Completed
Push — master ( 9f9db9...be2090 )
by Yannick
32:30
created
require/class.AIS.php 1 patch
Spacing   +129 added lines, -129 removed lines patch added patch discarded remove patch
@@ -117,31 +117,31 @@  discard block
 block discarded – undo
117 117
 
118 118
 	private function make_latf($temp) { // unsigned long 
119 119
 		$flat = 0.0; // float
120
-		$temp = $temp & 0x07FFFFFF;
121
-		if ($temp & 0x04000000) {
122
-			$temp = $temp ^ 0x07FFFFFF;
120
+		$temp = $temp&0x07FFFFFF;
121
+		if ($temp&0x04000000) {
122
+			$temp = $temp^0x07FFFFFF;
123 123
 			$temp += 1;
124
-			$flat = (float)($temp / (60.0 * 10000.0));
124
+			$flat = (float) ($temp/(60.0*10000.0));
125 125
 			$flat *= -1.0;
126
-		} else $flat = (float)($temp / (60.0 * 10000.0));
126
+		} else $flat = (float) ($temp/(60.0*10000.0));
127 127
 		return $flat; // float
128 128
 	}
129 129
 
130 130
 	private function make_lonf($temp) { // unsigned long
131 131
 		$flon = 0.0; // float
132
-		$temp = $temp & 0x0FFFFFFF;
133
-		if ($temp & 0x08000000) {
134
-			$temp = $temp ^ 0x0FFFFFFF;
132
+		$temp = $temp&0x0FFFFFFF;
133
+		if ($temp&0x08000000) {
134
+			$temp = $temp^0x0FFFFFFF;
135 135
 			$temp += 1;
136
-			$flon = (float)($temp / (60.0 * 10000.0));
136
+			$flon = (float) ($temp/(60.0*10000.0));
137 137
 			$flon *= -1.0;
138
-		} else $flon = (float)($temp / (60.0 * 10000.0));
138
+		} else $flon = (float) ($temp/(60.0*10000.0));
139 139
 		return $flon;
140 140
 	}
141 141
 
142 142
 	private function ascii_2_dec($chr) {
143
-		$dec=ord($chr);//get decimal ascii code
144
-		$hex=dechex($dec);//convert decimal to hex
143
+		$dec = ord($chr); //get decimal ascii code
144
+		$hex = dechex($dec); //convert decimal to hex
145 145
 		return ($dec);
146 146
 	}
147 147
 	
@@ -160,15 +160,15 @@  discard block
 block discarded – undo
160 160
 		//only process in the following range: 48-87, 96-119
161 161
 		if ($ascii < 48) { }
162 162
 		else {
163
-			if($ascii>119) { }
163
+			if ($ascii > 119) { }
164 164
 			else {
165
-				if ($ascii>87 && $ascii<96) ;
165
+				if ($ascii > 87 && $ascii < 96);
166 166
 				else {
167
-					$ascii=$ascii+40;
168
-					if ($ascii>128){
169
-						$ascii=$ascii+32;
167
+					$ascii = $ascii + 40;
168
+					if ($ascii > 128) {
169
+						$ascii = $ascii + 32;
170 170
 					} else {
171
-						$ascii=$ascii+40;
171
+						$ascii = $ascii + 40;
172 172
 					}
173 173
 				}
174 174
 			}
@@ -177,7 +177,7 @@  discard block
 block discarded – undo
177 177
 	}
178 178
 
179 179
 	private function dec_2_6bit($dec) {
180
-		$bin=decbin($dec);
180
+		$bin = decbin($dec);
181 181
 		return(substr($bin, -6)); 
182 182
 	}
183 183
 
@@ -195,11 +195,11 @@  discard block
 block discarded – undo
195 195
 		);
196 196
 		// "
197 197
 		$rv = '';
198
-		if ($_size % 6 == 0) {
199
-			$len = $_size / 6;
200
-			for ($i=0; $i<$len; $i++) {
201
-				$offset = $i * 6;
202
-				$rv .= $ais_chars[ bindec(substr($_str,$_start + $offset,6)) ];
198
+		if ($_size%6 == 0) {
199
+			$len = $_size/6;
200
+			for ($i = 0; $i < $len; $i++) {
201
+				$offset = $i*6;
202
