Index: functions.php
===================================================================
--- functions.php	(revision 18750)
+++ functions.php	(working copy)
@@ -4398,6 +4398,14 @@
  * @param string $context If specified adds filter hook "extra_{$context}_headers"
  */
 function get_file_data( $file, $default_headers, $context = '' ) {
+
+	//check if web host enabled allow_url_fopen
+	$php_ini = ini_get('allow_url_fopen');
+	if($php_ini == '' || $php_ini == 0){
+	   $file_data = array();
+	   return $file_data;
+	}
+
 	// We don't need to write to the file, so just open for reading.
 	$fp = fopen( $file, 'r' );