ch, CURLOPT_TIMEOUT, 10); 
 		else curl_setopt($ch, CURLOPT_TIMEOUT, $timeout); 
-		curl_setopt($ch, CURLOPT_HEADERFUNCTION, array('Common',"curlResponseHeaderCallback"));
+		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.'&'; }
+				foreach ($data as $key=>$value) { $data_string .= $key.'='.$value.'&'; }
 				rtrim($data_string, '&');
 				curl_setopt($ch, CURLOPT_POSTFIELDS, $data_string);
 			} else {
@@ -57,7 +57,7 @@ 
 		}
 		if ($cookie != '') {
 			if (is_array($cookie)) {
-				curl_setopt($ch, CURLOPT_COOKIE, implode($cookie,';'));
+				curl_setopt($ch, CURLOPT_COOKIE, implode($cookie, ';'));
 			} else {
 				curl_setopt($ch, CURLOPT_COOKIE, $cookie);
 			}
@@ -68,7 +68,7 @@ 
 		if ($sizelimit === true) {
 			curl_setopt($ch, CURLOPT_BUFFERSIZE, 128);
 			curl_setopt($ch, CURLOPT_NOPROGRESS, false);
-			curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, function($curlr,$downloadsize, $downloaded, $uploadsize, $uploaded){
+			curl_setopt($ch, CURLOPT_PROGRESSFUNCTION, function($curlr, $downloadsize, $downloaded, $uploadsize, $uploaded) {
 				return ($downloaded > (3*1024)) ? 1 : 0;
 			});
 		}
@@ -79,13 +79,13 @@ 
 		$result = curl_exec($ch);
 		$info = curl_getinfo($ch);
 		curl_close($ch);
-		if ($info['http_code'] == '503' && strstr($result,'DDoS protection by CloudFlare')) {
+		if ($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);
+				return $this->getData($url, 'get', $data, $headers, $clearanceCookie, $referer, $timeout, $useragent);
 			}
 		} else {
 			return $result;
@@ -109,7 +109,7 @@ 
 		curl_setopt($ch, CURLOPT_FOLLOWLOCATION, true);
 		if ($referer != '') curl_setopt($ch, CURLOPT_REFERER, $referer);
 		if (isset($globalForceIPv4) && $globalForceIPv4) {
-			if (defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')){
+			if (defined('CURLOPT_IPRESOLVE') && defined('CURL_IPRESOLVE_V4')) {
 				curl_setopt($ch, CURLOPT_IPRESOLVE, CURL_IPRESOLVE_V4);
 			}
 		}
@@ -124,20 +124,20 @@ 
 		fclose($fp);
 	}
 
-	public static function gunzip($in_file,$out_file_name = '') {
+	public static function gunzip($in_file, $out_file_name = '') {
 		//echo $in_file.' -> '.$out_file_name."\n";
 		$buffer_size = 4096; // read 4kb at a time
 		if ($out_file_name == '') $out_file_name = str_replace('.gz', '', $in_file); 
 		if ($in_file != '' && file_exists($in_file)) {
 			// PHP version of Ubuntu use gzopen64 instead of gzopen
-			if (function_exists('gzopen')) $file = gzopen($in_file,'rb');
-			elseif (function_exists('gzopen64')) $file = gzopen64($in_file,'rb');
+			if (function_exists('gzopen')) $file = gzopen($in_file, 'rb');
+			elseif (function_exists('gzopen64')) $file = gzopen64($in_file, 'rb');
 			else {
 				echo 'gzopen not available';
 				die;
 			}
 			$out_file = fopen($out_file_name, 'wb'); 
-			while(!gzeof($file)) {
+			while (!gzeof($file)) {
 				fwrite($out_file, gzread($file, $buffer_size));
 			}  
 			fclose($out_file);
@@ -145,19 +145,19 @@ 
 		}
 	}
 
-	public static function bunzip2($in_file,$out_file_name = '') {
+	public static function bunzip2($in_file, $out_file_name = '') {
 		//echo $in_file.' -> '.$out_file_name."\n";
 		$buffer_size = 4096; // read 4kb at a time
 		if ($out_file_name == '') $out_file_name = str_replace('.bz2', '', $in_file); 
 		if ($in_file != '' && file_exists($in_file)) {
 			// PHP version of Ubuntu use gzopen64 instead of gzopen
-			if (function_exists('bzopen')) $file = bzopen($in_file,'rb');
+			if (function_exists('bzopen')) $file = bzopen($in_file, 'rb');
 			else {
 				echo 'bzopen not available';
 				die;
 			}
 			$out_file = fopen($out_file_name, 'wb'); 
-			while(!feof($file)) {
+			while (!feof($file)) {
 				fwrite($out_file, bzread($file, $buffer_size));
 			}  
 			fclose($out_file);
@@ -175,27 +175,27 @@ 
 		if ($data == '') return array();
 		$html = str_get_html($data);
 		if ($html === false) return array();
-		$tabledata=array();
-		foreach($html->find('tr') as $element)
+		$tabledata = array();
+		foreach ($html->find('tr') as $element)
 		{
 			$td = array();
-			foreach( $element->find('th') as $row)
+			foreach ($element->find('th') as $row)
 			{
 				$td [] = trim($row->plaintext);
 			}
-			$td=array_filter($td);
+			$td = array_filter($td);
 			$tabledata[] = $td;
 