+				$rv .= $ais_chars[bindec(substr($_str, $_start + $offset, 6))];
203 203
 			}
204 204
 		}
205 205
 		return $rv;
@@ -226,93 +226,93 @@  discard block
 block discarded – undo
226 226
 		$ro->eta_hour = '';
227 227
 		$ro->eta_minute = '';
228 228
 		$ro->ts = time();
229
-		$ro->id = bindec(substr($_aisdata,0,6));
230
-		$ro->mmsi = bindec(substr($_aisdata,8,30));
229
+		$ro->id = bindec(substr($_aisdata, 0, 6));
230
+		$ro->mmsi = bindec(substr($_aisdata, 8, 30));
231 231
 		if ($ro->id >= 1 && $ro->id <= 3) {
232
-			$ro->cog = bindec(substr($_aisdata,116,12))/10;
233
-			$ro->sog = bindec(substr($_aisdata,50,10))/10;
234
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,61,28)));
235
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,89,27)));
232
+			$ro->cog = bindec(substr($_aisdata, 116, 12))/10;
233
+			$ro->sog = bindec(substr($_aisdata, 50, 10))/10;
234
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 61, 28)));
235
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 89, 27)));
236 236
 			$ro->cls = 1; // class A
237 237
 		} else if ($ro->id == 4) {
238
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,79,28)));
239
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,107,27)));
238
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 79, 28)));
239
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 107, 27)));
240 240
 			$ro->cls = 1; // class A
241 241
 		} else if ($ro->id == 5) {
242
-			$ro->imo = bindec(substr($_aisdata,40,30));
243
-			$ro->callsign = $this->binchar($_aisdata,70,42);
244
-			$ro->name = $this->binchar($_aisdata,112,120);
245
-			$ro->typeid = bindec(substr($_aisdata,232,8));
242
+			$ro->imo = bindec(substr($_aisdata, 40, 30));
243
+			$ro->callsign = $this->binchar($_aisdata, 70, 42);
244
+			$ro->name = $this->binchar($_aisdata, 112, 120);
245
+			$ro->typeid = bindec(substr($_aisdata, 232, 8));
246 246
 			$ro->type = $this->getShipType($ro->typeid);
247 247
 			//$ro->to_bow = bindec(substr($_aisdata,240,9));
248 248
 			//$ro->to_stern = bindec(substr($_aisdata,249,9));
249 249
 			//$ro->to_port = bindec(substr($_aisdata,258,6));
250 250
 			//$ro->to_starboard = bindec(substr($_aisdata,264,6));
251
-			$ro->eta_month = bindec(substr($_aisdata,274,4));
252
-			$ro->eta_day = bindec(substr($_aisdata,278,5));
253
-			$ro->eta_hour = bindec(substr($_aisdata,283,5));
254
-			$ro->eta_minute = bindec(substr($_aisdata,288,6));
251
+			$ro->eta_month = bindec(substr($_aisdata, 274, 4));
252
+			$ro->eta_day = bindec(substr($_aisdata, 278, 5));
253
+			$ro->eta_hour = bindec(substr($_aisdata, 283, 5));
254
+			$ro->eta_minute = bindec(substr($_aisdata, 288, 6));
255 255
 			//$ro->draught = bindec(substr($_aisdata,294,8));
256
-			$ro->destination = $this->binchar($_aisdata,302,120);
256
+			$ro->destination = $this->binchar($_aisdata, 302, 120);
257 257
 			$ro->cls = 1; // class A
258 258
 		} else if ($ro->id == 9) {
259 259
 			// Search and Rescue aircraft position report
260 260
 		} else if ($ro->id == 18) {
261
-			$ro->cog = bindec(substr($_aisdata,112,12))/10;
262
