add support for using curl if available

classes/PluginWonderful.php

@@ -18,7 +18,15 @@ class PluginWonderful {
    * Wrapper around file_get_contents for testing purposes.
    */
   function _retrieve_url($url) {
-    return @file_get_contents($url);
+    if (extension_loaded('curl')) {
+      $ch = curl_init($url);
+      curl_setopt($ch, CURLOPT_RETURNTRANSFER,1);
+      $result = curl_exec($ch);
+      curl_close($ch); 
+      return $result;
+    } else {
+      return @file_get_contents($url);
+    }
   }
 
   function _setup_actions() {

plugin-wonderful.php

@@ -3,7 +3,7 @@
 Plugin Name: Plugin Wonderful
 Plugin URI: http://www.coswellproductions.com/wordpress/wordpress-plugins/
 Description: Easily embed a Project Wonderful publisher's advertisements.
-Version: 0.5.1
+Version: 0.5.2
 Author: John Bintz
 Author URI: http://www.coswellproductions.com/wordpress/
 

readme.txt

@@ -3,7 +3,7 @@ Contributors: johncoswell
 Tags: ads, sidebar, widget
 Requires at least: 2.7
 Tested up to: 2.8
-Stable tag: 0.5.1
+Stable tag: 0.5.2
 Donate link: http://www.coswellproductions.com/wordpress/wordpress-plugins/
 
 Plugin Wonderful lets Project Wonderful publishers quickly and easily add their adboxes to thier WordPress site.