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<?php $choices = array( 10 => array('10', '100'), 20 => array('20', '400'), ); var_dump($choices); foreach ($choices as $choice) { $choice[0] += 1; } var_dump($choices); foreach ($choices as &$choice) { $choice[0] += 1; } var_dump($choices);
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 77) Position 1 = 5, Position 2 = 9
Branch analysis from position: 5
2 jumps found. (Code = 78) Position 1 = 6, Position 2 = 9
Branch analysis from position: 6
1 jumps found. (Code = 42) Position 1 = 5
Branch analysis from position: 5
Branch analysis from position: 9
2 jumps found. (Code = 125) Position 1 = 14, Position 2 = 18
Branch analysis from position: 14
2 jumps found. (Code = 126) Position 1 = 15, Position 2 = 18
Branch analysis from position: 15
1 jumps found. (Code = 42) Position 1 = 14
Branch analysis from position: 14
Branch analysis from position: 18
1 jumps found. (Code = 62) Position 1 = -2
Branch analysis from position: 18
Branch analysis from position: 9
filename:       /in/jtV4f
function name:  (null)
number of ops:  23
compiled vars:  !0 = $choices, !1 = $choice
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   ASSIGN                                                   !0, <array>
    8     1        INIT_FCALL                                               'var_dump'
          2        SEND_VAR                                                 !0
          3        DO_ICALL                                                 
   10     4      > FE_RESET_R                                       $4      !0, ->9
          5    > > FE_FETCH_R                                               $4, !1, ->9
   11     6    >   ASSIGN_DIM_OP                +=               1          !1, 0
          7        OP_DATA                                                  1
   10     8      > JMP                                                      ->5
          9    >   FE_FREE                                                  $4
   14    10        INIT_FCALL                                               'var_dump'
         11        SEND_VAR                                                 !0
         12        DO_ICALL                                                 
   16    13      > FE_RESET_RW                                      $7      !0, ->18
         14    > > FE_FETCH_RW                                              $7, !1, ->18
   17    15    >   ASSIGN_DIM_OP                +=               1          !1, 0
         16        OP_DATA                                                  1
   16    17      > JMP                                                      ->14
         18    >   FE_FREE                                                  $7
   20    19        INIT_FCALL                                               'var_dump'
         20        SEND_VAR                                                 !0
         21        DO_ICALL                                                 
         22      > RETURN                                                   1

Generated using Vulcan Logic Dumper, using php 8.0.0


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