Ysurac /
FlightAirMap
| Conditions | 79 |
| Paths | > 20000 |
| Total Lines | 311 |
| Code Lines | 179 |
| Lines | 0 |
| Ratio | 0 % |
| Changes | 0 | ||
Small methods make your code easier to understand, in particular if combined with a good name. Besides, if your method is small, finding a good name is usually much easier.
For example, if you find yourself adding comments to a method's body, this is usually a good sign to extract the commented part to a new method, and use the comment as a starting point when coming up with a good name for this new method.
Commonly applied refactorings include:
If many parameters/temporary variables are present:
| 1 | <?php |
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| 97 | public function parse($input) { |
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| 98 | global $globalDebug; |
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| 99 | $debug = false; |
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| 100 | $result = array(); |
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| 101 | $input_len = strlen($input); |
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| 102 | //$split_input = str_split($input); |
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| 103 | |||
| 104 | /* Find the end of header checking for NULL bytes while doing it. */ |
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| 105 | $splitpos = strpos($input,':'); |
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| 106 | |||
| 107 | /* Check that end was found and body has at least one byte. */ |
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| 108 | if ($splitpos == 0 || $splitpos + 1 == $input_len || $splitpos === FALSE) { |
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| 109 | if ($globalDebug) echo '!!! APRS invalid : '.$input."\n"; |
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| 110 | return false; |
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| 111 | } |
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| 112 | |||
| 113 | if ($debug) echo 'input : '.$input."\n"; |
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| 114 | /* Save header and body. */ |
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| 115 | $body = substr($input,$splitpos+1,$input_len); |
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| 116 | $body_len = strlen($body); |
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| 117 | $header = substr($input,0,$splitpos); |
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| 118 | //$header_len = strlen($header); |
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| 119 | if ($debug) echo 'header : '.$header."\n"; |
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| 120 | |||
| 121 | /* Parse source, target and path. */ |
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| 122 | //FLRDF0A52>APRS,qAS,LSTB |
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| 123 | if (preg_match('/^([A-Z0-9\\-]{1,9})>(.*)$/',$header,$matches)) { |
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| 124 | $ident = $matches[1]; |
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| 125 | $all_elements = $matches[2]; |
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| 126 | if ($debug) echo 'ident : '.$ident."\n"; |
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| 127 | $result['ident'] = $ident; |
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| 128 | } else return false; |
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| 129 | $elements = explode(',',$all_elements); |
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| 130 | $source = end($elements); |
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| 131 | $result['source'] = $source; |
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| 132 | foreach ($elements as $element) { |
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| 133 | if (preg_match('/^([a-zA-Z0-9-]{1,9})([*]?)$/',$element)) { |
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| 134 | //echo "ok"; |
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| 135 | //if ($element == 'TCPIP*') return false; |
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| 136 | } elseif (!preg_match('/^([0-9A-F]{32})$/',$element)) { |
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| 137 | if ($debug) echo 'element : '.$element."\n"; |
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| 138 | return false; |
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| 139 | } |
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| 140 | /* |
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| 141 | } elseif (preg_match('/^([0-9A-F]{32})$/',$element)) { |
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| 142 | //echo "ok"; |
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| 143 | } else { |
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| 144 | return false; |
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| 145 | } |
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| 146 | */ |
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| 147 | } |
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| 148 | |||
| 149 | $type = substr($body,0,1); |
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| 150 | if ($debug) echo 'type : '.$type."\n"; |
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| 151 | if ($type == ';') { |
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| 152 | $result['ident'] = trim(substr($body,1,9)); |
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| 153 | } elseif ($type == ',') { |
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| 154 | // Invalid data or test data |
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| 155 | return false; |
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| 156 | } |
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| 157 | |||
| 158 | // Check for Timestamp |
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| 159 | $find = false; |
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| 160 | $body_parse = substr($body,1); |
