Fixed generate_array_diff().

diff --git a/run-tests.php b/run-tests.php
index 026a543051fd49e1e61292db234e311af501e826..dbd74eba10fc24368bc92e21cd82c03609c89462 100755 (executable)
--- a/run-tests.php
+++ b/run-tests.php
@@ -1039,23 +1039,19 @@ function generate_array_diff($ar1,$ar2,$is_reg,$w)
                if ($k1 == $l1+1 || $k2 === NULL) {
                        $l1 = $k1;
                        $diff[] = current($old1);
-                       next($old1);
-                       $k1 = key($old1);
+                       $k1 = next($old1) ? key($old1) : NULL;
                } else if ($k2 == $l2+1 || $k1 === NULL) {
                        $l2 = $k2;
                        $diff[] = current($old2);
-                       next($old2);
-                       $k2 = key($old2);
+                       $k2 = next($old2) ? key($old2) : NULL;
                } else if ($k1 < $k2) {
                        $l1 = $k1;
                        $diff[] = current($old1);
-                       next($old1);
-                       $k1 = key($old1);
+                       $k1 = next($old1) ? key($old1) : NULL;
                } else {
                        $l2 = $k2;
                        $diff[] = current($old2);
-                       next($old2);
-                       $k2 = key($old2);
+                       $k2 = next($old2) ? key($old2) : NULL;
                }
        }
        while ($idx1 < $cnt1) {