Raphaël G. Git Repositories - airbundle/blob - Command/WeatherCommand.php

   1 <?php
   2
   3 namespace Rapsys\AirBundle\Command;
   4
   5 use Doctrine\Bundle\DoctrineBundle\Command\DoctrineCommand;
   6 use Doctrine\Persistence\ManagerRegistry;
   7 use Symfony\Component\Console\Input\InputInterface;
   8 use Symfony\Component\Console\Output\OutputInterface;
   9 use Symfony\Component\Filesystem\Exception\IOException;
  10 use Symfony\Component\Filesystem\Filesystem;
  11
  12 use Rapsys\AirBundle\Entity\Session;
  13
  14 class WeatherCommand extends DoctrineCommand {
  15         //Set failure constant
  16         const FAILURE = 1;
  17
  18         ///Set success constant
  19         const SUCCESS = 0;
  20
  21         ///Set Tidy config
  22         private $config = [
  23                 //Mostly useless in fact
  24                 'indent' => true,
  25                 //Required to simplify simplexml transition
  26                 'output-xml' => true,
  27                 //Required to avoid xml errors
  28                 'quote-nbsp' => false,
  29                 //Required to fix code
  30                 'clean' => true
  31         ];
  32
  33         ///Set accuweather uris
  34         private $accuweather = [
  35                 //Hourly uri
  36                 'hourly' => [
  37                         75001 => 'https://www.accuweather.com/en/fr/paris-01-louvre/75001/hourly-weather-forecast/179142_pc?day=',
  38                         75004 => 'https://www.accuweather.com/en/fr/paris-04-hotel-de-ville/75004/hourly-weather-forecast/179145_pc?day=',
  39                         75005 => 'https://www.accuweather.com/en/fr/paris-05-pantheon/75005/hourly-weather-forecast/179146_pc?day=',
  40                         75006 => 'https://www.accuweather.com/fr/fr/paris-06-luxembourg/75006/hourly-weather-forecast/179147_pc?day=',
  41                         75007 => 'https://www.accuweather.com/en/fr/paris-07-palais-bourbon/75007/hourly-weather-forecast/179148_pc?day=',
  42                         75009 => 'https://www.accuweather.com/en/fr/paris-09-opera/75009/hourly-weather-forecast/179150_pc?day=',
  43                         75013 => 'https://www.accuweather.com/en/fr/paris-13-gobelins/75013/hourly-weather-forecast/179154_pc?day=',
  44                         75015 => 'https://www.accuweather.com/en/fr/paris-15-vaugirard/75015/hourly-weather-forecast/179156_pc?day=',
  45                         75019 => 'https://www.accuweather.com/en/fr/paris-19-buttes-chaumont/75019/hourly-weather-forecast/179160_pc?day=',
  46                         75116 => 'https://www.accuweather.com/en/fr/paris-16-passy/75116/hourly-weather-forecast/179246_pc?day='
  47                 ],
  48                 //Daily uri
  49                 'daily' => [
  50                         75001 => 'https://www.accuweather.com/en/fr/paris-01-louvre/75001/daily-weather-forecast/179142_pc',
  51                         75004 => 'https://www.accuweather.com/en/fr/paris-04-hotel-de-ville/75004/daily-weather-forecast/179145_pc',
  52                         75005 => 'https://www.accuweather.com/en/fr/paris-05-pantheon/75005/daily-weather-forecast/179146_pc',
  53                         75006 => 'https://www.accuweather.com/fr/fr/paris-06-luxembourg/75006/daily-weather-forecast/179147_pc',
  54                         75007 => 'https://www.accuweather.com/en/fr/paris-07-palais-bourbon/75007/daily-weather-forecast/179148_pc',
  55                         75009 => 'https://www.accuweather.com/en/fr/paris-09-opera/75009/daily-weather-forecast/179150_pc',
  56                         75013 => 'https://www.accuweather.com/en/fr/paris-13-gobelins/75013/daily-weather-forecast/179154_pc',
  57                         75015 => 'https://www.accuweather.com/en/fr/paris-15-vaugirard/75015/daily-weather-forecast/179156_pc',
  58                         75019 => 'https://www.accuweather.com/en/fr/paris-19-buttes-chaumont/75019/daily-weather-forecast/179160_pc',
  59                         75116 => 'https://www.accuweather.com/en/fr/paris-16-passy/75116/daily-weather-forecast/179246_pc'
  60                 ]
  61         ];
  62
  63         ///Set curl handler
  64         private $ch = null;
  65
  66         ///Set manager registry
  67         private $doctrine;
  68
  69         ///Set filesystem
