output

derick@singlemalt:~$ php -n -dzend_extension=opcache.so -dextension=vld.so -dvld.active=1 /tmp/fasdf.php 
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 1, Position 2 = 2
Branch analysis from position: 1
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 2
filename:       /tmp/fasdf.php
function name:  (null)
number of ops:  3
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   2     0  E > > JMPZ                                                     <false>, ->2
   4     1    >   DECLARE_FUNCTION                                         'foo'
   8     2    > > RETURN                                                   1

branch: #  0; line:     2-    2; sop:     0; eop:     0; out0:   1; out1:   2
branch: #  1; line:     4-    8; sop:     1; eop:     1; out0:   2
branch: #  2; line:     8-    8; sop:     2; eop:     2; out0:  -2
path #1: 0, 1, 2, 
path #2: 0, 2, 
Function %00foo%2Ftmp%2Ffasdf.php%3A4%240:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /tmp/fasdf.php
function name:  foo
number of ops:  2
compiled vars:  none
line     #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   5     0  E >   ECHO                                                     'PHP+5'
   6     1      > RETURN                                                   null

branch: #  0; line:     5-    6; sop:     0; eop:     1; out0:  -2
path #1: 0, 
End of function %00foo%2Ftmp%2Ffasdf.php%3A4%240

script.php

<?php
if ( PHP_MAJOR_VERSION ==  5)
{
	function foo () {
		echo "PHP 5";
	}
}