-			$ro->sog = bindec(substr($_aisdata,46,10))/10;
263
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,57,28)));
264
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,85,27)));
265
-			$ro->heading = bindec(substr($_aisdata,124,9));
261
+			$ro->cog = bindec(substr($_aisdata, 112, 12))/10;
262
+			$ro->sog = bindec(substr($_aisdata, 46, 10))/10;
263
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 57, 28)));
264
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 85, 27)));
265
+			$ro->heading = bindec(substr($_aisdata, 124, 9));
266 266
 			if ($ro->heading == 511) $ro->heading = '';
267 267
 			$ro->cls = 2; // class B
268 268
 		} else if ($ro->id == 19) {
269
-			$ro->cog = bindec(substr($_aisdata,112,12))/10;
270
-			$ro->sog = bindec(substr($_aisdata,46,10))/10;
271
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,61,28)));
272
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,89,27)));
273
-			$ro->name = $this->binchar($_aisdata,143,120);
269
+			$ro->cog = bindec(substr($_aisdata, 112, 12))/10;
270
+			$ro->sog = bindec(substr($_aisdata, 46, 10))/10;
271
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 61, 28)));
272
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 89, 27)));
273
+			$ro->name = $this->binchar($_aisdata, 143, 120);
274 274
 			$ro->cls = 2; // class B
275
-			$ro->heading = bindec(substr($_aisdata,124,9));
275
+			$ro->heading = bindec(substr($_aisdata, 124, 9));
276 276
 			if ($ro->heading == 511) $ro->heading = '';
277
-			$ro->typeid = bindec(substr($_aisdata,263,8));
277
+			$ro->typeid = bindec(substr($_aisdata, 263, 8));
278 278
 			$ro->type = $this->getShipType($ro->typeid);
279 279
 			//$ro->to_bow = bindec(substr($_aisdata,271,9));
280 280
 			//$ro->to_stern = bindec(substr($_aisdata,280,9));
281 281
 			//$ro->to_port = bindec(substr($_aisdata,289,6));
282 282
 			//$ro->to_starboard = bindec(substr($_aisdata,295,6));
283 283
 		} else if ($ro->id == 21) {
284
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,164,28)));
285
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,192,27)));
286
-			$ro->name = $this->binchar($_aisdata,43,120);
284
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 164, 28)));
285
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 192, 27)));
286
+			$ro->name = $this->binchar($_aisdata, 43, 120);
287 287
 			//$ro->to_bow = bindec(substr($_aisdata,219,9));
288 288
 			//$ro->to_stern = bindec(substr($_aisdata,228,9));
289 289
 			//$ro->to_port = bindec(substr($_aisdata,237,6));
290 290
 			//$ro->to_starboard = bindec(substr($_aisdata,243,6));
291 291
 			$ro->cls = 2; // class B
292 292
 		} else if ($ro->id == 24) {
293
-			$pn = bindec(substr($_aisdata,38,2));
293
+			$pn = bindec(substr($_aisdata, 38, 2));
294 294
 			if ($pn == 0) {
295
-				$ro->name = $this->binchar($_aisdata,40,120);
295
+				$ro->name = $this->binchar($_aisdata, 40, 120);
296 296
 			}
297
-			$ro->typeid = bindec(substr($_aisdata,40,8));
297
+			$ro->typeid = bindec(substr($_aisdata, 40, 8));
298 298
 			$ro->type = $this->getShipType($ro->typeid);
299