  70         private $filesystem;
  71
  72         ///Weather command constructor
  73         public function __construct(ManagerRegistry $doctrine, Filesystem $filesystem) {
  74                 parent::__construct($doctrine);
  75
  76                 //Set entity manager
  77                 $this->doctrine = $doctrine;
  78
  79                 //Set filesystem
  80                 $this->filesystem = $filesystem;
  81         }
  82
  83         ///Configure attribute command
  84         protected function configure() {
  85                 //Configure the class
  86                 $this
  87                         //Set name
  88                         ->setName('rapsysair:weather')
  89                         //Set description shown with bin/console list
  90                         ->setDescription('Updates session rain and temperature fields')
  91                         //Set description shown with bin/console --help airlibre:attribute
  92                         ->setHelp('This command updates session rain and temperature fields in next three days')
  93                         //Add daily and hourly aliases
  94                         ->setAliases(['rapsysair:weather:daily', 'rapsysair:weather:hourly']);
  95         }
  96
  97         ///Process the attribution
  98         protected function execute(InputInterface $input, OutputInterface $output) {
  99                 //Kernel object
 100                 $kernel = $this->getApplication()->getKernel();
 101
 102                 //Tmp directory
 103                 $tmpdir = $kernel->getContainer()->getParameter('kernel.project_dir').'/var/cache/weather';
 104
 105                 //Set tmpdir
 106                 //XXX: worst case scenario we have 3 files per zipcode plus daily
 107                 if (!is_dir($tmpdir)) {
 108                         try {
 109                                 //Create dir
 110                                 $this->filesystem->mkdir($tmpdir, 0775);
 111                         } catch (IOException $exception) {
 112                                 //Display error
 113                                 echo 'Create dir '.$exception->getPath().' failed'."\n";
 114
 115                                 //Exit with failure
 116                                 exit(self::FAILURE);
 117                         }
 118                 }
 119
 120                 //Cleanup kernel
 121                 unset($kernel);
 122
 123                 //Tidy object
 124                 $tidy = new \tidy();
 125
 126                 //Init zipcodes array
 127                 $zipcodes = [];
 128
 129                 //Init types
 130                 $types = [];
 131
 132                 //Process hourly accuweather
 133                 if (($command = $input->getFirstArgument()) == 'rapsysair:weather:hourly' || $command == 'rapsysair:weather') {
 134                         //Fetch hourly sessions to attribute
 135                         $types['hourly'] = $this->doctrine->getRepository(Session::class)->findAllPendingHourlyWeather();
 136
 137                         //Iterate on each session
 138                         foreach($types['hourly'] as $sessionId => $session) {
 139                                 //Get zipcode
 140                                 $zipcode = $session->getLocation()->getZipcode();
 141
 142                                 //Get start
 143                                 $start = $session->getStart();
 144
 145                                 //Set start day
 146                                 $day = $start->diff((new \DateTime('now'))->setTime(0, 0, 0))->d + 1;
 147
 148                                 //Check if zipcode is set
 149                                 if (!isset($zipcodes[$zipcode])) {
 150                                         $zipcodes[$zipcode] = [];
 151                                 }
 152
 153                                 //Check if zipcode date is set
 154                                 if (!isset($zipcodes[$zipcode][$day])) {
 155                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 156                                 } else {
 157                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 158                                 }
 159
 160                                 //Get stop
 161                                 $stop = $session->getStop();
