Update examples to new parameter handling

diff --git a/ext/spl/examples/directorytree.php b/ext/spl/examples/directorytree.php
index ff644f66021fd494032a7383f502983b654ebb8e..c8df48db984c78ceab416df2ba10718972d92f4d 100755 (executable)
--- a/ext/spl/examples/directorytree.php
+++ b/ext/spl/examples/directorytree.php
@@ -22,7 +22,7 @@ EOF;
        exit(1);
 }
 
-$length = $argc > 3 ? $argv[3] : NULL;
+$length = $argc > 3 ? $argv[3] : -1;
 
 foreach(new LimitIterator(new DirectoryTreeIterator($argv[1]), @$argv[2], $length) as $file) {
 //foreach(new DirectoryTreeIterator($argv[1]) as $file) {