-			$ro->callsign = $this->binchar($_aisdata,90,42);
299
+			$ro->callsign = $this->binchar($_aisdata, 90, 42);
300 300
 			//$ro->to_bow = bindec(substr($_aisdata,132,9));
301 301
 			//$ro->to_stern = bindec(substr($_aisdata,141,9));
302 302
 			//$ro->to_port = bindec(substr($_aisdata,150,6));
303 303
 			//$ro->to_starboard = bindec(substr($_aisdata,156,6));
304 304
 			$ro->cls = 2; // class B
305 305
 		} else if ($ro->id == 27) {
306
-			$ro->cog = bindec(substr($_aisdata,85,9));
306
+			$ro->cog = bindec(substr($_aisdata, 85, 9));
307 307
 			if ($ro->cog == 511) $ro->cog = 0.0;
308
-			$ro->sog = bindec(substr($_aisdata,79,6));
308
+			$ro->sog = bindec(substr($_aisdata, 79, 6));
309 309
 			if ($ro->sog == 63) $ro->sog = 0.0;
310
-			$ro->lon = $this->make_lonf(bindec(substr($_aisdata,44,18))*10);
311
-			$ro->lat = $this->make_latf(bindec(substr($_aisdata,62,17))*10);
310
+			$ro->lon = $this->make_lonf(bindec(substr($_aisdata, 44, 18))*10);
311
+			$ro->lat = $this->make_latf(bindec(substr($_aisdata, 62, 17))*10);
312 312
 			$ro->cls = 1; // class A
313 313
 		
314 314
 		}
315
-		$ro->statusid = bindec(substr($_aisdata,38,4));
315
+		$ro->statusid = bindec(substr($_aisdata, 38, 4));
316 316
 		$ro->status = $this->getStatus($ro->statusid);
317 317
 		return $ro;
318 318
 	}
@@ -359,7 +359,7 @@  discard block
 block discarded – undo
359 359
 	}
360 360
 
361 361
 	public function getShipTypeID($type) {
362
-		$typeid = array_search($type,$this->shiptype);
362
+		$typeid = array_search($type, $this->shiptype);
363 363
 		if ($typeid !== FALSE) return $typeid;
364 364
 		elseif ($type == 'Cargo' || $type == 'General Cargo' || $type == 'Bulk Carrier' || $type == 'Container Ship' || $type == 'Cargo A' || $type == 'Reefer' || $type == 'Vehicles Carrier') return 70;
365 365
 		elseif ($type == 'Passengers Ship' || $type == 'Passenger' || $type == 'Ro-Ro/Passenger Ship' || $type == 'Motor Passenger') return 60;
@@ -380,14 +380,14 @@  discard block
 block discarded – undo
380 380
 	public function process_ais_itu($_itu, $_len, $_filler, $aux /*, $ais_ch*/) {
381 381
 		global $port; // tcpip port...
382 382
 		static $debug_counter = 0;
383
-		$aisdata168='';//six bit array of ascii characters
383
+		$aisdata168 = ''; //six bit array of ascii characters
384 384
 		$ais_nmea_array = str_split($_itu); // convert to an array
385 385
 		foreach ($ais_nmea_array as $value) {
386 386
 			$dec = $this->ascii_2_dec($value);
387 387
 			$bit8 = $this->asciidec_2_8bit($dec);
388 388
 			$bit6 = $this->dec_2_6bit($bit8);
389 389
 			//echo $value ."-" .$bit6 ."";
390
-			$aisdata168 .=$bit6;
390
+			$aisdata168 .= $bit6;
391 391
 		}
392 392
 		//echo $aisdata168 . "<br/>";
393 393
 		//return $this->decode_ais($aisdata168, $aux);
@@ -410,24 +410,24 @@  discard block
 block discarded – undo
410 410
 		// calculate checksum after ! till *
411 411
 		// assume 1st ! is valid
412 412
 		// find * ensure that it is at correct position
413
-		$end = strrpos ( $rawdata , '*' );
413
+		$end = strrpos($rawdata, '*');
414 414
 		if ($end === FALSE) return -1; // check for NULLS!!!
