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<?php $arr = array("foo", "bar", "baz"); foreach ($arr as &$item) { /* do nothing by reference */ } print_r($arr); foreach ($arr as $item) { /* do nothing by value */ } print_r($arr); // $arr has changed....why?
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 = 9, Position 2 = 11
Branch analysis from position: 9
2 jumps found. (Code = 78) Position 1 = 10, Position 2 = 11
Branch analysis from position: 10
1 jumps found. (Code = 42) Position 1 = 9
Branch analysis from position: 9
Branch analysis from position: 11
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 11
Branch analysis from position: 4
filename:       /in/iH6UI
function name:  (null)
number of ops:  16
compiled vars:  !0 = $arr, !1 = $item
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    6     1      > FE_RESET_RW                                      $3      !0, ->4
          2    > > FE_FETCH_RW                                              $3, !1, ->4
          3    > > JMP                                                      ->2
          4    >   FE_FREE                                                  $3
    7     5        INIT_FCALL                                               'print_r'
          6        SEND_VAR                                                 !0
          7        DO_ICALL                                                 
    9     8      > FE_RESET_R                                       $5      !0, ->11
          9    > > FE_FETCH_R                                               $5, !1, ->11
         10    > > JMP                                                      ->9
         11    >   FE_FREE                                                  $5
   10    12        INIT_FCALL                                               'print_r'
         13        SEND_VAR                                                 !0
         14        DO_ICALL                                                 
         15      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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154.04 ms | 1395 KiB | 15 Q