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<?php $a = [1, 2, 3, 4]; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a); $a = [1, 2, 3, 4]; $b = $a; foreach (1 ? $a : [] as &$x) { $x += 10; } print_r($a);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 2, Position 2 = 4
Branch analysis from position: 2
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
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
2 jumps found. (Code = 43) Position 1 = 16, Position 2 = 18
Branch analysis from position: 16
1 jumps found. (Code = 42) Position 1 = 19
Branch analysis from position: 19
2 jumps found. (Code = 125) Position 1 = 20, Position 2 = 23
Branch analysis from position: 20
2 jumps found. (Code = 126) Position 1 = 21, Position 2 = 23
Branch analysis from position: 21
1 jumps found. (Code = 42) Position 1 = 20
Branch analysis from position: 20
Branch analysis from position: 23
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 23
Branch analysis from position: 18
2 jumps found. (Code = 125) Position 1 = 20, Position 2 = 23
Branch analysis from position: 20
Branch analysis from position: 23
Branch analysis from position: 9
Branch analysis from position: 4
2 jumps found. (Code = 125) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
Branch analysis from position: 9
filename:       /in/jMjc8
function name:  (null)
number of ops:  28
compiled vars:  !0 = $a, !1 = $x, !2 = $b
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    4     1      > JMPZ                                                     1, ->4
          2    >   QM_ASSIGN                                        ~4      !0
          3      > JMP                                                      ->5
          4    >   QM_ASSIGN                                        ~4      <array>
          5    > > FE_RESET_RW                                      $5      ~4, ->9
          6    > > FE_FETCH_RW                                              $5, !1, ->9
    5     7    >   ASSIGN_OP                                     1          !1, 10
    4     8      > JMP                                                      ->6
          9    >   FE_FREE                                                  $5
    7    10        INIT_FCALL                                               'print_r'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
    9    13        ASSIGN                                                   !0, <array>
   10    14        ASSIGN                                                   !2, !0
   11    15      > JMPZ                                                     1, ->18
         16    >   QM_ASSIGN                                        ~10     !0
         17      > JMP                                                      ->19
         18    >   QM_ASSIGN                                        ~10     <array>
         19    > > FE_RESET_RW                                      $11     ~10, ->23
         20    > > FE_FETCH_RW                                              $11, !1, ->23
   12    21    >   ASSIGN_OP                                     1          !1, 10
   11    22      > JMP                                                      ->20
         23    >   FE_FREE                                                  $11
   14    24        INIT_FCALL                                               'print_r'
         25        SEND_VAR                                                 !0
         26        DO_ICALL                                                 
         27      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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172.72 ms | 1396 KiB | 15 Q