Merge pull request #8 from skorasaurus/curl

replace file_get_contents with curl function

php/cartodbProxy.php

@@ -1,14 +1,31 @@
 <?php
 session_cache_limiter('nocache');
 $cache_limiter = session_cache_limiter();
+
+function url_get_contents ($inputURL) {
+    if (!function_exists('curl_init')){ 
+        exit('Sorry, CURL is not installed on your server.');
+    }
+    $ch = curl_init();
+
+    $options = array(CURLOPT_URL => $inputURL,
+                 CURLOPT_RETURNTRANSFER => true
+                );
+
+    curl_setopt_array($ch, $options);
+    $output = curl_exec($ch);
+    curl_close($ch);
+    return $output;
+}
+
 function goProxy($dataURL) 
 {
 	$baseURL = 'http://CARTODB-USER-NAME.cartodb.com/api/v2/sql?';
 	//  					^ CHANGE THE 'CARTODB-USER-NAME' to your cartoDB url!
 	$api = '&api_key=';
 	//				 ^ENTER YOUR API KEY HERE!
 	$url = $baseURL.'q='.urlencode($dataURL).$api;
-	$result = file_get_contents ($url);
+	$result = url_get_contents ($url);
 	return $result;
 }
 ?>