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<?php // @see https://bugs.php.net/bug.php?id=71972 session_id('sessiontest'); session_start(); $_SESSION['boogie'] = 1; $_SESSION['obj1'] = new stdClass(); for ( $x=2; $x < 20; $x++) { cyclic_ref($x); } function cyclic_ref($num) { $_SESSION['obj'.$num] = new stdClass(); $_SESSION['obj'.$num]->test = new stdClass(); $_SESSION['obj'.$num]->obj1 = $_SESSION['obj1']; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 15
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 15
2 jumps found. (Code = 44) Position 1 = 21, Position 2 = 15
Branch analysis from position: 21
Branch analysis from position: 15
filename:       /in/CgdNh
function name:  (null)
number of ops:  22
compiled vars:  !0 = $x
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
    3     0  E >   INIT_FCALL                                                   'session_id'
          1        SEND_VAL                                                     'sessiontest'
          2        DO_ICALL                                                     
    4     3        INIT_FCALL                                                   'session_start'
          4        DO_ICALL                                                     
    6     5        FETCH_W                          global              $3      '_SESSION'
          6        ASSIGN_DIM                                                   $3, 'boogie'
          7        OP_DATA                                                      1
    7     8        NEW                                                  $7      'stdClass'
          9        DO_FCALL                                          0          
         10        FETCH_W                          global              $5      '_SESSION'
         11        ASSIGN_DIM                                                   $5, 'obj1'
         12        OP_DATA                                                      $7
    8    13        ASSIGN                                                       !0, 2
         14      > JMP                                                          ->19
    9    15    >   INIT_FCALL_BY_NAME                                           'cyclic_ref'
         16        SEND_VAR_EX                                                  !0
         17        DO_FCALL                                          0          
    8    18        PRE_INC                                                      !0
         19    >   IS_SMALLER                                                   !0, 20
         20      > JMPNZ                                                        ~12, ->15
   16    21    > > RETURN                                                       1

Function cyclic_ref:
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/CgdNh
function name:  cyclic_ref
number of ops:  22
compiled vars:  !0 = $num
line      #* E I O op                               fetch          ext  return  operands
-----------------------------------------------------------------------------------------
   12     0  E >   RECV                                                 !0      
   13     1        CONCAT                                               ~2      'obj', !0
          2        NEW                                                  $4      'stdClass'
          3        DO_FCALL                                          0          
          4        FETCH_W                          global              $1      '_SESSION'
          5        ASSIGN_DIM                                                   $1, ~2
          6        OP_DATA                                                      $4
   14     7        CONCAT                                               ~7      'obj', !0
          8        NEW                                                  $10     'stdClass'
          9        DO_FCALL                                          0          
         10        FETCH_W                          global              $6      '_SESSION'
         11        FETCH_DIM_W                                          $8      $6, ~7
         12        ASSIGN_OBJ                                                   $8, 'test'
         13        OP_DATA                                                      $10
   15    14        CONCAT                                               ~13     'obj', !0
         15        FETCH_R                          global              ~16     '_SESSION'
         16        FETCH_DIM_R                                          ~17     ~16, 'obj1'
         17        FETCH_W                          global              $12     '_SESSION'
         18        FETCH_DIM_W                                          $14     $12, ~13
         19        ASSIGN_OBJ                                                   $14, 'obj1'
         20        OP_DATA                                                      ~17
   16    21      > RETURN                                                       null

End of function cyclic_ref

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