 162
 163                                 //Set stop day
 164                                 $day = $stop->diff((new \DateTime('now'))->setTime(0, 0, 0))->d + 1;
 165
 166                                 //Check if zipcode date is set
 167                                 if (!isset($zipcodes[$zipcode][$day])) {
 168                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 169                                 } else {
 170                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 171                                 }
 172                         }
 173                 }
 174
 175                 //Process daily accuweather
 176                 if ($command == 'rapsysair:weather:daily' || $command == 'rapsysair:weather') {
 177                         //Fetch daily sessions to attribute
 178                         $types['daily'] = $this->doctrine->getRepository(Session::class)->findAllPendingDailyWeather();
 179
 180                         //Iterate on each session
 181                         foreach($types['daily'] as $sessionId => $session) {
 182                                 //Get zipcode
 183                                 $zipcode = $session->getLocation()->getZipcode();
 184
 185                                 //Get start
 186                                 $start = $session->getStart();
 187
 188                                 //Set start day
 189                                 $day = 'daily';
 190
 191                                 //Check if zipcode is set
 192                                 if (!isset($zipcodes[$zipcode])) {
 193                                         $zipcodes[$zipcode] = [];
 194                                 }
 195
 196                                 //Check if zipcode date is set
 197                                 if (!isset($zipcodes[$zipcode][$day])) {
 198                                         $zipcodes[$zipcode][$day] = [ $sessionId => $sessionId ];
 199                                 } else {
 200                                         $zipcodes[$zipcode][$day][$sessionId] = $sessionId;
 201                                 }
 202                         }
 203                 }
 204
 205                 //Init curl
 206                 $this->curl_init();
 207
 208                 //Init data array
 209                 $data = [];
 210
 211                 //Iterate on zipcodes
 212                 foreach($zipcodes as $zipcode => $days) {
 213                         //Iterate on days
 214                         foreach($days as $day => $null) {
 215                                 //Try to load content from cache
 216                                 if (!is_file($file = $tmpdir.'/'.$zipcode.'.'.$day.'.html') || stat($file)['ctime'] <= (time() - ($day == 'daily' ? 4 : 2)*3600) || ($content = file_get_contents($file)) === false) {
 217                                         //Prevent timing detection
 218                                         //XXX: from 0.1 to 5 seconds
 219                                         usleep(rand(1,50) * 100000);
 220
 221                                         //Get content
 222                                         //TODO: for daily we may load data for requested quarter of the day
 223                                         $content = $this->curl_get($day == 'daily' ? $this->accuweather['daily'][$zipcode] : $this->accuweather['hourly'][$zipcode].$day);
 224
 225                                         //Store it
 226                                         if (file_put_contents($tmpdir.'/'.$zipcode.'.'.$day.'.html', $content) === false) {
 227                                                 //Display error
 228                                                 echo 'Write to '.$tmpdir.'/'.$zipcode.'.'.$day.'.html failed'."\n";
 229
 230                                                 //Exit with failure
 231                                                 exit(self::FAILURE);
 232                                         }
 233                                 }
 234
 235                                 //Parse string
 236                                 $tidy->parseString($content, $this->config, 'utf8');
 237
 238                                 //Fix error buffer
 239                                 //XXX: don't care about theses errors, tidy is here to fix...