 			$td = array();
 			$tdi = array();
-			foreach( $element->find('td') as $row)
+			foreach ($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);
+			$td = array_filter($td);
+			$tdi = array_filter($tdi);
+			$tabledata[] = array_merge($td, $tdi);
 		}
 		$html->clear();
 		unset($html);
@@ -210,8 +210,8 @@ 
 	public function text2array($data) {
 		$html = str_get_html($data);
 		if ($html === false) return array();
-		$tabledata=array();
-		foreach($html->find('p') as $element)
+		$tabledata = array();
+		foreach ($html->find('p') as $element)
 		{
 			$tabledata [] = trim($element->plaintext);
 		}
@@ -231,11 +231,11 @@ 
 	*/
 	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;
+		$dist = rad2deg(acos(sin(deg2rad(floatval($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($dist * 1.609344);
+			return round($dist*1.609344);
 		} elseif ($unit == "m") {
-			return round($dist * 1.609344 * 1000);
+			return round($dist*1.609344*1000);
 		} elseif ($unit == "mile" || $unit == "mi") {
 			return round($dist);
 		} elseif ($unit == "nm") {
@@ -252,8 +252,8 @@ 
 	* @param String $distance distance between two points in m
 	* @return Float plunge
 	*/
-	public function plunge($initial_altitude,$final_altitude,$distance) {
-		$plunge = rad2deg(asin(($final_altitude-$initial_altitude)/$distance));
+	public function plunge($initial_altitude, $final_altitude, $distance) {
+		$plunge = rad2deg(asin(($final_altitude - $initial_altitude)/$distance));
 		return $plunge;
 	}
 
@@ -268,8 +268,8 @@ 
 	public function azimuth($lat, $lon, $latc, $lonc) {
 		$dX = $latc - $lat;
 		$dY = $lonc - $lon;
-		$azimuth = rad2deg(atan2($dY,$dX));
-		if ($azimuth < 0) return $azimuth+360;
+		$azimuth = rad2deg(atan2($dY, $dX));
+		if ($azimuth < 0) return $azimuth + 360;
 		return $azimuth;
 	}
 	
@@ -280,7 +280,7 @@ 
 	* @param float $distance distance covered
 	* @return whether distance is realistic
 	*/
-	public function withinThreshold ($timeDifference, $distance) {
+	public function withinThreshold($timeDifference, $distance) {
 		$x = abs($timeDifference);
 		$d = abs($distance);
 		if ($x == 0 || $d == 0) return true;
@@ -296,12 +296,12 @@ 
 		return ($array !== array_values($array));
 	}
 
-	public function isInteger($input){
+	public function isInteger($input) {
 	    return(ctype_digit(strval($input)));
 	}
 
 
-	public function convertDec($dms,$latlong) {
+	public function convertDec($dms, $latlong) {
 		if ($latlong == 'latitude') {
 			$deg = substr($dms, 0, 2);
 			$min = substr($dms, 2, 4);
@@ -309,10 +309,10 @@ 
 			$deg = substr($dms, 0, 3);
 			$min = substr($dms, 3, 5);
 		}
-		return $deg+(($min*60)/3600);
+		return $deg + (($min*60)/3600);
 	}
 	
-	public function convertDM($coord,$latlong) {
+	public function convertDM($coord, $latlong) {
 		if ($latlong == 'latitude') {
 			if ($coord < 0) $NSEW = 'S';
 			else $NSEW = 'N';
@@ -322,9 +322,9 @@ 
 		}
 		$coord = abs($coord);
 		$deg = floor($coord);
-		$coord = ($coord-$deg)*60;
+		$coord = ($coord - $deg)*60;
 		$min = $coord;
-		return array('deg' => $deg,'min' => $min,'NSEW' => $NSEW);
+		return array('deg' => $deg, 'min' => $min, 'NSEW' => $NSEW);
 	}
 	
