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<?php $list = [1,2,3,4]; foreach($list as &$it) { // DO NOTHING } // not unset $it foreach($list as $it) { echo "item = $it\n"; }
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 4
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 4
2 jumps found. (Code = 77) Position 1 = 6, Position 2 = 12
Branch analysis from position: 6
2 jumps found. (Code = 78) Position 1 = 7, Position 2 = 12
Branch analysis from position: 7
1 jumps found. (Code = 42) Position 1 = 6
Branch analysis from position: 6
Branch analysis from position: 12
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 12
Branch analysis from position: 4
filename:       /in/FNVNL
function name:  (null)
number of ops:  14
compiled vars:  !0 = $list, !1 = $it
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1      > FE_RESET_RW                                      $3      !0, ->4
          2    > > FE_FETCH_RW                                              $3, !1, ->4
          3    > > JMP                                                      ->2
          4    >   FE_FREE                                                  $3
    9     5      > FE_RESET_R                                       $4      !0, ->12
          6    > > FE_FETCH_R                                               $4, !1, ->12
   10     7    >   ROPE_INIT                                     3  ~6      'item+%3D+'
          8        ROPE_ADD                                      1  ~6      ~6, !1
          9        ROPE_END                                      2  ~5      ~6, '%0A'
         10        ECHO                                                     ~5
    9    11      > JMP                                                      ->6
         12    >   FE_FREE                                                  $4
   11    13      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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140.41 ms | 1393 KiB | 13 Q