Online PHP editor | rfc for 6BJho

@ 2015-09-10T20:41:27Z

<?php
   // Weather Scraper

   // Fetch the page for the city
   $contents = file_get_contents('http://www.weather-forecast.com/locations/Bend/forecasts/latest');

   // Extract the 3 day Weather

   // The following pattern will yeild forecast in $matches[1] as of September 10, 2015 in the U.S.A.
   // However the multiple <span> blocks may possibly change causing this logic to fail in the future.
   $pattern = '/3 Day Weather Forecast Summary:<\/b><span class="read-more-small"><span class="read-more-content"> <span class="phrase">(.*?)</s';
   preg_match( $pattern, $contents, $matches);
   $forecast1 = $matches[1];

   // Instead, let's take a hopefully more robust approach and extract the forecast from $matches[0] using a less <span> intensive pattern
   // Note 1: We separately keep track of the search prefix, so we can remove this from the beginning of $matches[0].
   // Note 2: We end the search on pattern not with '<', but with '<\/span' because we need to make sure we search to the first closing </span>
   $patternPrefix = '3 Day Weather Forecast Summary:';
   $pattern = '/' . $patternPrefix . '(.*?)<\/span/s';
   preg_match( $pattern, $contents, $matches);
   // $matches[0] starts with the $patternPrefix, so remove that from the beginning.
   $forecast2 = trim( substr($matches[0], strlen($patternPrefix)) );

echo $forecast1;
echo $forecast2;

Output for git.master, git.master_jit, rfc.property-hooks: Warning: file_get_contents(): php_network_getaddresses: getaddrinfo for www.weather-forecast.com failed: System error in /in/6BJho on line 5 Warning: file_get_contents(http://www.weather-forecast.com/locations/Bend/forecasts/latest): Failed to open stream: php_network_getaddresses: getaddrinfo for www.weather-forecast.com failed: System error in /in/6BJho on line 5 Warning: Undefined array key 1 in /in/6BJho on line 13 Warning: Undefined array key 0 in /in/6BJho on line 22 Deprecated: substr(): Passing null to parameter #1 ($string) of type string is deprecated in /in/6BJho on line 22

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