 240                                 #if (!empty($tidy->errorBuffer)) {
 241                                 #       var_dump($tidy->errorBuffer);
 242                                 #       die('Tidy errors');
 243                                 #}
 244
 245                                 //Load simplexml
 246                                 //XXX: trash all xmlns= broken tags
 247                                 $sx = new \SimpleXMLElement(str_replace(['xmlns=', 'xlink:href='], ['xns=', 'href='], $tidy));
 248
 249                                 //Process daily
 250                                 if ($day == 'daily') {
 251                                         //Iterate on each link containing data
 252                                         foreach($sx->xpath('//a[contains(@class,"daily-forecast-card")]') as $node) {
 253                                                 //Get date
 254                                                 $dsm = trim($node->div[0]->h2[0]->span[1]);
 255
 256                                                 //Get temperature
 257                                                 $temperature = str_replace('°', '', $node->div[0]->div[0]->span[0]);
 258
 259                                                 //Get rainrisk
 260                                                 $rainrisk = str_replace('%', '', trim($node->div[2]))/100;
 261
 262                                                 //Store data
 263                                                 $data[$zipcode][$dsm]['daily'] = [
 264                                                         'temperature' => $temperature,
 265                                                         'rainrisk' => $rainrisk
 266                                                 ];
 267                                         }
 268                                 //Process hourly
 269                                 } else {
 270                                         //Iterate on each div containing data
 271                                         #(string)$sx->xpath('//div[@class="hourly-card-nfl"]')[0]->attributes()->value
 272                                         #/html/body/div[1]/div[5]/div[1]/div[1]/div[1]/div[1]/div[1]/div/h2/span[1]
 273                                         foreach($sx->xpath('//div[@data-shared="false"]') as $node) {
 274                                                 //Get hour
 275                                                 $hour = trim(str_replace(' h', '', $node->div[0]->div[0]->div[0]->h2[0]->span[0]));
 276
 277                                                 //Compute dsm from day (1=d,2=d+1,3=d+2)
 278                                                 $dsm = (new \DateTime('+'.($day - 1).' day'))->format('d/m');
 279
 280                                                 //Get temperature
 281                                                 $temperature = str_replace('°', '', $node->div[0]->div[0]->div[0]->div[0]);
 282
 283                                                 //Get realfeel
 284                                                 $realfeel = trim(str_replace(['RealFeel®', '°'], '', $node->div[0]->div[0]->div[1]->div[0]->div[0]->div[0]));
 285
 286                                                 //Get rainrisk
 287                                                 $rainrisk = floatval(str_replace('%', '', trim($node->div[0]->div[0]->div[2]->div[0]))/100);
 288
 289                                                 //Set rainfall to 0 (mm)
 290                                                 $rainfall = 0;
 291
 292                                                 //Iterate on each entry
 293                                                 //TODO: wind and other infos are present in $node->div[1]->div[0]->div[1]->div[0]->p
 294                                                 foreach($node->div[1]->div[0]->div[1]->div[1]->p as $p) {
 295                                                         //Lookup for rain entry if present
 296                                                         if (trim($p) == 'Rain') {
 297                                                                 //Get rainfall
 298                                                                 $rainfall = floatval(str_replace(' mm', '', $p->span[0]));
 299                                                         }
 300                                                 }
 301
 302                                                 //Store data
 303                                                 $data[$zipcode][$dsm][$hour] = [
 304                                                         'temperature' => $temperature,
 305                                                         'realfeel' => $realfeel,
 306                                                         'rainrisk' => $rainrisk,
 307                                                         'rainfall' => $rainfall
 308                                                 ];
 309                                         }
 310                                 }
 311
 312                                 //Cleanup
 313                                 unset($sx);
 314                         }
 315                 }
 316
 317                 //Iterate on types
 318                 foreach($types as $type => $sessions) {
 319                         //Iterate on each type
 320                         foreach($sessions as $sessionId => $session) {
 321                                 //Get zipcode
 322                                 $zipcode = $session->getLocation()->getZipcode();
 323
 324                                 //Get start
 325                                 $start = $session->getStart();
 326
 327                                 //Daily type
 328                                 if ($type == 'daily') {
 329                                         //Set period
 330                                         $period = [ $start ];
 331                                 //Hourly type
 332                                 } else {
 333                                         //Get stop
 334                                         $stop = $session->getStop();
 335
 336                                         //Compute period