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| 161 | //echo 'Body : '.$body."\n"; |
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| 162 | if (preg_match('/^;(.){9}\*/',$body,$matches)) { |
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| 163 | $body_parse = substr($body_parse,10); |
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| 164 | $find = true; |
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| 165 | //echo $body_parse."\n"; |
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| 166 | } |
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| 167 | if (preg_match('/^`(.*)\//',$body,$matches)) { |
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| 168 | $body_parse = substr($body_parse,strlen($matches[1])-1); |
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| 169 | $find = true; |
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| 170 | //echo $body_parse."\n"; |
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| 171 | } |
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| 172 | if (preg_match("/^'(.*)\//",$body,$matches)) { |
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| 173 | $body_parse = substr($body_parse,strlen($matches[1])-1); |
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| 174 | $find = true; |
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| 175 | //echo $body_parse."\n"; |
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| 176 | } |
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| 177 | if (preg_match('/^([0-9]{2})([0-9]{2})([0-9]{2})([zh\\/])/',$body_parse,$matches)) { |
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| 178 | $find = true; |
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| 179 | //print_r($matches); |
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| 180 | $timestamp = $matches[0]; |
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| 181 | if ($matches[4] == 'h') { |
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| 182 | $timestamp = strtotime($matches[1].':'.$matches[2].':'.$matches[3]); |
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| 183 | //echo 'timestamp : '.$timestamp.' - now : '.time()."\n"; |
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| 184 | /* |
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| 185 | if (time() + 3900 < $timestamp) $timestamp -= 86400; |
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| 186 | elseif (time() - 82500 > $timestamp) $timestamp += 86400; |
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| 187 | */ |
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| 188 | } elseif ($matches[4] == 'z' || $matches[4] == '/') { |
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| 189 | // This work or not ? |
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| 190 | $timestamp = strtotime(date('Ym').$matches[1].' '.$matches[2].':'.$matches[3]); |
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| 191 | } |
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| 192 | $body_parse = substr($body_parse,7); |
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| 193 | $result['timestamp'] = $timestamp; |
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| 194 | //echo date('Ymd H:i:s',$timestamp); |
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| 195 | } |
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| 196 | if (preg_match('/^([0-9]{2})([0-9]{2})([0-9]{2})([0-9]{2})/',$body_parse,$matches)) { |
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| 197 | $find = true; |
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| 198 | $timestamp = strtotime(date('Y').$matches[1].$matches[2].' '.$matches[3].':'.$matches[4]); |
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| 199 | $body_parse = substr($body_parse,8); |
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| 200 | $result['timestamp'] = $timestamp; |
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| 201 | //echo date('Ymd H:i:s',$timestamp); |
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| 202 | } |
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| 203 | //if (strlen($body_parse) > 19) { |
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| 204 | if (preg_match('/^([0-9]{2})([0-7 ][0-9 ]\\.[0-9 ]{2})([NnSs])(.)([0-9]{3})([0-7 ][0-9 ]\\.[0-9 ]{2})([EeWw])(.)/',$body_parse,$matches)) { |
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| 205 | $find = true; |
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| 206 | // 4658.70N/00707.78Ez |
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| 207 | //print_r(str_split($body_parse)); |
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| 208 | |||
| 209 | //$latlon = $matches[0]; |
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| 210 | $sind = strtoupper($matches[3]); |
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| 211 | $wind = strtoupper($matches[7]); |
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| 212 | $lat_deg = $matches[1]; |
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| 213 | $lat_min = $matches[2]; |
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| 214 | $lon_deg = $matches[5]; |
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| 215 | $lon_min = $matches[6]; |
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| 216 | |||
| 217 | //$symbol_table = $matches[4]; |
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| 218 | $lat = intval($lat_deg); |
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| 219 | $lon = intval($lon_deg); |
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| 220 | if ($lat > 89 || $lon > 179) return false; |
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| 221 | |||
| 222 | /* |
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| 223 | $tmp_5b = str_replace('.','',$lat_min); |
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| 224 | if (preg_match('/^([0-9]{0,4})( {0,4})$/',$tmp_5b,$matches)) { |
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| 225 | print_r($matches); |
