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<?php $a = [ 'a' => ['first' => 1], 'b' => ['first' => 2], 'c' => ['first' => 3], ]; foreach ($a as &$i) { $i['second'] = $i['first']; } unset($i); foreach ($a as $i) {} var_dump($a);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 7
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 7
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 7
2 jumps found. (Code = 77) Position 1 = 10, Position 2 = 12
Branch analysis from position: 10
2 jumps found. (Code = 78) Position 1 = 11, Position 2 = 12
Branch analysis from position: 11
1 jumps found. (Code = 42) Position 1 = 10
Branch analysis from position: 10
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
Branch analysis from position: 7
filename:       /in/5RM10
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a, !1 = $i
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    4     0  E >   ASSIGN                                                   !0, <array>
   10     1      > FE_RESET_RW                                      $3      !0, ->7
          2    > > FE_FETCH_RW                                              $3, !1, ->7
   11     3    >   FETCH_DIM_R                                      ~5      !1, 'first'
          4        ASSIGN_DIM                                               !1, 'second'
          5        OP_DATA                                                  ~5
   10     6      > JMP                                                      ->2
          7    >   FE_FREE                                                  $3
   13     8        UNSET_CV                                                 !1
   14     9      > FE_RESET_R                                       $6      !0, ->12
         10    > > FE_FETCH_R                                               $6, !1, ->12
         11    > > JMP                                                      ->10
         12    >   FE_FREE                                                  $6
   16    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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