 337                                         $period = new \DatePeriod(
 338                                                 //Start from begin
 339                                                 $start,
 340                                                 //Iterate on each hour
 341                                                 new \DateInterval('PT1H'),
 342                                                 //End with begin + length
 343                                                 $stop
 344                                         );
 345                                 }
 346
 347                                 //Set meteo
 348                                 $meteo = [
 349                                         'rainfall' => null,
 350                                         'rainrisk' => null,
 351                                         'realfeel' => [],
 352                                         'realfeelmin' => null,
 353                                         'realfeelmax' => null,
 354                                         'temperature' => [],
 355                                         'temperaturemin' => null,
 356                                         'temperaturemax' => null
 357                                 ];
 358
 359                                 //Iterate on the period
 360                                 foreach($period as $time) {
 361                                         //Set dsm
 362                                         $dsm = $time->format('d/m');
 363
 364                                         //Set hour
 365                                         $hour = $type=='daily'?$type:$time->format('H');
 366
 367                                         //Check data availability
 368                                         //XXX: sometimes startup delay causes weather data to be unavailable for session first hour
 369                                         if (!isset($data[$zipcode][$dsm][$hour])) {
 370                                                 //Skip unavailable data
 371                                                 continue;
 372                                         }
 373
 374                                         //Set info alias
 375                                         $info = $data[$zipcode][$dsm][$hour];
 376
 377                                         //Check if rainrisk is higher
 378                                         if ($meteo['rainrisk'] === null || $info['rainrisk'] > $meteo['rainrisk']) {
 379                                                 //Set highest rain risk
 380                                                 $meteo['rainrisk'] = floatval($info['rainrisk']);
 381                                         }
 382
 383                                         //Check if rainfall is set
 384                                         if (isset($info['rainfall'])) {
 385                                                 //Set rainfall sum
 386                                                 $meteo['rainfall'] += floatval($info['rainfall']);
 387                                         }
 388
 389                                         //Add temperature
 390                                         $meteo['temperature'][$hour] = $info['temperature'];
 391
 392                                         //Hourly type
 393                                         if ($type != 'daily') {
 394                                                 //Check min temperature
 395                                                 if ($meteo['temperaturemin'] === null || $info['temperature'] < $meteo['temperaturemin']) {
 396                                                         $meteo['temperaturemin'] = floatval($info['temperature']);
 397                                                 }
 398
 399                                                 //Check max temperature
 400                                                 if ($meteo['temperaturemax'] === null || $info['temperature'] > $meteo['temperaturemax']) {
 401                                                         $meteo['temperaturemax'] = floatval($info['temperature']);
 402                                                 }
 403                                         }
 404
 405                                         //Check if realfeel is set
 406                                         if (isset($info['realfeel'])) {
 407                                                 //Add realfeel
 408                                                 $meteo['realfeel'][$hour] = $info['realfeel'];
 409
 410                                                 //Check min realfeel
 411                                                 if ($meteo['realfeelmin'] === null || $info['realfeel'] < $meteo['realfeelmin']) {
 412                                                         $meteo['realfeelmin'] = floatval($info['realfeel']);
 413                                                 }
 414
 415                                                 //Check max realfeel
 416                                                 if ($meteo['realfeelmax'] === null || $info['realfeel'] > $meteo['realfeelmax']) {
 417                                                         $meteo['realfeelmax'] = floatval($info['realfeel']);
 418                                                 }
 419                                         }
 420                                 }
 421
 422                                 //Check if rainfall is set and differ
 423                                 if ($session->getRainfall() !== $meteo['rainfall']) {
 424                                         //Set rainfall
 425                                         $session->setRainfall($meteo['rainfall']);
 426                                 }
 427
 428                                 //Check if rainrisk differ
 429                                 if ($session->getRainrisk() !== $meteo['rainrisk']) {
 430                                         //Set rainrisk
 431                                         $session->setRainrisk($meteo['rainrisk']);
 432                                 }
 433
 434                                 //Check realfeel array
