tweeper.php: make it clearer that getUrlContents is a static method

diff --git a/tweeper.php b/tweeper.php
index f7d619e..1836a2a 100644 (file)
--- a/tweeper.php
+++ b/tweeper.php
@@ -205,7 +205,7 @@ class Tweeper {
       return NULL;
     }
 
-    $stylesheet_contents = $this->getUrlContents($stylesheet);
+    $stylesheet_contents = Tweeper::getUrlContents($stylesheet);
 
     $xslDoc = new DOMDocument();
     $xslDoc->loadXML($stylesheet_contents);
@@ -319,7 +319,7 @@ class Tweeper {
       return NULL;
     }
 
-    $html = $this->getUrlContents($src_url);
+    $html = Tweeper::getUrlContents($src_url);
     if (FALSE === $html) {
       return NULL;
     }