 	/**
@@ -336,8 +336,8 @@ 
 	public function xcopy($source, $dest)
 	{
 		$files = glob($source.'*.*');
-		foreach($files as $file){
-			$file_to_go = str_replace($source,$dest,$file);
+		foreach ($files as $file) {
+			$file_to_go = str_replace($source, $dest, $file);
 			copy($file, $file_to_go);
 		}
 		return true;
@@ -348,9 +348,9 @@ 
 	* @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($headers[0],"200 OK")?true:false;
+	public function urlexist($url) {
+		$headers = get_headers($url);
+		return stripos($headers[0], "200 OK") ?true:false;
 	}
 	
 	/**
@@ -361,7 +361,7 @@ 
 	public function hex2str($hex) {
 		$str = '';
 		$hexln = strlen($hex);
-		for($i=0;$i<$hexln;$i+=2) $str .= chr(hexdec(substr($hex,$i,2)));
+		for ($i = 0; $i < $hexln; $i += 2) $str .= chr(hexdec(substr($hex, $i, 2)));
 		return $str;
 	}
 	
@@ -371,7 +371,7 @@ 
 	* @return	String Return result
 	*/
 	public function hex2rgb($hex) {
-		$hex = str_replace('#','',$hex);
+		$hex = str_replace('#', '', $hex);
 		return sscanf($hex, "%02x%02x%02x"); 
 	}
 	
@@ -379,33 +379,33 @@ 
 		//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));
+		$dPhi = log(tan(deg2rad($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() - $dLon) * -1;
+		if (abs($dLon) > pi()) {
+			if ($dLon > 0) {
+				$dLon = (2*pi() - $dLon)*-1;
 			} else {
-				$dLon = 2 * pi() + $dLon;
+				$dLon = 2*pi() + $dLon;
 			}
 		}
 		//return the angle, normalized
-		return (rad2deg(atan2($dLon, $dPhi)) + 360) % 360;
+		return (rad2deg(atan2($dLon, $dPhi)) + 360)%360;
 	}
 
-	public function checkLine($lat1,$lon1,$lat2,$lon2,$lat3,$lon3,$approx = 0.15) {
+	public function checkLine($lat1, $lon1, $lat2, $lon2, $lat3, $lon3, $approx = 0.15) {
 		//$a = ($lon2-$lon1)*$lat3+($lat2-$lat1)*$lon3+($lat1*$lon2+$lat2*$lon1);
-		$a = -($lon2-$lon1);
+		$a = -($lon2 - $lon1);
 		$b = $lat2 - $lat1;
-		$c = -($a*$lat1+$b*$lon1);
-		$d = $a*$lat3+$b*$lon3+$c;
+		$c = -($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) {
+		foreach (func_get_args() as $array) {
+			foreach ($array as $key => $value) {
 				$output[$key] = isset($output[$key]) ?
 				array_merge($output[$key], $value) : $value;
 			}
@@ -469,7 +469,7 @@ 
 		return $result;
 	}
 
-	public function nextcoord($latitude, $longitude, $speed, $heading, $archivespeed = 1, $seconds = ''){
+	public function nextcoord($latitude, $longitude, $speed, $heading, $archivespeed = 1, $seconds = '') {
 		global $globalMapRefresh;
 		if ($seconds == '') {
 			$distance = ($speed*0.514444*$globalMapRefresh*$archivespeed)/1000;
@@ -480,27 +480,27 @@ 
 		$latitude = deg2rad($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,'.',''));
+		$latitude2 = asin((sin($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) {
+	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);
+		$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));
+		$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);
+		$latitude2 = $latitude2*(180/M_PI);
+		$longitude2 = $longitude2*(180/M_PI);
 
-		$flat = round ($latitude2,6);
-		$flong = round ($longitude2,6);
+		$flat = round($latitude2, 6);
+		$flong = round($longitude2, 6);
 /*
 		$dx = $distance*cos($bearing);
 		$dy = $distance*sin($bearing);
@@ -509,7 +509,7 @@ 
 		$flong = $longitude + $dlong;
 		$flat = $latitude + $dlat;
 */
-		return array('latitude' => $flat,'longitude' => $flong);
+		return array('latitude' => $flat, 'longitude' => $flong);
 	}
 
 	/**
@@ -523,14 +523,14 @@ 
 	 * @param integer $level GZIP compression level (default: 9)
 	 * @return string New filename (with .gz appended) if success, or false if operation fails
 	 */
-	public function gzCompressFile($source, $level = 9){ 
-		$dest = $source . '.gz'; 
-		$mode = 'wb' . $level; 
+	public function gzCompressFile($source, $level = 9) { 
+		$dest = $source.'.gz'; 
+		$mode = 'wb'.$level; 
 		$error = false; 
 		if ($fp_out = gzopen($dest, $mode)) { 
-			if ($fp_in = fopen($source,'rb')) { 
+			if ($fp_in = fopen($source, 'rb')) { 
 				while (!feof($fp_in)) 
-					gzwrite($fp_out, fread($fp_in, 1024 * 512)); 
+					gzwrite($fp_out, fread($fp_in, 1024*512)); 
 				fclose($fp_in); 
 			} else {
 				$error = true; 
@@ -546,7 +546,7 @@ 
 	} 
 	
