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<?php $a = [1,2,3,4,5]; $iter = new ArrayIterator($a); foreach($iter as &$v) { $v = 1; } var_dump($a); var_dump($iter);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
2 jumps found. (Code = 126) Position 1 = 7, Position 2 = 9
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 9
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 9
filename:       /in/kCGGT
function name:  (null)
number of ops:  17
compiled vars:  !0 = $a, !1 = $iter, !2 = $v
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1        NEW                                              $4      'ArrayIterator'
          2        SEND_VAR_EX                                              !0
          3        DO_FCALL                                      0          
          4        ASSIGN                                                   !1, $4
    6     5      > FE_RESET_RW                                      $7      !1, ->9
          6    > > FE_FETCH_RW                                              $7, !2, ->9
    7     7    >   ASSIGN                                                   !2, 1
    6     8      > JMP                                                      ->6
          9    >   FE_FREE                                                  $7
   10    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
   11    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !1
         15        DO_ICALL                                                 
         16      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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