415
-		$cs = substr( $rawdata, $end + 1 );
416
-		if ( strlen($cs) != 2 ) return -1; // correct cs length
417
-		$dcs = (int)hexdec( $cs );
418
-		for ( $alias=1; $alias<$end; $alias++) $chksum ^= ord( $rawdata[$alias] ); // perform XOR for NMEA checksum
419
-		if ( $chksum == $dcs ) { // NMEA checksum pass
415
+		$cs = substr($rawdata, $end + 1);
416
+		if (strlen($cs) != 2) return -1; // correct cs length
417
+		$dcs = (int) hexdec($cs);
418
+		for ($alias = 1; $alias < $end; $alias++) $chksum ^= ord($rawdata[$alias]); // perform XOR for NMEA checksum
419
+		if ($chksum == $dcs) { // NMEA checksum pass
420 420
 			$pcs = explode(',', $rawdata);
421 421
 			// !AI??? identifier
422 422
 			if (!isset($pcs[1])) {
423 423
 				echo "ERROR,INVALID_DATA ".time()." $rawdata\n";
424 424
 				return -1;
425 425
 			}
426
-			$num_seq = (int)$pcs[1]; // number of sequences
427
-			$seq = (int)$pcs[2]; // get sequence
426
+			$num_seq = (int) $pcs[1]; // number of sequences
427
+			$seq = (int) $pcs[2]; // get sequence
428 428
 			// get msg sequence id
429 429
 			if ($pcs[3] == '') $msg_sid = -1; // non-multipart message, set to -1
430
-			else $msg_sid = (int)$pcs[3]; // multipart message
430
+			else $msg_sid = (int) $pcs[3]; // multipart message
431 431
 			$ais_ch = $pcs[4]; // get AIS channel
432 432
 			// message sequence checking
433 433
 			if ($num_seq < 1 || $num_seq > 9) {
@@ -460,7 +460,7 @@  discard block
 block discarded – undo
460 460
 					}
461 461
 				}
462 462
 				$itu = $itu.$pcs[5]; // get itu message
463
-				$filler += (int)$pcs[6][0]; // get filler
463
+				$filler += (int) $pcs[6][0]; // get filler
464 464
 				if ($num_seq == 1 // valid single message
465 465
 				    || $num_seq == $pseq // valid multi-part message
466 466
 				) {
@@ -482,13 +482,13 @@  discard block
 block discarded – undo
482 482
 		$cbuf = $cbuf.$ibuf;
483 483
 		$last_pos = 0;
484 484
 		$result = new stdClass();
485
-		while ( ($start = strpos($cbuf,"VDM",$last_pos)) !== FALSE) {
485
+		while (($start = strpos($cbuf, "VDM", $last_pos)) !== FALSE) {
486 486
 		//while ( ($start = strpos($cbuf,"!AI",$last_pos)) !== FALSE) {
487 487
 			//DEBUG echo $cbuf;
488
-			if ( ($end = strpos($cbuf,"\r\n", $start)) !== FALSE) { //TBD need to trim?
488
+			if (($end = strpos($cbuf, "\r\n", $start)) !== FALSE) { //TBD need to trim?