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| 226 | } |
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| 227 | */ |
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| 228 | $latitude = $lat + floatval($lat_min)/60; |
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| 229 | $longitude = $lon + floatval($lon_min)/60; |
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| 230 | if ($sind == 'S') $latitude = 0-$latitude; |
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| 231 | if ($wind == 'W') $longitude = 0-$longitude; |
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| 232 | $result['latitude'] = $latitude; |
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| 233 | $result['longitude'] = $longitude; |
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| 234 | $body_parse = substr($body_parse,18); |
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| 235 | $body_parse_len = strlen($body_parse); |
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| 236 | } |
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| 237 | $body_parse_len = strlen($body_parse); |
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| 238 | if ($body_parse_len > 0) { |
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| 239 | /* |
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| 240 | if (!isset($result['timestamp']) && !isset($result['latitude'])) { |
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| 241 | $body_split = str_split($body); |
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| 242 | $symbol_code = $body_split[0]; |
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| 243 | $body_parse = substr($body,1); |
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| 244 | $body_parse_len = strlen($body_parse); |
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| 245 | } else { |
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| 246 | */ |
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| 247 | /* |
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| 248 | if ($find === false) { |
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| 249 | $body_split = str_split($body); |
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| 250 | $symbol_code = $body_split[0]; |
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| 251 | $body_parse = substr($body,1); |
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| 252 | $body_parse_len = strlen($body_parse); |
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| 253 | } else { |
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| 254 | */ |
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| 255 | if ($find) { |
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| 256 | $body_split = str_split($body_parse); |
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| 257 | $symbol_code = $body_split[0]; |
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| 258 | //} |
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| 259 | //echo $body_parse; |
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| 260 | if ($type != ';' && $type != '>') { |
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| 261 | $body_parse = substr($body_parse,1); |
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| 262 | $body_parse_len = strlen($body_parse); |
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| 263 | $result['symbol_code'] = $symbol_code; |
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| 264 | if (isset($this->symbols[$symbol_code])) $result['symbol'] = $this->symbols[$symbol_code]; |
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| 265 | if ($symbol_code != '_') { |
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| 266 | } |
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| 267 | //$body_parse = substr($body_parse,1); |
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| 268 | //$body_parse = trim($body_parse); |
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| 269 | //$body_parse_len = strlen($body_parse); |
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| 270 | if ($body_parse_len >= 7) { |
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| 271 | |||
| 272 | if (preg_match('/^([0-9\\. ]{3})\\/([0-9\\. ]{3})/',$body_parse)) { |
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| 273 | $course = substr($body_parse,0,3); |
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| 274 | $tmp_s = intval($course); |
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| 275 | if ($tmp_s >= 1 && $tmp_s <= 360) $result['heading'] = intval($course); |
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| 276 | $speed = substr($body_parse,4,3); |
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| 277 | if ($speed != '...') { |
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| 278 | $result['speed'] = round($speed*1.852); |
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| 279 | } |
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| 280 | $body_parse = substr($body_parse,7); |
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| 281 | } |
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| 282 | // Check PHGR, PHG, RNG |
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| 283 | } |
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| 284 | /* |
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| 285 | else if ($body_parse_len > 0) { |
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| 286 | $rest = $body_parse; |
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| 287 | } |
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| 288 | */ |
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| 289 | if (strlen($body_parse) > 0) { |
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| 290 | if (preg_match('/\\/A=(-[0-9]{5}|[0-9]{6})/',$body_parse,$matches)) { |
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| 291 | $altitude = intval($matches[1]); |
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| 292 | //$result['altitude'] = round($altitude*0.3048); |
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| 293 | $result['altitude'] = $altitude; |
