PHP 5 compatibility

diff --git a/includes/ProxyTools.php b/includes/ProxyTools.php
index 24108aa..5e0f6dd 100644 (file)
--- a/includes/ProxyTools.php
+++ b/includes/ProxyTools.php
@@ -58,7 +58,7 @@ function wfGetIP() {
 /** */
 function wfIP2Unsigned( $ip ) {
        $n = ip2long( $ip );
-       if ( $n == -1 ) {
+       if ( $n == -1 || $n === false ) { # Return value on error depends on PHP version
                $n = false;
        } elseif ( $n < 0 ) {
                $n += pow( 2, 32 );