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<?php $list = array("A","B","C","D"); $list_same1 = $list; $list_same2 = $list; item2($list_same1); function item2($list) { foreach ($list as $var) { print(current($list)); } } echo "--- same code ---\n"; foreach ($list_same2 as $var) { print(current($list_same2)); } ?>
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 8, Position 2 = 14
Branch analysis from position: 8
2 jumps found. (Code = 78) Position 1 = 9, Position 2 = 14
Branch analysis from position: 9
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Branch analysis from position: 14
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 14
filename:       /in/C5odG
function name:  (null)
number of ops:  16
compiled vars:  !0 = $list, !1 = $list_same1, !2 = $list_same2, !3 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        ASSIGN                                                   !1, !0
    5     2        ASSIGN                                                   !2, !0
    8     3        INIT_FCALL_BY_NAME                                       'item2'
          4        SEND_VAR_EX                                              !1
          5        DO_FCALL                                      0          
   18     6        ECHO                                                     '---+same+code+---%0A'
   20     7      > FE_RESET_R                                       $8      !2, ->14
          8    > > FE_FETCH_R                                               $8, !3, ->14
   22     9    >   INIT_FCALL                                               'current'
         10        SEND_VAR                                                 !2
         11        DO_ICALL                                         $9      
         12        ECHO                                                     $9
   20    13      > JMP                                                      ->8
         14    >   FE_FREE                                                  $8
   25    15      > RETURN                                                   1

Function item2:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 8
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 8
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 8
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 8
filename:       /in/C5odG
function name:  item2
number of ops:  10
compiled vars:  !0 = $list, !1 = $var
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   10     0  E >   RECV                                             !0      
   12     1      > FE_RESET_R                                       $2      !0, ->8
          2    > > FE_FETCH_R                                               $2, !1, ->8
   14     3    >   INIT_FCALL                                               'current'
          4        SEND_VAR                                                 !0
          5        DO_ICALL                                         $3      
          6        ECHO                                                     $3
   12     7      > JMP                                                      ->2
          8    >   FE_FREE                                                  $2
   16     9      > RETURN                                                   null

End of function item2

Generated using Vulcan Logic Dumper, using php 8.0.0


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