 435                                 if ($meteo['realfeel'] !== []) {
 436                                         //Compute realfeel
 437                                         $realfeel = floatval(round(array_sum($meteo['realfeel'])/count($meteo['realfeel']),1));
 438
 439                                         //Check if realfeel differ
 440                                         if ($session->getRealfeel() !== $realfeel) {
 441                                                 //Set average realfeel
 442                                                 #$meteo['realfeel'] = array_sum($meteo['realfeel'])/count($meteo['realfeel']);
 443                                                 $session->setRealfeel($realfeel);
 444                                         }
 445
 446                                         //Check if realfeelmin differ
 447                                         if ($session->getRealfeelmin() !== $meteo['realfeelmin']) {
 448                                                 //Set realfeelmin
 449                                                 $session->setRealfeelmin($meteo['realfeelmin']);
 450                                         }
 451
 452                                         //Check if realfeelmax differ
 453                                         if ($session->getRealfeelmax() !== $meteo['realfeelmax']) {
 454                                                 //Set realfeelmax
 455                                                 $session->setRealfeelmax($meteo['realfeelmax']);
 456                                         }
 457                                 }
 458
 459                                 //Check temperature array
 460                                 if ($meteo['temperature'] !== []) {
 461                                         //Compute temperature
 462                                         $temperature = floatval(round(array_sum($meteo['temperature'])/count($meteo['temperature']),1));
 463
 464                                         //Check if temperature differ
 465                                         if ($session->getTemperature() !== $temperature) {
 466                                                 //Set average temperature
 467                                                 #$meteo['temperature'] = array_sum($meteo['temperature'])/count($meteo['temperature']);
 468                                                 $session->setTemperature($temperature);
 469                                         }
 470
 471                                         //Check if temperaturemin differ
 472                                         if ($session->getTemperaturemin() !== $meteo['temperaturemin']) {
 473                                                 //Set temperaturemin
 474                                                 $session->setTemperaturemin($meteo['temperaturemin']);
 475                                         }
 476
 477                                         //Check if temperaturemax differ
 478                                         if ($session->getTemperaturemax() !== $meteo['temperaturemax']) {
 479                                                 //Set temperaturemax
 480                                                 $session->setTemperaturemax($meteo['temperaturemax']);
 481                                         }
 482                                 }
 483                         }
 484                 }
 485
 486                 //Flush to get the ids
 487                 $this->doctrine->getManager()->flush();
 488
 489                 //Close curl handler
 490                 $this->curl_close();
 491
 492                 //Return success
 493                 return self::SUCCESS;
 494         }
 495
 496         /**
 497          * Init curl handler
 498          *
 499          * @return bool|void Return success or exit
 500          */
 501         function curl_init() {
 502                 //Init curl
 503                 if (($this->ch = curl_init()) === false) {
 504                         //Display error
 505                         echo 'Curl init failed: '.curl_error($this->ch)."\n";
 506                         //Exit with failure
 507                         exit(self::FAILURE);
 508                 }
 509
 510                 //Set curl options
 511                 if (
 512                         curl_setopt_array(
 513                                 $this->ch,
 514                                 [
 515                                         //Force http2
 516                                         CURLOPT_HTTP_VERSION => CURL_HTTP_VERSION_2_0,
 517                                         //Set http headers
 518                                         CURLOPT_HTTPHEADER => [
 519                                                 //XXX: it seems that you can disable akamai fucking protection with Pragma: akamai-x-cache-off
 520                                                 //XXX: see https://support.globaldots.com/hc/en-us/articles/115003996705-Akamai-Pragma-Headers-overview
 521                                                 #'Pragma: akamai-x-cache-off',
 522                                                 //XXX: working curl command
 523                                                 #curl --http2 --cookie file.jar --cookie-jar file.jar -v -i -k -H 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9' -H 'Accept-Language: en-GB,en;q=0.9' -H 'Cache-Control: no-cache' -H 'Connection: keep-alive' -H 'Host: www.accuweather.com' -H 'Pragma: no-cache' -H 'Upgrade-Insecure-Requests: 1' -H 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36' 'https://www.accuweather.com/'
 524                                                 //Set accept
 525                                                 'Accept: text/html,application/xhtml+xml,application/xml;q=0.9,image/avif,image/webp,image/apng,*/*;q=0.8,application/signed-exchange;v=b3;q=0.9',
 526                                                 //Set accept language
 527                                                 'Accept-Language: en-GB,en;q=0.9',
 528                                                 //Disable cache
 529                                                 'Cache-Control: no-cache',
