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<?php $mock = [ 'foo' => null ]; foreach ($mock as &$item) { $item = 'foo'; } unset($item); $mockCopy = $mock; var_dump("after assignment", $mock, $mockCopy); $mockCopy['foo_copy'] = $mock['foo']; var_dump("after foo_copy", $mock, $mockCopy); $mockCopy['foo'] = 'bar'; var_dump("after foo=bar", $mock, $mockCopy); var_dump($mock['foo']);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 125) Position 1 = 2, Position 2 = 5
Branch analysis from position: 2
2 jumps found. (Code = 126) Position 1 = 3, Position 2 = 5
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 2
Branch analysis from position: 2
Branch analysis from position: 5
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 5
filename:       /in/DgJFP
function name:  (null)
number of ops:  33
compiled vars:  !0 = $mock, !1 = $item, !2 = $mockCopy
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    2     0  E >   ASSIGN                                                   !0, <array>
    5     1      > FE_RESET_RW                                      $4      !0, ->5
          2    > > FE_FETCH_RW                                              $4, !1, ->5
    6     3    >   ASSIGN                                                   !1, 'foo'
    5     4      > JMP                                                      ->2
          5    >   FE_FREE                                                  $4
    8     6        UNSET_CV                                                 !1
   10     7        ASSIGN                                                   !2, !0
   11     8        INIT_FCALL                                               'var_dump'
          9        SEND_VAL                                                 'after+assignment'
         10        SEND_VAR                                                 !0
         11        SEND_VAR                                                 !2
         12        DO_ICALL                                                 
   12    13        FETCH_DIM_R                                      ~9      !0, 'foo'
         14        ASSIGN_DIM                                               !2, 'foo_copy'
         15        OP_DATA                                                  ~9
   13    16        INIT_FCALL                                               'var_dump'
         17        SEND_VAL                                                 'after+foo_copy'
         18        SEND_VAR                                                 !0
         19        SEND_VAR                                                 !2
         20        DO_ICALL                                                 
   14    21        ASSIGN_DIM                                               !2, 'foo'
         22        OP_DATA                                                  'bar'
   15    23        INIT_FCALL                                               'var_dump'
         24        SEND_VAL                                                 'after+foo%3Dbar'
         25        SEND_VAR                                                 !0
         26        SEND_VAR                                                 !2
         27        DO_ICALL                                                 
   17    28        INIT_FCALL                                               'var_dump'
         29        FETCH_DIM_R                                      ~13     !0, 'foo'
         30        SEND_VAL                                                 ~13
         31        DO_ICALL                                                 
         32      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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