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| 294 | //$body_parse = trim(substr($body_parse,strlen($matches[0]))); |
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| 295 | $body_parse = trim(preg_replace('/\\/A=(-[0-9]{5}|[0-9]{6})/','',$body_parse)); |
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| 296 | } |
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| 297 | } |
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| 298 | |||
| 299 | // Telemetry |
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| 300 | /* |
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| 301 | if (preg_match('/^([0-9]+),(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,(-?)([0-9]{1,6}|[0-9]+\\.[0-9]+|\\.[0-9]+)?,([01]{0,8})/',$body_parse,$matches)) { |
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| 302 | // Nothing yet... |
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| 303 | } |
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| 304 | */ |
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| 305 | // DAO |
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| 306 | if (preg_match('/^!([0-9A-Z]{3})/',$body_parse,$matches)) { |
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| 307 | $dao = $matches[1]; |
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| 308 | if (preg_match('/^([A-Z])([0-9]{2})/',$dao)) { |
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| 309 | $dao_split = str_split($dao); |
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| 310 | $lat_off = (($dao_split[1])-48.0)*0.001/60.0; |
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| 311 | $lon_off = (($dao_split[2])-48.0)*0.001/60.0; |
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| 312 | |||
| 313 | if ($result['latitude'] < 0) $result['latitude'] -= $lat_off; |
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| 314 | else $result['latitude'] += $lat_off; |
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| 315 | if ($result['longitude'] < 0) $result['longitude'] -= $lon_off; |
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| 316 | else $result['longitude'] += $lon_off; |
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| 317 | } |
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| 318 | $body_parse = substr($body_parse,6); |
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| 319 | } |
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| 320 | |||
| 321 | if (preg_match('/CS=([0-9A-Z]*)/',$body_parse,$matches)) { |
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| 322 | $result['callsign'] = $matches[1]; |
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| 323 | } |
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| 324 | if (preg_match('/SQ=([0-9]{4})/',$body_parse,$matches)) { |
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| 325 | $result['squawk'] = $matches[1]; |
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| 326 | } |
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| 327 | if (preg_match('/AI=([0-9A-Z]{4})/',$body_parse,$matches)) { |
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| 328 | $result['aircraft_icao'] = $matches[1]; |
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| 329 | } |
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| 330 | // OGN comment |
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| 331 | // echo "Before OGN : ".$body_parse."\n"; |
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| 332 | //if (preg_match('/^id([0-9A-F]{8}) ([+-])([0-9]{3,4})fpm ([+-])([0-9.]{3,4})rot (.*)$/',$body_parse,$matches)) { |
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| 333 | if (preg_match('/^id([0-9A-F]{8})/',$body_parse,$matches)) { |
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| 334 | $id = $matches[1]; |
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| 335 | //$mode = substr($id,0,2); |
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| 336 | $address = substr($id,2); |
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| 337 | //print_r($matches); |
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| 338 | $addressType = (intval(substr($id,0,2),16))&3; |
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| 339 | if ($addressType == 0) $result['addresstype'] = "RANDOM"; |
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| 340 | elseif ($addressType == 1) $result['addresstype'] = "ICAO"; |
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| 341 | elseif ($addressType == 2) $result['addresstype'] = "FLARM"; |
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| 342 | elseif ($addressType == 3) $result['addresstype'] = "OGN"; |
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| 343 | $aircraftType = $this->urshift(((intval(substr($id,0,2),16)) & 0b1111100),2); |
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| 344 | $result['aircrafttype_code'] = $aircraftType; |
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| 345 | if ($aircraftType == 0) $result['aircrafttype'] = "UNKNOWN"; |
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| 346 | elseif ($aircraftType == 1) $result['aircrafttype'] = "GLIDER"; |
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| 347 | elseif ($aircraftType == 2) $result['aircrafttype'] = "TOW_PLANE"; |
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| 348 | elseif ($aircraftType == 3) $result['aircrafttype'] = "HELICOPTER_ROTORCRAFT"; |
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| 349 | elseif ($aircraftType == 4) $result['aircrafttype'] = "PARACHUTE"; |
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| 350 | elseif ($aircraftType == 5) $result['aircrafttype'] = "DROP_PLANE"; |
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| 351 | elseif ($aircraftType == 6) $result['aircrafttype'] = "HANG_GLIDER"; |
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| 352 | elseif ($aircraftType == 7) $result['aircrafttype'] = "PARA_GLIDER"; |
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| 353 | elseif ($aircraftType == 8) $result['aircrafttype'] = "POWERED_AIRCRAFT"; |