 	public function remove_accents($string) {
-		if ( !preg_match('/[\x80-\xff]/', $string) ) return $string;
+		if (!preg_match('/[\x80-\xff]/', $string)) return $string;
 		$chars = array(
 		    // Decompositions for Latin-1 Supplement
 		    chr(195).chr(128) => 'A', chr(195).chr(129) => 'A',
@@ -603,7 +603,7 @@ 
 		    chr(196).chr(172) => 'I', chr(196).chr(173) => 'i',
 		    chr(196).chr(174) => 'I', chr(196).chr(175) => 'i',
 		    chr(196).chr(176) => 'I', chr(196).chr(177) => 'i',
-		    chr(196).chr(178) => 'IJ',chr(196).chr(179) => 'ij',
+		    chr(196).chr(178) => 'IJ', chr(196).chr(179) => 'ij',
 		    chr(196).chr(180) => 'J', chr(196).chr(181) => 'j',
 		    chr(196).chr(182) => 'K', chr(196).chr(183) => 'k',
 		    chr(196).chr(184) => 'k', chr(196).chr(185) => 'L',
@@ -619,13 +619,13 @@ 
 		    chr(197).chr(140) => 'O', chr(197).chr(141) => 'o',
 		    chr(197).chr(142) => 'O', chr(197).chr(143) => 'o',
 		    chr(197).chr(144) => 'O', chr(197).chr(145) => 'o',
-		    chr(197).chr(146) => 'OE',chr(197).chr(147) => 'oe',
-		    chr(197).chr(148) => 'R',chr(197).chr(149) => 'r',
-		    chr(197).chr(150) => 'R',chr(197).chr(151) => 'r',
-		    chr(197).chr(152) => 'R',chr(197).chr(153) => 'r',
-		    chr(197).chr(154) => 'S',chr(197).chr(155) => 's',
-		    chr(197).chr(156) => 'S',chr(197).chr(157) => 's',
-		    chr(197).chr(158) => 'S',chr(197).chr(159) => 's',
+		    chr(197).chr(146) => 'OE', chr(197).chr(147) => 'oe',
+		    chr(197).chr(148) => 'R', chr(197).chr(149) => 'r',
+		    chr(197).chr(150) => 'R', chr(197).chr(151) => 'r',
+		    chr(197).chr(152) => 'R', chr(197).chr(153) => 'r',
+		    chr(197).chr(154) => 'S', chr(197).chr(155) => 's',
+		    chr(197).chr(156) => 'S', chr(197).chr(157) => 's',
+		    chr(197).chr(158) => 'S', chr(197).chr(159) => 's',
 		    chr(197).chr(160) => 'S', chr(197).chr(161) => 's',
 		    chr(197).chr(162) => 'T', chr(197).chr(163) => 't',
 		    chr(197).chr(164) => 'T', chr(197).chr(165) => 't',
@@ -659,7 +659,7 @@ 
 		for ($i = 0, $int = '', $concat_flag = true; $i < $length; $i++) {
 			if (is_numeric($string[$i]) && $concat_flag) {
 				$int .= $string[$i];
-			} elseif(!$concat && $concat_flag && strlen($int) > 0) {
+			} elseif (!$concat && $concat_flag && strlen($int) > 0) {
 				$concat_flag = false;
 			}
 		}
@@ -705,7 +705,7 @@ 
 			$slice = array_slice($arr, $offset + 1, $length);
 			return implode("", $slice);
 		} else {
-			return mb_substr($string,$offset,$length,'UTF-8');
+			return mb_substr($string, $offset, $length, 'UTF-8');
 		}
 	}
 
@@ -715,14 +715,14 @@ 
 		//NOTE: use a trailing slash for folders!!!
 		//see http://bugs.php.net/bug.php?id=27609
 		//see http://bugs.php.net/bug.php?id=30931
-		if ($path{strlen($path)-1}=='/') // recursively return a temporary file path
+		if ($path{strlen($path) - 1} == '/') // recursively return a temporary file path
 			return $this->is__writable($path.uniqid(mt_rand()).'.tmp');
 		else if (is_dir($path))
 			return $this->is__writable($path.'/'.uniqid(mt_rand()).'.tmp');
 		// check tmp file for read/write capabilities
 		$rm = file_exists($path);
 		$f = @fopen($path, 'a');
-		if ($f===false)
+		if ($f === false)
 			return false;
 		fclose($f);
 		if (!$rm)