489 489
 				$tst = substr($cbuf, $start - 3, ($end - $start + 3));
490 490
 				//DEBUG echo "[$start $end $tst]\n";
491
-				$result = $this->process_ais_raw( $tst, "" );
491
+				$result = $this->process_ais_raw($tst, "");
492 492
 				$last_pos = $end + 1;
493 493
 			} else break;
494 494
 		}
@@ -500,41 +500,41 @@  discard block
 block discarded – undo
500 500
 	// incoming data from serial or IP comms
501 501
 	public function process_ais_line($cbuf) {
502 502
 		$result = new stdClass();
503
-		$start = strpos($cbuf,"VDM");
503
+		$start = strpos($cbuf, "VDM");
504 504
 		$tst = substr($cbuf, $start - 3);
505
-		$result = $this->process_ais_raw( $tst, "" );
505
+		$result = $this->process_ais_raw($tst, "");
506 506
 		return $result;
507 507
 	}
508 508
 
509 509
 	/* AIS Encoding
510 510
 	*/
511
-	private function mk_ais_lat( $lat ) {
511
+	private function mk_ais_lat($lat) {
512 512
 		//$lat = 1.2569;
513
-		if ($lat<0.0) {
513
+		if ($lat < 0.0) {
514 514
 			$lat = -$lat;
515
-			$neg=true;
516
-		} else $neg=false;
515
+			$neg = true;
516
+		} else $neg = false;
517 517
 		$latd = 0x00000000;
518
-		$latd = intval ($lat * 600000.0);
519
-		if ($neg==true) {
518
+		$latd = intval($lat*600000.0);
519
+		if ($neg == true) {
520 520
 			$latd = ~$latd;
521
-			$latd+=1;
521
+			$latd += 1;
522 522
 			$latd &= 0x07FFFFFF;
523 523
 		}
524 524
 		return $latd;
525 525
 	}
526 526
 
527
-	private function mk_ais_lon( $lon ) {
527
+	private function mk_ais_lon($lon) {
528 528
 		//$lon = 103.851;
529
-		if ($lon<0.0) {
529
+		if ($lon < 0.0) {
530 530
 			$lon = -$lon;
531
-			$neg=true;
532
-		} else $neg=false;
531
+			$neg = true;
532
+		} else $neg = false;
533 533
 		$lond = 0x00000000;
534
-		$lond = intval ($lon * 600000.0);
535
-		if ($neg==true) {
534
+		$lond = intval($lon*600000.0);
535
+		if ($neg == true) {
536 536
 			$lond = ~$lond;
537
-			$lond+=1;
537
+			$lond += 1;
538 538
 			$lond &= 0x0FFFFFFF;
539 539
 		}
540 540
 		return $lond;
@@ -542,8 +542,8 @@  discard block
 block discarded – undo
542 542
 
543 543
 	private function char2bin($name, $max_len) {
544 544
 		$len = strlen($name);
545
-		if ($len > $max_len) $name = substr($name,0,$max_len);
546
-		if ($len < $max_len) $pad = str_repeat('0', ($max_len - $len) * 6);
545
+		if ($len > $max_len) $name = substr($name, 0, $max_len);
546
+		if ($len < $max_len) $pad = str_repeat('0', ($max_len - $len)*6);
547 547
 		else $pad = '';
548 548
 		$rv = '';
549 549
 		$ais_chars = array(
@@ -560,26 +560,26 @@  discard block
 block discarded – undo
560 560
 		if ($_a) foreach ($_a as $_1) {
561 561
 			if (isset($ais_chars[$_1])) $dec = $ais_chars[$_1];
562 562
 			else $dec = 0;
563
-			$bin = str_pad(decbin( $dec ), 6, '0', STR_PAD_LEFT);
563
+			$bin = str_pad(decbin($dec), 6, '0', STR_PAD_LEFT);
564 564
 			$rv .= $bin;
565 565
 			//echo "$_1 $dec ($bin)<br/>";
566 566
 		}
567 567
 		return $rv.$pad;
568 568
 	}
569 569
 
570
-	private function mk_ais($_enc, $_part=1,$_total=1,$_seq='',$_ch='A') {
570
+	private function mk_ais($_enc, $_part = 1, $_total = 1, $_seq = '', $_ch = 'A') {
571 571
 		$len_bit = strlen($_enc);
572
-		$rem6 = $len_bit % 6;
572
+		$rem6 = $len_bit%6;
573 573
 		$pad6_len = 0;
574 574
 		if ($rem6) $pad6_len = 6 - $rem6;
575 575
 		//echo  $pad6_len.'<br>';
576 576
 		$_enc .= str_repeat("0", $pad6_len); // pad the text...