 530                                                 //Keep connection alive
 531                                                 'Connection: keep-alive',
 532                                                 //Disable cache
 533                                                 'Pragma: no-cache',
 534                                                 //Force secure requests
 535                                                 'Upgrade-Insecure-Requests: 1',
 536                                                 //Set user agent
 537                                                 'User-Agent: Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/86.0.4240.198 Safari/537.36',
 538                                                 //Force akamai cookie
 539                                                 //XXX: seems to come from http request
 540                                                 'Cookie: AKA_A2=A',
 541                                         ],
 542                                         //Enable cookie
 543                                         CURLOPT_COOKIEFILE => '',
 544                                         //Disable location following
 545                                         CURLOPT_FOLLOWLOCATION => false,
 546                                         //Set url
 547                                         #CURLOPT_URL => $url = 'https://www.accuweather.com/',
 548                                         //Return headers too
 549                                         CURLOPT_HEADER => true,
 550                                         //Return content
 551                                         CURLOPT_RETURNTRANSFER => true,
 552
 553                                         //XXX: debug
 554                                         CURLINFO_HEADER_OUT => true
 555                                 ]
 556                         ) === false
 557                 ) {
 558                         //Display error
 559                         echo 'Curl setopt array failed: '.curl_error($this->ch)."\n";
 560                         //Exit with failure
 561                         exit(self::FAILURE);
 562                 }
 563
 564                 //Return success
 565                 return true;
 566         }
 567
 568         /**
 569          * Get url
 570          *
 571          * @return string|void Return url content or exit
 572          */
 573         function curl_get($url) {
 574                 //Set url to fetch
 575                 if (curl_setopt($this->ch, CURLOPT_URL, $url) === false) {
 576                         //Display error
 577                         echo 'Setopt for '.$url.' failed: '.curl_error($this->ch)."\n";
 578
 579                         //Close curl handler
 580                         curl_close($this->ch);
 581
 582                         //Exit with failure
 583                         exit(self::FAILURE);
 584                 }
 585
 586                 //Check return status
 587                 if (($response = curl_exec($this->ch)) === false) {
 588                         //Display error
 589                         echo 'Get for '.$url.' failed: '.curl_error($this->ch)."\n";
 590
 591                         //Display sent headers
 592                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 593
 594                         //Display response
 595                         var_dump($response);
 596
 597                         //Close curl handler
 598                         curl_close($this->ch);
 599
 600                         //Exit with failure
 601                         exit(self::FAILURE);
 602                 }
 603
 604                 //Get header size
 605                 if (empty($hs = curl_getinfo($this->ch, CURLINFO_HEADER_SIZE))) {
 606                         //Display error
 607                         echo 'Getinfo for '.$url.' failed: '.curl_error($this->ch)."\n";
 608
 609                         //Display sent headers
 610                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 611
 612                         //Display response
 613                         var_dump($response);
 614
 615                         //Close curl handler
 616                         curl_close($this->ch);
 617
 618                         //Exit with failure
 619                         exit(self::FAILURE);
 620                 }
 621
 622                 //Get header
 623                 if (empty($header = substr($response, 0, $hs))) {
 624                         //Display error
 625                         echo 'Header for '.$url.' empty: '.curl_error($this->ch)."\n";
 626
 627                         //Display sent headers
 628                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 629
 630                         //Display response
 631                         var_dump($response);
 632
 633                         //Close curl handler
 634                         curl_close($this->ch);
 635
 636                         //Exit with failure
 637                         exit(self::FAILURE);
 638                 }
 639
 640                 //Check request success
 641                 if (strlen($header) <= 10 || substr($header, 0, 10) !== 'HTTP/2 200') {
 642                         //Display error
 643                         echo 'Status for '.$url.' failed: '.curl_error($this->ch)."\n";
 644
 645                         //Display sent headers
 646                         var_dump(curl_getinfo($this->ch, CURLINFO_HEADER_OUT));
 647
 648                         //Display response
 649                         var_dump($header);
 650
 651                         //Close curl handler
 652                         curl_close($this->ch);
 653
 654                         //Exit with failure
 655                         exit(self::FAILURE);
 656                 }
 657
 658                 //Return content
 659                 return substr($response, $hs);
 660         }
 661
 662         /**
 663          * Close curl handler
 664          *
 665          * @return bool Return success or failure
 666          */
 667         function curl_close() {
 668                 return curl_close($this->ch);
 669         }
 670 }