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Sparql request with CURL

/ Published in: PHP
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  1. public function executeGetLocation(sfWebRequest $request)
  2. 	{
  3. 		$ressource = $request->getParameter('ressource');
  4. 		if(!empty($ressource))
  5. 		{
  6. 			$query = "SELECT ?location WHERE {{ <"
  7. 			. $ressource
  8. 			. "> <http://dbpedia.org/ontology/locationCity> ?location }}";
  9.  
  10. 			$searchUrl = 'http://dbpedia.org/sparql?'
  11. 			. 'query='.urlencode($query)
  12. 			. '&format=json';
  13.  
  14. 			if (!function_exists('curl_init')){
  15. 				die('CURL is not installed!');
  16. 			}
  17.  
  18. 			$ch= curl_init();
  19. 			curl_setopt($ch, CURLOPT_URL, $searchUrl);
  20. 			curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
  21. 			$response = curl_exec($ch);
  22. 			curl_close($ch);
  23.  
  24. 			return $this->renderText( json_encode($response));
  25. 		}

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