gistfile1.txt

googleguy@googleguy-pc:~/aa/test$ php -dvld.active=1 /tmp/static.php
Finding entry points
Branch analysis from position: 0
Return found
filename:       /tmp/static.php
function name:  (null)
number of ops:  9
compiled vars:  none
line     # *  op                           fetch          ext  return  operands
---------------------------------------------------------------------------------
   2     0  >   NOP                                                      
   6     1      DO_FCALL                                      0  $0      'memory_get_usage'
         2      SEND_VAR_NO_REF                               6          $0
         3      DO_FCALL                                      1          'var_dump'
   7     4      DO_FCALL                                      0          'foo'
   8     5      DO_FCALL                                      0  $3      'memory_get_usage'
         6      SEND_VAR_NO_REF                               6          $3
         7      DO_FCALL                                      1          'var_dump'
   9     8    > RETURN                                                   1

branch: #  0; line:     2-    9; sop:     0; eop:     8
path #1: 0, 
Function foo:
Finding entry points
Branch analysis from position: 0
Return found
filename:       /tmp/static.php
function name:  foo
number of ops:  3
compiled vars:  !0 = $bar
line     # *  op                           fetch          ext  return  operands
---------------------------------------------------------------------------------
   3     0  >   FETCH_W                      static              $0      'bar'
         1      ASSIGN_REF                                               !0, $0
   4     2    > RETURN                                                   null

branch: #  0; line:     3-    4; sop:     0; eop:     2
path #1: 0, 
End of function foo.

int(227208)
int(227240)

static.php

<?php
function foo() {
    static $bar = "1234567890123456789012345678901234567890";
}

var_dump(memory_get_usage());
foo();
var_dump(memory_get_usage());