[#1] fengdingbo at gmail dot com [2013-08-14 04:56:11]

<?php
echo 1+2;
?>
qiufeng@ubuntu:~$ php -dvld.active=1 test.php 
Finding entry points
Branch analysis from position: 0
Return found
filename:       /home/qiufeng/test.php
function name:  (null)
number of ops:  3
compiled vars:  none
line     # *  op                           fetch          ext  return  operands
---------------------------------------------------------------------------------
   2     0  >   ADD                                              ~0      1, 2
         1      ECHO                                                     ~0
   3     2    > RETURN                                                   1

branch: #  0; line:     2-    3; sop:     0; eop:     2
path #1: 0,