577
-		$len_enc = strlen($_enc) / 6;
577
+		$len_enc = strlen($_enc)/6;
578 578
 		//echo $_enc.' '.$len_enc.'<br/>';
579 579
 		$itu = '';
580
-		for ($i=0; $i<$len_enc; $i++) {
581
-			$offset = $i * 6;
582
-			$dec = bindec(substr($_enc,$offset,6));
580
+		for ($i = 0; $i < $len_enc; $i++) {
581
+			$offset = $i*6;
582
+			$dec = bindec(substr($_enc, $offset, 6));
583 583
 			if ($dec < 40) $dec += 48;
584 584
 			else $dec += 56;
585 585
 			//echo chr($dec)." $dec<br/>";
@@ -589,15 +589,15 @@  discard block
 block discarded – undo
589 589
 		$chksum = 0;
590 590
 		$itu = "AIVDM,$_part,$_total,$_seq,$_ch,".$itu.",0";
591 591
 		$len_itu = strlen($itu);
592
-		for ($i=0; $i<$len_itu; $i++) {
593
-			$chksum ^= ord( $itu[$i] );
592
+		for ($i = 0; $i < $len_itu; $i++) {
593
+			$chksum ^= ord($itu[$i]);
594 594
 		}
595
-		$hex_arr = array('0','1','2','3','4','5','6','7','8','9','A','B','C','D','E','F');
596
-		$lsb = $chksum & 0x0F;
597
-		if ($lsb >=0 && $lsb <= 15 ) $lsbc = $hex_arr[$lsb];
595
+		$hex_arr = array('0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F');
596
+		$lsb = $chksum&0x0F;
597
+		if ($lsb >= 0 && $lsb <= 15) $lsbc = $hex_arr[$lsb];
598 598
 		else $lsbc = '0';
599
-		$msb = (($chksum & 0xF0) >> 4) & 0x0F;
600
-		if ($msb >=0 && $msb <= 15 ) $msbc = $hex_arr[$msb];
599
+		$msb = (($chksum&0xF0) >> 4)&0x0F;
600
+		if ($msb >= 0 && $msb <= 15) $msbc = $hex_arr[$msb];
601 601
 		else $msbc = '0';
602 602
 		$itu = '!'.$itu."*{$msbc}{$lsbc}\r\n";
603 603
 		return $itu;
@@ -623,14 +623,14 @@  discard block
 block discarded – undo
623 623
 
624 624
 	public function mmsitype($mmsi) {
625 625
 		if (strlen($mmsi) == 9) {
626
-			if (substr($mmsi,0,3) == '974') return 'EPIRB (Emergency Position Indicating Radio Beacon) AIS';
627
-			elseif (substr($mmsi,0,3) == '972') return 'MOB (Man Overboard) device';
628
-			elseif (substr($mmsi,0,3) == '970') return 'AIS SART (Search and Rescue Transmitter)';
629
-			elseif (substr($mmsi,0,3) == '111') return 'SAR (Search and Rescue) aircraft';
630
-			elseif (substr($mmsi,0,2) == '98') return 'Auxiliary craft associated with a parent ship';
631
-			elseif (substr($mmsi,0,2) == '99') return 'Aids to Navigation';
632
-			elseif (substr($mmsi,0,2) == '00') return 'Coastal stations';
633
-			elseif (substr($mmsi,0,1) == '0') return 'Group of ships';
626
+			if (substr($mmsi, 0, 3) == '974') return 'EPIRB (Emergency Position Indicating Radio Beacon) AIS';
627
+			elseif (substr($mmsi, 0, 3) == '972') return 'MOB (Man Overboard) device';
628
+			elseif (substr($mmsi, 0, 3) == '970') return 'AIS SART (Search and Rescue Transmitter)';
629
+			elseif (substr($mmsi, 0, 3) == '111') return 'SAR (Search and Rescue) aircraft';
630
+			elseif (substr($mmsi, 0, 2) == '98') return 'Auxiliary craft associated with a parent ship';
631
+			elseif (substr($mmsi, 0, 2) == '99') return 'Aids to Navigation';
632
+			elseif (substr($mmsi, 0, 2) == '00') return 'Coastal stations';
633
+			elseif (substr($mmsi, 0, 1) == '0') return 'Group of ships';
634 634
 			else return 'Ship';
635 635
 		}
636 636
 
@@ -640,19 +640,19 @@  discard block
 block discarded – undo
