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<?php $arr = ['one', 'two', 'three', 'four', 'five']; foreach($arr as $elem) { var_dump(current($arr)); } $refArr = &$arr; foreach($refArr as $elem) { var_dump(current($arr)); }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 2, Position 2 = 10
Branch analysis from position: 2
2 jumps found. (Code = 78) Position 1 = 3, Position 2 = 10
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 10
2 jumps found. (Code = 77) Position 1 = 13, Position 2 = 21
Branch analysis from position: 13
2 jumps found. (Code = 78) Position 1 = 14, Position 2 = 21
Branch analysis from position: 14
1 jumps found. (Code = 42) Position 1 = 13
Branch analysis from position: 13
Branch analysis from position: 21
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 21
Branch analysis from position: 10
filename:       /in/BT7b4
function name:  (null)
number of ops:  23
compiled vars:  !0 = $arr, !1 = $elem, !2 = $refArr
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_R                                       $4      !0, ->10
          2    > > FE_FETCH_R                                               $4, !1, ->10
    6     3    >   INIT_FCALL                                               'var_dump'
          4        INIT_FCALL                                               'current'
          5        SEND_VAR                                                 !0
          6        DO_ICALL                                         $5      
          7        SEND_VAR                                                 $5
          8        DO_ICALL                                                 
    5     9      > JMP                                                      ->2
         10    >   FE_FREE                                                  $4
    9    11        ASSIGN_REF                                               !2, !0
   10    12      > FE_RESET_R                                       $8      !2, ->21
         13    > > FE_FETCH_R                                               $8, !1, ->21
   11    14    >   INIT_FCALL                                               'var_dump'
         15        INIT_FCALL                                               'current'
         16        SEND_VAR                                                 !0
         17        DO_ICALL                                         $9      
         18        SEND_VAR                                                 $9
         19        DO_ICALL                                                 
   10    20      > JMP                                                      ->13
         21    >   FE_FREE                                                  $8
   12    22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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