php dump op: check cli argument

git-svn-id: svn://svn.lighttpd.net/xcache/trunk@343 c26eb9a1-5813-0410-bd6c-c2e55f420ca7
16 years ago · 7081e28e4d
1 changed files with 3 additions and 0 deletions
--- a/phpdop.phpr
+++ b/phpdop.phpr
@ -87,6 +87,9 @@ function dump_class($name, $class, $indent = '')
 	}
 }

+if (!isset($argv[1])) {
+	die("Usage: $argv[0] <file>\n");
+}
 $pk = xcache_dasm_file($argv[1]);
 $op_array = $funcs = $classes = null;
 if (isset($pk['op_array'])) {