640 640
 	public function parse_line($buffer) {
641 641
 		global $globalDebug;
642 642
 		$result = array();
643
-		$start = strpos($buffer,"VDM");
643
+		$start = strpos($buffer, "VDM");
644 644
 		$tst = substr($buffer, $start - 3);
645
-		$data = $this->process_ais_raw( $tst, "" );
645
+		$data = $this->process_ais_raw($tst, "");
646 646
 		if (!is_object($data)) {
647 647
 			//if ($globalDebug) echo '==== Line format not supported : '.$buffer."\n";
648 648
 			return array();
649 649
 		}
650 650
 		if ($data->lon != 0) $result['longitude'] = $data->lon;
651 651
 		if ($data->lat != 0) $result['latitude'] = $data->lat;
652
-		$result['ident'] = trim(str_replace('@','',$data->name));
652
+		$result['ident'] = trim(str_replace('@', '', $data->name));
653 653
 		$result['timestamp'] = $data->ts;
654 654
 		$result['mmsi'] = $data->mmsi;
655
-		if (strlen($result['mmsi']) == 8 && substr($result['mmsi'],0,3) == '669') $result['mmsi'] = '3'.$result['mmsi'];
655
+		if (strlen($result['mmsi']) == 8 && substr($result['mmsi'], 0, 3) == '669') $result['mmsi'] = '3'.$result['mmsi'];
656 656
 		$result['mmsi_type'] = $this->mmsitype($result['mmsi']);
657 657
 		if ($data->sog != -1.0) $result['speed'] = $data->sog;
658 658
 		if ($data->heading !== '') $result['heading'] = $data->heading;
@@ -662,16 +662,16 @@  discard block
 block discarded – undo
662 662
 		if ($data->type !== '') $result['type'] = $data->type;
663 663
 		if ($data->typeid !== '') $result['typeid'] = $data->typeid;
664 664
 		if ($data->imo !== '') $result['imo'] = $data->imo;
665
-		if ($data->callsign !== '') $result['callsign'] = trim(str_replace('@','',$data->callsign));
665
+		if ($data->callsign !== '') $result['callsign'] = trim(str_replace('@', '', $data->callsign));
666 666
 		if (is_numeric($data->eta_month) && $data->eta_month != 0 && is_numeric($data->eta_day) && $data->eta_day != 0 && $data->eta_hour !== '' && $data->eta_minute !== '') {
667
-			$eta_ts = strtotime(date('Y').'-'.sprintf("%02d",$data->eta_month).'-'.sprintf("%02d",$data->eta_day).' '.sprintf("%02d",$data->eta_hour).':'.sprintf("%02d",$data->eta_minute).':00');
667
+			$eta_ts = strtotime(date('Y').'-'.sprintf("%02d", $data->eta_month).'-'.sprintf("%02d", $data->eta_day).' '.sprintf("%02d", $data->eta_hour).':'.sprintf("%02d", $data->eta_minute).':00');
668 668
 			if ($eta_ts != '') $result['eta_ts'] = $eta_ts;
669 669
 		} elseif (is_numeric($data->eta_hour) && is_numeric($data->eta_minute)) {
670
-			$eta_ts = strtotime(date('Y-m-d').' '.sprintf("%02d",$data->eta_hour).':'.sprintf("%02d",$data->eta_minute).':00');
670
+			$eta_ts = strtotime(date('Y-m-d').' '.sprintf("%02d", $data->eta_hour).':'.sprintf("%02d", $data->eta_minute).':00');
671 671
 			if ($eta_ts != '') $result['eta_ts'] = $eta_ts;
672 672
 		}
673 673
 		if ($data->destination != '') {
674
-			$dest = trim(str_replace('@','',$data->destination));
674
+			$dest = trim(str_replace('@', '', $data->destination));
675 675
 			if ($dest != '') $result['destination'] = $dest;
676 676
 		}
677 677
 		$result['all'] = (array) $data;
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