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<?php $data = new stdClass; $data->a = 13; $data->b = 42; $var = &get1($data, true); $var = 14; var_dump($data); $var2 = &get2($data, false); $var2 = 43; var_dump($data); function &get1($data, $isA) { if($isA) { return $data->a; } else { return $data->b; } } function &get2($data, $isA) { return $isA ? $data->a : $data->b; }
Finding entry points
Branch analysis from position: 0
1 jumps found. (Code = 62) Position 1 = -2
filename:       /in/2Q9ai
function name:  (null)
number of ops:  26
compiled vars:  !0 = $data, !1 = $var, !2 = $var2
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
    3     0  E >   NEW                                              $3      'stdClass'
          1        DO_FCALL                                      0          
          2        ASSIGN                                                   !0, $3
    4     3        ASSIGN_OBJ                                               !0, 'a'
          4        OP_DATA                                                  13
    5     5        ASSIGN_OBJ                                               !0, 'b'
          6        OP_DATA                                                  42
    7     7        INIT_FCALL_BY_NAME                                       'get1'
          8        SEND_VAR_EX                                              !0
          9        SEND_VAL_EX                                              <true>
         10        DO_FCALL                                      0  $8      
         11        ASSIGN_REF                                               !1, $8
    8    12        ASSIGN                                                   !1, 14
    9    13        INIT_FCALL                                               'var_dump'
         14        SEND_VAR                                                 !0
         15        DO_ICALL                                                 
   11    16        INIT_FCALL_BY_NAME                                       'get2'
         17        SEND_VAR_EX                                              !0
         18        SEND_VAL_EX                                              <false>
         19        DO_FCALL                                      0  $12     
         20        ASSIGN_REF                                               !2, $12
   12    21        ASSIGN                                                   !2, 43
   13    22        INIT_FCALL                                               'var_dump'
         23        SEND_VAR                                                 !0
         24        DO_ICALL                                                 
   25    25      > RETURN                                                   1

Function get1:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
Return found
Branch analysis from position: 6
Return found
filename:       /in/2Q9ai
function name:  get1
number of ops:  9
compiled vars:  !0 = $data, !1 = $isA
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   15     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   16     2      > JMPZ                                                     !1, ->6
   17     3    >   FETCH_OBJ_W                                      $2      !0, 'a'
          4      > RETURN_BY_REF                                            $2
          5*       JMP                                                      ->8
   19     6    >   FETCH_OBJ_W                                      $3      !0, 'b'
          7      > RETURN_BY_REF                                            $3
   21     8*     > RETURN_BY_REF                                            null

End of function get1

Function get2:
Finding entry points
Branch analysis from position: 0
2 jumps found. (Code = 43) Position 1 = 3, Position 2 = 6
Branch analysis from position: 3
1 jumps found. (Code = 42) Position 1 = 8
Branch analysis from position: 8
Return found
Branch analysis from position: 6
Return found
filename:       /in/2Q9ai
function name:  get2
number of ops:  10
compiled vars:  !0 = $data, !1 = $isA
line      #* E I O op                           fetch          ext  return  operands
-------------------------------------------------------------------------------------
   23     0  E >   RECV                                             !0      
          1        RECV                                             !1      
   24     2      > JMPZ                                                     !1, ->6
          3    >   FETCH_OBJ_R                                      ~2      !0, 'a'
          4        QM_ASSIGN                                        ~3      ~2
          5      > JMP                                                      ->8
          6    >   FETCH_OBJ_R                                      ~4      !0, 'b'
          7        QM_ASSIGN                                        ~3      ~4
          8    > > RETURN_BY_REF                                            ~3
   25     9*     > RETURN_BY_REF                                            null

End of function get2

Generated using Vulcan Logic Dumper, using php 8.0.0


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