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| 354 | elseif ($aircraftType == 9) $result['aircrafttype'] = "JET_AIRCRAFT"; |
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| 355 | elseif ($aircraftType == 10) $result['aircrafttype'] = "UFO"; |
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| 356 | elseif ($aircraftType == 11) $result['aircrafttype'] = "BALLOON"; |
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| 357 | elseif ($aircraftType == 12) $result['aircrafttype'] = "AIRSHIP"; |
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| 358 | elseif ($aircraftType == 13) $result['aircrafttype'] = "UAV"; |
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| 359 | elseif ($aircraftType == 15) $result['aircrafttype'] = "STATIC_OBJECT"; |
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| 360 | $stealth = (intval(substr($id,0,2), 16) & 0b10000000) != 0; |
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| 361 | $result['stealth'] = $stealth; |
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| 362 | $result['address'] = $address; |
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| 363 | } |
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| 364 | |||
| 365 | //Comment |
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| 366 | $result['comment'] = trim($body_parse); |
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| 367 | } else { |
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| 368 | // parse weather |
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| 369 | //$body_parse = substr($body_parse,1); |
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| 370 | //$body_parse_len = strlen($body_parse); |
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| 371 | |||
| 372 | if (preg_match('/^_{0,1}([0-9 \\.\\-]{3})\\/([0-9 \\.]{3})g([0-9 \\.]+)t(-{0,1}[0-9 \\.]+)/',$body_parse,$matches)) { |
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| 373 | $result['wind_dir'] = intval($matches[1]); |
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| 374 | $result['wind_speed'] = round(intval($matches[2])*1.60934,1); |
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| 375 | $result['wind_gust'] = round(intval($matches[3])*1.60934,1); |
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| 376 | $result['temp'] = round(5/9*((intval($matches[4]))-32),1); |
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| 377 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 378 | } elseif (preg_match('/^_{0,1}c([0-9 \\.\\-]{3})s([0-9 \\.]{3})g([0-9 \\.]+)t(-{0,1}[0-9 \\.]+)/',$body_parse,$matches)) { |
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| 379 | $result['wind_dir'] = intval($matches[1]); |
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| 380 | $result['wind_speed'] = round($matches[2]*1.60934,1); |
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| 381 | $result['wind_gust'] = round($matches[3]*1.60934,1); |
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| 382 | $result['temp'] = round(5/9*(($matches[4])-32),1); |
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| 383 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 384 | } elseif (preg_match('/^_{0,1}([0-9 \\.\\-]{3})\\/([0-9 \\.]{3})t(-{0,1}[0-9 \\.]+)/',$body_parse,$matches)) { |
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| 385 | $result['wind_dir'] = intval($matches[1]); |
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| 386 | $result['wind_speed'] = round($matches[2]*1.60934,1); |
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| 387 | $result['wind_gust'] = round($matches[3]*1.60934,1); |
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| 388 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 389 | } elseif (preg_match('/^_{0,1}([0-9 \\.\\-]{3})\\/([0-9 \\.]{3})g([0-9 \\.]+)/',$body_parse,$matches)) { |
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| 390 | $result['wind_dir'] = intval($matches[1]); |
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| 391 | $result['wind_speed'] = round($matches[2]*1.60934,1); |
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| 392 | $result['wind_gust'] = round($matches[3]*1.60934,1); |
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| 393 | $body_parse = substr($body_parse,strlen($matches[0])+1); |
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| 394 | } |
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| 395 | if (!isset($result['temp']) && strlen($body_parse) > 0 && preg_match('/^g([0-9]+)t(-?[0-9 \\.]{1,3})/',$body_parse,$matches)) { |
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| 396 | $result['temp'] = round(5/9*(($matches[1])-32),1); |
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| 397 | } |
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| 398 | } |
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| 399 | } else $result['comment'] = trim($body_parse); |
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| 400 | |||
| 401 | } |
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| 402 | //} |
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| 403 | if (isset($result['latitude'])) $result['latitude'] = round($result['latitude'],4); |
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| 404 | if (isset($result['longitude'])) $result['longitude'] = round($result['longitude'],4); |
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| 405 | if ($debug) print_r($result); |
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| 406 | return $result; |
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| 407 | } |
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| 408 | |||
| 518 | ?> |
Loading history...
This check looks for variable assignements that are either overwritten by other assignments or where the variable is not used subsequently.
Both the
$myVarassignment in line 1 and the$higherassignment in line 2 are dead. The first because$myVaris never used and the second because$higheris always overwritten for every possible time line.